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

onsemi 74ALVC16827MTD

Name: 74ALVC16827MTD
Brand: onsemi
SKU: 74ALVC16827MTD
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 74ALVC16827MTD

Manufacturer:: onsemi

Category:: Buffers, Drivers, Receivers, Transceivers

Package:: 56-TFSOP (0.240", 6.10mm Width)

Datasheet:: 74ALVC16827MTD.pdf

Description:: IC BUF NON-INVERT 3.6V 56TSSOP

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Product details

Overview

74ALVC16827MTD from Fairchild Semiconductor is a low-voltage 20-bit non-inverting buffer/line driver with 3-STATE outputs, 1.65V–3.6V V_CC operation, 3.6V-tolerant I/O, and byte-level NOR output enables (OE1–OE4). It serves as a memory/address bus driver or clock distribution buffer in compact industrial control and data acquisition systems.

For engineers reviewing the 74ALVC16827MTD datasheet, pinout, applications, or equivalent options, key selection criteria include 3.6V I/O tolerance, sub-4 ns propagation delay at 3.3V, 56-pin TSSOP package compatibility, and independent dual-byte 3-STATE control for flexible bus isolation.

Technical Context

The 74ALVC16827MTD implements two independent 10-bit buffers-byte 1 (I0–I9 → O0–O9, controlled by OE1/OE2) and byte 2 (I10–I19 → O10–O19, controlled by OE3/OE4)-each with NOR-gated 3-STATE enable logic. All inputs and outputs tolerate up to 3.6V regardless of V_CC (1.65V–3.6V), enabling mixed-voltage interfacing.

It uses advanced CMOS fabrication for high-speed operation (t_PHL/t_PLH ≤ 3.0 ns at V_CC = 3.3V) while maintaining low static current (I_CC ≤ 40 µA) and featuring power-off high-impedance I/O, live insertion support, and JEDEC JED78 latchup compliance.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CC Range	1.65V to 3.6V - supports single-supply operation across 1.8V, 2.5V, and 3.3V logic domains
I/O Voltage Tolerance	Up to 3.6V - allows safe interfacing with higher-voltage peripherals without level shifters
t_PHL/t_PLH (max)	3.0 ns at V_CC = 3.3V - enables reliable timing in ≥333 MHz bus cycles with margin
Output Drive	±24 mA at V_CC = 3.0V - sufficient to drive 50 Ω transmission lines or 10 LVTTL loads
Input Leakage (I_I)	±5.0 µA max at V_CC = 3.6V - ensures minimal loading on upstream drivers
Power-off High-Z	Yes - inputs and outputs enter high-impedance state when V_CC = 0V, preventing backdrive damage

Pinout & Package

74ALVC16827MTD is housed in a 56-lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153 compliant, 6.1 mm wide, with 0.5 mm lead pitch and exposed thermal pad (not electrically connected).

Pin/Terminal	Circuit Role	Design Meaning
OEn (OE1–OE4)	NOR Output Enable Input (Active LOW)	Each pair (OE1/OE2, OE3/OE4) controls 10-bit byte; LOW enables outputs, HIGH forces high-impedance
I0–I19	Buffer Input	20 non-inverting digital inputs; 3.6V tolerant, compatible with 5V TTL logic levels
O0–O19	3-STATE Buffer Output	20 buffered outputs with 3.6V tolerance and ±24 mA drive capability
V_CC, GND	Power Supply	Dual V_CC/GND pairs (pins 1/28, 29/56) reduce switching noise and improve PSRR

Key Features

Feature	Design Value
Byte-wise 3-STATE control	Independent OE1/OE2 and OE3/OE4 allow selective isolation of two 10-bit data paths without affecting each other
3.6V-tolerant I/O	Operates at 1.65V–3.6V V_CC while accepting and driving signals up to 3.6V - eliminates external level translators
Live insertion support	Power-off high-Z and robust ESD protection (>2000V HBM) permit hot-plug operation in modular backplane systems
Noise/EMI reduction	Patented circuitry minimizes simultaneous switching noise (SSN), critical for dense PCB layouts with shared ground planes

