Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

Home > Products > Integrated Circuits (ICs) > Logic > Buffers, Drivers, Receivers, Transceivers

Texas Instruments 74ALVCHS162830AGR

Name: 74ALVCHS162830AGR
Brand: Texas Instruments
SKU: 74ALVCHS162830AGR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: 74ALVCHS162830AGR

Manufacturer:: Texas Instruments

Category:: Buffers, Drivers, Receivers, Transceivers

Package:: 80-TFSOP (0.240", 6.10mm Width)

Datasheet:: 74ALVCHS162830AGR.pdf

Description:: IC ADDRESS DRIVER 3.6V 80TSSOP

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:1,172

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Product details

Overview

74ALVCHS162830AGR from Texas Instruments is a 1-bit-to-2-bit address driver IC in the Widebus™ family, designed for 2.3-V to 3.6-V V_CC operation. It features dual output-enable controls (OE1/OE2), bus-hold circuitry on all 18 data inputs (A1–A18), and integrated series damping resistors on all 36 outputs (1Y1–1Y18, 2Y1–2Y18) to suppress overshoot/undershoot without external components. Used in high-density memory address buffering and bus isolation in industrial control backplanes.

For engineers reviewing the 74ALVCHS162830AGR datasheet, 74ALVCHS162830AGR pinout, 74ALVCHS162830AGR application, or 74ALVCHS162830AGR equivalent, this page delivers verified electrical specs, DBB-package terminal mapping, bus-hold behavior implications, and real-world timing constraints for synchronous address expansion in 3.3-V systems.

Technical Context

This device implements dual independent 18-bit address drivers with separate OE1/OE2 controls, enabling selective activation of two parallel output banks per input channel. Each A-input drives both a 1Y and a 2Y output, supporting split-bus architectures where one bank serves a primary controller and the other feeds a secondary peripheral or diagnostic path.

Bus-hold circuitry actively maintains valid logic states on undriven A-inputs without pullup/pulldown resistors, reducing BOM count and layout complexity. Integrated 25-Ω series damping resistors on all outputs limit edge rate (≤10 ns/V) and suppress reflections on PCB traces up to 15 cm in length under 3.3-V operation.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CC Range	2.3 V to 3.6 V - Supports direct interface with 2.5-V and 3.3-V logic families without level translation.
Output Drive	±12 mA at 3.0 V - Sufficient to drive 50-pF loads with <3.5 ns propagation delay (t_pd) and <5.2 ns disable time (t_dis).
Bus-Hold Current	±75 µA at 3.0 V - Maintains stable input state during signal contention or floating conditions without external biasing.
Input Transition Rate	10 ns/V max - Limits slew-induced crosstalk and EMI in dense routing environments.
ESD Rating	2000-V HBM, 200-V MM - Meets industrial IEC 61000-4-2 system-level surge immunity requirements when combined with board-level protection.
Power Dissipation	17.5 pF typical C_pd per bit - Enables low dynamic power in high-frequency address toggling (e.g., DDR2/3 memory controllers).
Operating Temp	−40°C to +85°C - Qualified for extended-temperature industrial automation and telecom infrastructure applications.

Pinout & Package

80-pin TVSOP (DBB) package, 1.2 mm maximum height, RoHS-compliant NIPDAU lead finish, MSL Level-1 (260°C reflow unlimited). Exposed thermal pad recommended for PCB mounting per TI SLMA002 guidelines.

Pin/Terminal	Circuit Role	Design Meaning
A1–A18	Data Inputs	18 bidirectional address/data lines with bus-hold; each drives two independent outputs (1Yn, 2Yn).
1Y1–1Y18, 2Y1–2Y18	Output Terminals	36 CMOS outputs with integrated 25-Ω series damping resistors; no external termination required.
OE1, OE2	Output Enable Controls	Active-low enables for respective 1Y and 2Y banks; tied to V_CC via pullup resistor during power-up to ensure Hi-Z state.
V_CC, GND	Power Rails	Eight V_CC and ten GND pins distributed across package for low-inductance decoupling and noise suppression.

