My Inquiry
My Account
Nexperia USA Inc. 74LVCH16244ADGG:11
- Part No.:
- 74LVCH16244ADGG:11
- Manufacturer:
- Nexperia USA Inc.
- Package:
- 48-TFSOP (0.240", 6.10mm Width)
- Datasheet:
-
74LVCH16244ADGG:11.pdf
- Description:
- IC BUFF DVR TRI-ST 16BIT 48TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:26,598
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
74LVCH16244ADGG:11 from Nexperia is a 16-bit CMOS buffer/line driver with 3-state outputs, four independent output-enable inputs (1OE–4OE), 5 V tolerant I/O, bus hold on all data inputs, and IOFF partial power-down protection. It operates from 1.2 V to 3.6 V supply and supports mixed-voltage interfacing between 3.3 V and 5 V systems in industrial control backplanes.
For engineers reviewing the 74LVCH16244ADGG:11 datasheet, 74LVCH16244ADGG:11 pinout, 74LVCH16244ADGG:11 application, or 74LVCH16244ADGG:11 equivalent, this device is selected for high-density bidirectional bus buffering where input voltage translation, bus stability without external pull-ups, and safe power sequencing are required.
Technical Context
This device implements four independent 4-bit non-inverting buffers, each controlled by its own active-low output enable (1OE–4OE). Each buffer section features Schmitt-trigger inputs for noise immunity and tolerance of slow edge rates.
The IOFF circuit ensures outputs enter high-impedance state when VCC = 0 V, blocking backflow current during partial power-down. Bus hold circuitry maintains valid logic states on unused data inputs without external resistors-exclusive to the LVCH variant.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 1.2 V to 3.6 V - Enables operation across low-voltage microcontrollers and legacy 3.3 V logic rails. |
| I/O Voltage Tolerance | 0 V to 5.5 V - Allows direct connection to 5 V TTL/CMOS signals without level shifters. |
| Propagation Delay | 1.1 ns (min) to 5.5 ns (max) at VCC = 3.3 V - Supports high-speed data routing in timing-critical bus interfaces. |
| Bus Hold Current | ±60 μA to ±75 μA - Actively sustains logic state on floating inputs, eliminating need for external pull-up/pull-down resistors. |
| IOFF Leakage | ±10 μA max at VCC = 0 V - Prevents damaging back-current during hot-swap or staggered power sequencing. |
| Operating Temperature | −40 °C to +125 °C - Qualified for extended industrial and under-hood automotive auxiliary applications. |
| ESD Protection | HBM > 2000 V, CDM > 1000 V - Robust handling in automated assembly and field-replaceable module environments. |
Pinout & Package
TSSOP48 package (SOT362-1): 48-pin plastic thin shrink small outline, 6.1 mm body width, 0.5 mm lead pitch, 1.2 mm max height. Designed for high-density PCB layouts with low inductance via multiple GND/VCC pins.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 24, 25, 48 | 1OE, 2OE, 3OE, 4OE | Active-low enables - Independently disable 4-bit output groups to manage bus contention and reduce dynamic power. |
| 2–3, 5–6, 8–9, 11–12, 13–14, 16–17, 19–20, 22–23 | 1Y0–1Y3, 2Y0–2Y3, 3Y0–3Y3, 4Y0–4Y3 | 3-state buffered outputs - Drive loads up to 24 mA while maintaining signal integrity across stubbed buses. |
| 4, 10, 15, 21, 28, 34, 39, 45 | GND | Eight ground terminals - Minimize ground bounce and improve noise immunity in high-speed switching. |
| 7, 18, 31, 42 | VCC | Four supply pins - Reduce IR drop and decoupling impedance across wide operating frequency range. |
| 47–46–44–43, 41–40–38–37, 36–35–33–32, 30–29–27–26 | 1A0–1A3, 2A0–2A3, 3A0–3A3, 4A0–4A3 | Data inputs with bus hold - Maintain defined logic levels on unconnected or unterminated lines without external components. |
Key Features
| Feature | Design Value |
|---|---|
| 5 V tolerant I/O | Enables seamless interface between 1.2 V/1.8 V/2.5 V/3.3 V logic domains and legacy 5 V peripherals without external translators. |
| IOFF partial power-down | Guarantees high-impedance outputs even when VCC is 0 V, enabling safe hot-plug operation in modular backplane systems. |