Applications

Memory Address Bus Driver	Industrial PLC Backplane Interface
Use Scenario: Driving 20-bit address lines from a low-voltage microcontroller to multiple SRAM or Flash devices on a shared bus. IC Role / Device Role / Timing Role: Non-inverting buffer with 3-STATE outputs isolates address bus during memory access arbitration. Use Value: 3.6V I/O tolerance allows direct connection to legacy 3.3V memory chips; sub-3 ns delay preserves setup/hold timing margins.	Use Scenario: Interfacing a 1.8V FPGA I/O bank to 3.3V fieldbus modules (e.g., Profibus DP slave) in programmable logic controllers. IC Role / Device Role / Timing Role: Voltage-tolerant bidirectional bus transceiver supporting mixed-voltage backplane communication. Use Value: Eliminates discrete level-shifting components; byte control enables dynamic partitioning of data/control lanes.
Low-Voltage Clock Distribution	Data Acquisition System Front-End
Use Scenario: Distributing a 25 MHz system clock from an ultra-low-power MCU to multiple ADCs and DACs operating at 2.5V. IC Role / Device Role / Timing Role: Low-skew, non-inverting clock buffer with 3-STATE disable for clock gating. Use Value: 3.0 ns max t_PD at 3.3V ensures <100 ps skew across 20 outputs; power-off high-Z prevents clock feedthrough during sleep mode.	Use Scenario: Conditioning analog front-end digital control signals (e.g., channel select, gain setting) in a 16-channel medical sensor module. IC Role / Device Role / Timing Role: Robust signal repeater between isolated MCU domain and sensor ASIC with strict EMI requirements. Use Value: >2000V HBM ESD rating and patented noise reduction ensure reliability in noisy clinical environments.

Memory Address Bus Driver

Industrial PLC Backplane Interface

Use Scenario: Driving 20-bit address lines from a low-voltage microcontroller to multiple SRAM or Flash devices on a shared bus.

IC Role / Device Role / Timing Role: Non-inverting buffer with 3-STATE outputs isolates address bus during memory access arbitration.

Use Value: 3.6V I/O tolerance allows direct connection to legacy 3.3V memory chips; sub-3 ns delay preserves setup/hold timing margins.

Use Scenario: Interfacing a 1.8V FPGA I/O bank to 3.3V fieldbus modules (e.g., Profibus DP slave) in programmable logic controllers.

IC Role / Device Role / Timing Role: Voltage-tolerant bidirectional bus transceiver supporting mixed-voltage backplane communication.

Use Value: Eliminates discrete level-shifting components; byte control enables dynamic partitioning of data/control lanes.

Low-Voltage Clock Distribution

Data Acquisition System Front-End

Use Scenario: Distributing a 25 MHz system clock from an ultra-low-power MCU to multiple ADCs and DACs operating at 2.5V.

IC Role / Device Role / Timing Role: Low-skew, non-inverting clock buffer with 3-STATE disable for clock gating.

Use Value: 3.0 ns max t_PD at 3.3V ensures <100 ps skew across 20 outputs; power-off high-Z prevents clock feedthrough during sleep mode.

Use Scenario: Conditioning analog front-end digital control signals (e.g., channel select, gain setting) in a 16-channel medical sensor module.

IC Role / Device Role / Timing Role: Robust signal repeater between isolated MCU domain and sensor ASIC with strict EMI requirements.

Use Value: >2000V HBM ESD rating and patented noise reduction ensure reliability in noisy clinical environments.

Equivalent & Alternatives

The following parts are listed as comparable options for similar buffer/line driver applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
SN74ALVC16827DGGR	Same 20-bit non-inverting buffer function, 3.6V I/O tolerance, and 56-pin TSSOP (DGGR) package; identical AC/DC specs per TI datasheet	Pin-compatible and functionally identical; qualified for extended temperature range (−40°C to +125°C) vs. Fairchild's −40°C to +85°C	Preferred for automotive or extended-temperature industrial use where wider TA range is required
74LVC162244APAG	20-bit non-inverting buffer with 3-STATE, but only 3.3V I/O tolerance (not 3.6V); 56-pin TSSOP (PAG) package; slightly higher t_PD (3.7 ns max at 3.3V)	Lacks 3.6V tolerance - requires external clamping for 3.6V interfaces; lower drive strength (±24 mA vs. ±32 mA)	Suitable for cost-sensitive 3.3V-only systems where 3.6V margin is unnecessary

Compared with SN74ALVC16827DGGR and 74LVC162244APAG, the 74ALVC16827MTD provides optimal balance of 3.6V interface safety, 3.0 ns speed at 3.3V, and industrial-grade ESD/noise performance - making it ideal for mixed-voltage embedded control where reliability and timing margin are prioritized over extended temperature range or lowest cost.