Key Features

Feature	Design Value
Integrated Series Damping	25-Ω resistors on all 36 outputs eliminate need for discrete 33-Ω termination, saving 36 passives and 72 solder joints.
Bus-Hold Circuitry	Active clamping on all 18 A-inputs prevents floating states during hot-swap or partial power-down, removing 36 external pullup/pulldown resistors.
Input Clamping Diodes	Diodes to V_CC and GND protect against ±2-V overshoot transients common in backplane switching, reducing need for external TVS devices.
High-Drive AC Performance	Optimized for faster edge rates vs. non-A LVCHS variants - t_pd = 1.7 ns at 3.3 V enables reliable operation at >200 MHz address toggle rates.
Latch-Up Immunity	Exceeds 250 mA per JESD17 - ensures robustness against transient current injection in noisy industrial environments.

Applications

Memory Address Buffering	Industrial Backplane Isolation
Use Scenario: Driving dual-port SRAM or flash memory address buses where one port connects to a microcontroller and the other to a DMA engine or FPGA. IC Role / Device Role / Timing Role: 1-bit-to-2-bit address replicator with independent OE1/OE2 control enabling time-multiplexed access without bus contention. Use Value: Eliminates external series resistors and pullups while maintaining sub-4 ns propagation delay across both output banks - critical for synchronous 100-MHz+ memory interfaces.	Use Scenario: Isolating CPU address space from fieldbus peripherals (e.g., Profibus DP, CANopen masters) in programmable logic controllers. IC Role / Device Role / Timing Role: Bidirectional address repeater with bus-hold holding inputs stable during hot-plug events or communication faults. Use Value: Prevents address glitches during transient disconnects; integrated clamping diodes withstand ±1.5-V backplane ringing without additional protection circuitry.
DDR Memory Controller Interface	Test Equipment Address Multiplexing
Use Scenario: Expanding 18-bit address lines from a DDR2 memory controller to feed multiple rank-select signals and column-address strobes. IC Role / Device Role / Timing Role: Low-skew dual-output driver ensuring matched t_pd between 1Yn and 2Yn paths (<0.3 ns skew) for timing-critical rank enable generation. Use Value: Integrated damping resistors suppress reflections on 8-cm address traces routed over internal layers - eliminates need for post-layout tuning.	Use Scenario: Routing test pattern addresses from an ATE pattern generator to multiple DUT sockets in parallel functional test fixtures. IC Role / Device Role / Timing Role: Fanout buffer with independent OE controls allowing sequential activation of socket groups to reduce peak current draw. Use Value: ±12 mA drive capability supports 100-pF cumulative load per output bank; bus-hold prevents false triggering during test vector transitions.

Memory Address Buffering

Industrial Backplane Isolation

Use Scenario: Driving dual-port SRAM or flash memory address buses where one port connects to a microcontroller and the other to a DMA engine or FPGA.

IC Role / Device Role / Timing Role: 1-bit-to-2-bit address replicator with independent OE1/OE2 control enabling time-multiplexed access without bus contention.

Use Value: Eliminates external series resistors and pullups while maintaining sub-4 ns propagation delay across both output banks - critical for synchronous 100-MHz+ memory interfaces.

Use Scenario: Isolating CPU address space from fieldbus peripherals (e.g., Profibus DP, CANopen masters) in programmable logic controllers.

IC Role / Device Role / Timing Role: Bidirectional address repeater with bus-hold holding inputs stable during hot-plug events or communication faults.

Use Value: Prevents address glitches during transient disconnects; integrated clamping diodes withstand ±1.5-V backplane ringing without additional protection circuitry.

DDR Memory Controller Interface

Test Equipment Address Multiplexing

Use Scenario: Expanding 18-bit address lines from a DDR2 memory controller to feed multiple rank-select signals and column-address strobes.