| Integrated bus hold | Eliminates external pull-up resistors on all 16 data inputs, reducing BOM count, board space, and risk of floating node oscillation. |
| Schmitt-trigger inputs | Accepts slow-rising/falling signals (down to 20 ns/V transition rate) without false triggering-ideal for noisy industrial sensor interfaces. |
| Low-noise pin architecture | Multiple VCC/GND pairs and optimized leadframe design suppress simultaneous switching noise (SSN) in high-density memory or FPGA I/O expansion. |
Applications
| Industrial PLC Backplane | FPGA I/O Expansion |
|---|---|
Use Scenario: Bidirectional data routing between CPU module and distributed I/O cards in modular programmable logic controllers. IC Role / Device Role / Timing Role: 16-bit non-inverting buffer with per-group 3-state control isolates bus segments and prevents contention during hot-swap insertion. Use Value: Bus hold eliminates need for 16 external pull-ups per slot; 5 V tolerance allows direct connection to legacy 24 V digital input modules via level-shifting interface ICs. |
Use Scenario: Extending limited native I/O count of Xilinx Artix-7 or Intel Cyclone V FPGA to drive external SRAM, ADCs, and display controllers. IC Role / Device Role / Timing Role: High-speed, low-skew buffer stage translating FPGA core voltage (1.2 V/1.8 V) to 3.3 V peripheral logic while managing bus arbitration. Use Value: Propagation delay ≤5.5 ns at 3.3 V meets setup/hold timing for 100 MHz parallel interfaces; IOFF protects FPGA I/O banks during partial reconfiguration. |
| Automotive Body Control Module | Test Equipment Signal Conditioning |
Use Scenario: Interfacing microcontroller GPIOs to LIN transceivers, LED drivers, and relay drivers in under-dash BCM assemblies. IC Role / Device Role / Timing Role: Level-translating buffer with robust ESD protection and −40 °C to +125 °C operation for engine bay-adjacent zones. Use Value: HBM > 2000 V withstands assembly ESD events; bus hold prevents undefined states during microcontroller reset sequences or firmware updates. |
Use Scenario: Signal conditioning and fan-out for pattern generators, logic analyzers, and boundary-scan test adapters requiring clean, isolated stimulus signals. IC Role / Device Role / Timing Role: Low-jitter, low-capacitance buffer driving multiple DUT inputs simultaneously while maintaining signal fidelity. Use Value: Input capacitance ≤5 pF minimizes loading on source signals; 3-state outputs allow multiplexed stimulus routing without signal contention. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit 3-state buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 74LVC16244ADGG | No bus hold; identical pinout, supply range, and 5 V tolerance. | Requires external pull-up resistors on unused inputs; less suitable for high-reliability unattended systems. | Select when cost sensitivity outweighs bus stability requirements and board space permits discrete pull-ups. |
| SN74ALVCH16244DGGR | Texas Instruments part; same function, 1.65 V–3.6 V VCC range, but no IOFF support and lower ESD rating (HBM > 1500 V). | Lacks power-down safety for hot-swap; not rated for full −40 °C to +125 °C industrial range. | Prefer only in commercial-grade applications with stable power sequencing and ambient temperature < 85 °C. |
Compared with 74LVC16244ADGG and SN74ALVCH16244DGGR, the 74LVCH16244ADGG:11 uniquely combines bus hold, IOFF, and full industrial temperature range-making it the sole choice for fault-tolerant, maintenance-free bus architectures.
Availability
74LVCH16244ADGG:11 is available at Aetrix Electronics and suitable for industrial PLC backplanes, FPGA I/O expansion, automotive body control modules, and test equipment signal conditioning requiring stable component supply across extended temperature and mixed-voltage environments.
Supply support for 74LVCH16244ADGG:11 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
Nexperia is a global semiconductor expert delivering high-performance logic, analog, and MOSFET solutions with focus on efficiency, reliability, and miniaturization for industrial, automotive, and computing markets.