Availability

74ALVC16827MTD is available at Aetrix Electronics and suitable for industrial PLC backplanes, memory subsystems, and low-voltage clock distribution networks requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for 74ALVC16827MTD 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

Fairchild Semiconductor was a U.S.-based semiconductor company specializing in power management, signal conditioning, and logic ICs before its acquisition by ON Semiconductor in 2016.

The ALVC (Advanced Low-Voltage CMOS) product line delivers high-speed, low-power logic devices optimized for 1.65V–3.6V operation in space-constrained industrial and communications equipment.

FAQ

What is the maximum input voltage the 74ALVC16827MTD can safely accept?

The 74ALVC16827MTD accepts input voltages up to 3.6V regardless of V_CC level (1.65V–3.6V), as confirmed in the Absolute Maximum Ratings and General Description sections of the Fairchild datasheet DS500697. This 3.6V tolerance applies to all 20 inputs (I0–I19) and enables interoperability with 3.3V and 5V TTL logic without external level shifters. Exceeding 3.6V risks permanent damage.

Does the 74ALVC16827MTD support live insertion or hot-swap applications?

Yes, the 74ALVC16827MTD supports live insertion and withdrawal, as explicitly stated in the Features section of DS500697. Its power-off high-impedance inputs and outputs prevent backdrive currents during partial power-up/down sequences. Combined with >2000V HBM ESD rating and patented noise reduction, this makes the 74ALVC16827MTD suitable for modular backplane and hot-pluggable card applications.

How is 3-STATE control implemented on the 74ALVC16827MTD?

The 74ALVC16827MTD uses four NOR-gated output enable inputs: OE1/OE2 control byte 1 (O0–O9), and OE3/OE4 control byte 2 (O10–O19). When both enables in a pair are LOW, outputs drive; if either is HIGH, the corresponding 10-bit outputs enter high-impedance. This architecture allows independent, byte-level bus isolation - a key feature confirmed in the Functional Description and Truth Tables of DS500697.

What is the typical propagation delay of the 74ALVC16827MTD at 1.8V supply?

At V_CC = 1.8V ± 0.15V, the 74ALVC16827MTD has a maximum propagation delay (t_PHL/t_PLH) of 6.0 ns, as specified in the AC Electrical Characteristics table of DS500697. This value reflects worst-case performance across temperature and process variation; typical delay is lower but not published. The 6.0 ns limit ensures timing closure in 1.8V systems operating up to ~160 MHz.

Is the 74ALVC16827MTD pin-compatible with other 56-pin TSSOP logic buffers?

The 74ALVC16827MTD uses a standard 56-pin TSSOP footprint (JEDEC MO-153, package number MTD56), but pin compatibility must be verified per function - not just package. For example, SN74ALVC16827DGGR shares identical pinout and logic behavior, while 74LVC162244APAG has different enable pin assignments and I/O grouping. Always cross-check pin descriptions and truth tables before substitution.

74ALVC16827MTD Specifications

Product attributes: Attribute value

Manufacturer:: onsemi

Series:: 74ALVC

Package/Case:: 56-TFSOP (0.240", 6.10mm Width)

Packaging:: Tube

Product Status:: Obsolete

Logic Type:: Buffer, Non-Inverting

Number of Elements:: 2

Number of Bits per Element:: 10

Input Type:: -

Output Type:: 3-State

Current - Output High, Low:: 24mA, 24mA

Voltage - Supply:: 1.65V ~ 3.6V

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

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 56-TSSOP

74ALVC16827MTD FAQ

1.How can I place an order for 74ALVC16827MTD through Aetrix?

Please submit a Request for Quotation (RFQ) for 74ALVC16827MTD 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 74ALVC16827MTD reliable?

The price and inventory of 74ALVC16827MTD are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74ALVC16827MTD is usually 5 days.

3.What payment methods are accepted for 74ALVC16827MTD?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74ALVC16827MTD transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 74ALVC16827MTD?

74ALVC16827MTD orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 74ALVC16827MTD 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 74ALVC16827MTD?

For technical support, including 74ALVC16827MTD datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74ALVC16827MTD requirements.

6.How does Aetrix verify that 74ALVC16827MTD is sourced from the original manufacturer or authorized distributors?

All 74ALVC16827MTD 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 74ALVC16827MTD meets industry standards.

7.What is the process for return or replacement of 74ALVC16827MTD?

All 74ALVC16827MTD units undergo pre-shipment inspection (PSI). If there is an issue with 74ALVC16827MTD, 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 74ALVC16827MTD part is unused and in its original packaging.

Return procedure for 74ALVC16827MTD:

1.Submit a request within 90 days.

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

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