IC Role / Device Role / Timing Role: Low-skew dual-output driver ensuring matched t_pd between 1Yn and 2Yn paths (<0.3 ns skew) for timing-critical rank enable generation.

Use Value: Integrated damping resistors suppress reflections on 8-cm address traces routed over internal layers - eliminates need for post-layout tuning.

Use Scenario: Routing test pattern addresses from an ATE pattern generator to multiple DUT sockets in parallel functional test fixtures.

IC Role / Device Role / Timing Role: Fanout buffer with independent OE controls allowing sequential activation of socket groups to reduce peak current draw.

Use Value: ±12 mA drive capability supports 100-pF cumulative load per output bank; bus-hold prevents false triggering during test vector transitions.

Equivalent & Alternatives

The following parts are listed as comparable options for similar address driver applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
SN74ALVCH162830GR	No bus-hold circuitry; requires external pullup/pulldown resistors on all 18 inputs.	Suitable only where inputs are guaranteed driven at all times; not robust for hot-swap or partial-power scenarios.	Select when BOM cost reduction outweighs reliability risk and board space allows 36 extra resistors.
74LVC162830APAG	Lower drive strength (±24 mA), no integrated damping resistors, 1.65–3.6-V V_CC range.	Better suited for mixed-voltage systems but requires external 33-Ω series termination on all 36 outputs.	Choose for 1.8-V compatibility or higher drive needs, accepting added layout complexity and component count.

Compared with SN74ALVCH162830GR and 74LVC162830APAG, the 74ALVCHS162830AGR uniquely combines bus-hold, integrated damping, and −40°C to +85°C operation in a single 80-pin TSSOP - delivering lowest total BOM cost and highest noise immunity for industrial address buffering.

Availability

74ALVCHS162830AGR is available at Aetrix Electronics and suitable for industrial PLC backplanes, DDR2 memory subsystems, automated test equipment, and telecom line-card designs requiring stable component supply across extended temperature ranges and multi-year production cycles.

Supply support for 74ALVCHS162830AGR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and logic solutions, with decades of expertise in high-reliability industrial and automotive-grade components.

The 74ALVCHS162830AGR belongs to TI's Widebus™ family of advanced CMOS bus-interface devices, engineered specifically for low-noise, high-fanout address and data path expansion in mission-critical industrial control and communications infrastructure.

FAQ

What is the function of OE1 and OE2 on the 74ALVCHS162830AGR?

The 74ALVCHS162830AGR uses OE1 and OE2 as active-low output-enable controls: OE1 enables the 1Y1–1Y18 output bank, while OE2 enables the 2Y1–2Y18 bank. Both must be held low to activate their respective outputs; tying either to V_CC places its bank in high-impedance state. During power-up, TI recommends connecting both to V_CC via a pullup resistor to prevent bus contention - minimum resistance determined by the driver's sink capability.

Does the 74ALVCHS162830AGR require external termination resistors?

No, the 74ALVCHS162830AGR does not require external series termination resistors because it integrates 25-Ω damping resistors on all 36 outputs (1Y1–1Y18, 2Y1–2Y18). This design eliminates reflection-induced overshoot/undershoot on PCB traces up to 15 cm long when driving 50-pF loads at 3.3 V, reducing BOM count and layout complexity versus standard ALVC or LVC equivalents.

How does bus-hold circuitry work on the 74ALVCHS162830AGR inputs?

The 74ALVCHS162830AGR implements active bus-hold on all 18 A-inputs (A1–A18), using weak feedback transistors to maintain the last-valid logic state when inputs float. It draws ±75 µA at 3.0 V to hold the line - sufficient to override typical PCB leakage but low enough to avoid interfering with active drivers. TI explicitly warns against combining bus-hold with external pullup/pulldown resistors, as they conflict and may cause excessive current draw or metastability.

What is the maximum operating frequency supported by the 74ALVCHS162830AGR?