This device belongs to Nexperia's 74LVCH advanced low-voltage CMOS logic family, engineered specifically for robust mixed-voltage system interfacing with integrated bus hold and power-down safety in space-constrained industrial designs.
FAQ
Does 74LVCH16244ADGG:11 support hot-swap insertion?
Yes. Its IOFF circuitry forces all outputs into high-impedance state when VCC = 0 V, preventing back-current flow during live insertion or removal from powered backplanes. This is validated per JEDEC JESD78 and confirmed in Section 1 of the datasheet.
Can bus hold be disabled on unused inputs?
No. Bus hold is permanently enabled on all 16 data inputs (1A0–4A3) and cannot be disabled via control pins or configuration. It activates automatically when input voltage falls within the sustaining range (e.g., VI < 0.8 V at VCC = 3.0 V), as specified in Table 6.
What is the maximum capacitive load this buffer can drive reliably?
The device is characterized up to 50 pF load capacitance (Table 9), with propagation delay degradation ≤5.5 ns at VCC = 3.3 V. Driving >50 pF may increase delay and skew; for heavier loads, use series termination or consider dual-driver configurations.
How does the Schmitt-trigger input improve noise immunity?
Schmitt-trigger action provides hysteresis (typ. 0.3 V at VCC = 3.3 V), rejecting noise spikes < 300 mV and tolerating slow input edges down to 20 ns/V rise/fall rate-critical for long traces in motor-drive or sensor harness environments.
74LVCH16244ADGG:11 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- 74LVCH
- Package/Case:
- 48-TFSOP (0.240", 6.10mm Width)
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Logic Type:
- Buffer, Non-Inverting
- Number of Elements:
- 4
- Number of Bits per Element:
- 4
- Input Type:
- -
- Output Type:
- -
- Current - Output High, Low:
- 24mA, 24mA
- Voltage - Supply:
- 1.2V ~ 3.6V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 48-TSSOP
74LVCH16244ADGG:11 FAQ
1.How can I place an order for 74LVCH16244ADGG:11 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74LVCH16244ADGG:11 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 74LVCH16244ADGG:11 reliable?
The price and inventory of 74LVCH16244ADGG:11 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74LVCH16244ADGG:11 is usually 5 days.
3.What payment methods are accepted for 74LVCH16244ADGG:11?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74LVCH16244ADGG:11 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74LVCH16244ADGG:11?
74LVCH16244ADGG:11 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74LVCH16244ADGG:11 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 74LVCH16244ADGG:11?
For technical support, including 74LVCH16244ADGG:11 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74LVCH16244ADGG:11 requirements.
6.How does Aetrix verify that 74LVCH16244ADGG:11 is sourced from the original manufacturer or authorized distributors?
All 74LVCH16244ADGG:11 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 74LVCH16244ADGG:11 meets industry standards.
7.What is the process for return or replacement of 74LVCH16244ADGG:11?
All 74LVCH16244ADGG:11 units undergo pre-shipment inspection (PSI). If there is an issue with 74LVCH16244ADGG:11, 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 74LVCH16244ADGG:11 part is unused and in its original packaging.
Return procedure for 74LVCH16244ADGG:11:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
74LVCH16244ADGG:11 Tags
-
SN74LVC1G17DBVR
Texas Instruments
-
SN74LVC1G07DCKR
Texas Instruments
-
SN74LVC1G17DCKR
Texas Instruments
-
SN74LVC1G07DBVR
Texas Instruments
-
SN74LVC1G125DCKR
Texas Instruments
-
SN74AHCT1G126DBVR
Texas Instruments
-
SN74LVC1G125DBVR
Texas Instruments
-
SN74AHCT1G125DBVR
Texas Instruments
-
SN74LVC2G17DBVR
Texas Instruments
-
SN74LVC2G07DCKR
Texas Instruments
-
SN74LVC1G34DCKR
Texas Instruments
-
SN74LVC2G17DCKR
Texas Instruments
Tech Hub
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.
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…
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…
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…
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 …
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…
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…
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…
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…
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…