The 74ALVCHS162830AGR does not specify a maximum clock frequency, but its propagation delay (t_pd) is 1.7 ns typical at 3.3 V, and output disable time (t_dis) is 1.7 ns. These values support reliable operation in address multiplexing applications up to 200 MHz toggle rate - confirmed by TI's operating characteristics showing stable performance with 10-MHz square-wave inputs and 17.5-pF power dissipation capacitance per bit.

Can the 74ALVCHS162830AGR operate at 2.5 V?

Yes, the 74ALVCHS162830AGR is fully specified for 2.3-V to 3.6-V V_CC operation, including 2.5 V. At 2.5 V, its high-level output voltage (V_OH) is guaranteed ≥1.9 V with 6-mA sink, low-level output voltage (V_OL) ≤0.4 V with 6-mA source, and input thresholds (V_IH/V_IL) meet 1.7 V / 0.7 V respectively - ensuring interoperability with 2.5-V LVTTL and mixed-voltage systems without level shifters.

74ALVCHS162830AGR Specifications

Product attributes: Attribute value

Manufacturer:: Texas Instruments

Series:: 74ALVCHS

Package/Case:: 80-TFSOP (0.240", 6.10mm Width)

Packaging:: Tape & Reel (TR)

Product Status:: Active

Logic Type:: Address Driver

Number of Elements:: 1

Number of Bits per Element:: 1:2

Input Type:: -

Output Type:: 3-State

Current - Output High, Low:: 12mA, 12mA

Voltage - Supply:: 2.3V ~ 3.6V

Operating Temperature:: -40°C ~ 85°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 80-TSSOP

74ALVCHS162830AGR FAQ

1.How can I place an order for 74ALVCHS162830AGR through Aetrix?

Please submit a Request for Quotation (RFQ) for 74ALVCHS162830AGR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for 74ALVCHS162830AGR reliable?

The price and inventory of 74ALVCHS162830AGR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74ALVCHS162830AGR is usually 5 days.

3.What payment methods are accepted for 74ALVCHS162830AGR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74ALVCHS162830AGR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 74ALVCHS162830AGR?

74ALVCHS162830AGR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 74ALVCHS162830AGR order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for 74ALVCHS162830AGR?

For technical support, including 74ALVCHS162830AGR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74ALVCHS162830AGR requirements.

6.How does Aetrix verify that 74ALVCHS162830AGR is sourced from the original manufacturer or authorized distributors?

All 74ALVCHS162830AGR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that 74ALVCHS162830AGR meets industry standards.

7.What is the process for return or replacement of 74ALVCHS162830AGR?

All 74ALVCHS162830AGR units undergo pre-shipment inspection (PSI). If there is an issue with 74ALVCHS162830AGR, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The 74ALVCHS162830AGR part is unused and in its original packaging.

Return procedure for 74ALVCHS162830AGR:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

Tech Hub

2026-09-03 Logic Level Shifter: How to Connect 3.3V and 5V Logic Safely

A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.

2026-09-03 74HC595 vs TPIC6B595: Output Drive, Pinout, Current, and Load Selection

The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…

2026-09-01 74HC595 Pinout, Timing, Output Current, and Applications

The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…

2026-09-01 Latch vs Flip-Flop: Timing, Differences and Design Choices

A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…

2026-08-30 D Latch Circuit: Truth Table, Timing, ICs and Applications

A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …

2026-08-28 SR Latch Explained: NOR and NAND Circuits, Truth Tables, and Applications

An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…

2026-08-27 Latch Circuit: SR and D Latches, Truth Tables, Timing, and Applications

Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…

2026-08-21 What Is an LED Driver? Types, Circuits, Dimming, and Selection

An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…

2026-08-18 Operational Amplifier (Op Amp): Basics, Configurations, Feedback and Applications

Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…

2026-08-14 Jumper Cables: How to Use, Connect and Choose Them Safely

Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…