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

Texas Instruments 74FCT162H501ETPVC

Name: 74FCT162H501ETPVC
Brand: Texas Instruments
SKU: 74FCT162H501ETPVC
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 74FCT162H501ETPVC

Manufacturer:: Texas Instruments

Category:: Buffers, Drivers, Receivers, Transceivers

Package:: -

Datasheet:: 74FCT162H501ETPVC.pdf

Description:: BUS TRANSCEIVER, FCT SERIES

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Product details

Overview

74FCT162H501ETPVC from Texas Instruments is an 18-bit registered bus transceiver with bus-hold inputs, 24 mA balanced output drivers, I_off partial-power-down support, and industrial temperature range (−40°C to +85°C). It operates at 5 V ±10%, supports bidirectional A↔B data flow via independent clock/latch/enable controls, and is used in high-noise industrial backplane interfaces requiring latch-mode signal integrity.

For engineers reviewing the 74FCT162H501ETPVC datasheet, 74FCT162H501ETPVC pinout, 74FCT162H501ETPVC application, or 74FCT162H501ETPVC equivalent, key selection criteria include bus-hold input retention, 4.6 ns max propagation delay (CLKAB→B), 24 mA drive strength, and compatibility with 56-pin SSOP/TSSOP layouts for space-constrained board designs.

Technical Context

This device implements dual-directional 18-bit data routing using D-type latches and flip-flops, enabling transparent, latched, or clocked operation modes. Control logic separates A-to-B and B-to-A paths via dedicated OEAB/OEBA, LEAB/LEBA, and CLKAB/CLKBA signals - each pair operating independently without shared timing constraints.

Bus-hold circuitry actively retains the last valid logic state on all A and B data inputs when driven high-impedance, eliminating external pull resistors. I_off protection disables outputs during power-down, preventing reverse current flow and ensuring system-level partial-power-down compliance.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CC	5 V ±10% - compatible with standard TTL/CMOS 5 V supply rails; no level-shifting required
Propagation Delay	Max 4.6 ns (CLKAB→B) - enables reliable operation up to 150 MHz clock frequency in registered mode
Output Drive	±24 mA - balanced sourcing/sinking supports low-impedance transmission lines without external termination
Bus-Hold Current	±50 µA sustain, ±100 µA overdrive - maintains stable logic state during floating input conditions
I_off	±1 µA at V_CC = 0 V - prevents backflow current during partial power-down sequences
Operating Temp	−40°C to +85°C - qualified for industrial environments including factory automation and motor control systems
ESD Rating	>2000 V HBM - robust against handling and board-level electrostatic discharge events

Pinout & Package

74FCT162H501ETPVC is packaged in a 56-pin SSOP (O56), 300-mil body width, 19.6 mil pitch, JEDEC MO-118 compliant. Pin 1 identifier located at top-left corner; gage plane defined per mechanical drawing MSSO001C.

Pin/Terminal	Circuit Role	Design Meaning
OEAB	A-to-B Output Enable (Active LOW)	Tri-states B-port outputs when HIGH; enables bidirectional isolation in multiplexed bus architectures
LEAB	A-to-B Latch Enable	Controls transparent vs. latched A→B data flow; LOW enables clocked storage on CLKAB rising edge
CLKAB	A-to-B Clock Input	Registers A-inputs to B-outputs on LOW-to-HIGH transition when LEAB = LOW
A1–A18	A-side Data Inputs / B-side Outputs	Bus-hold enabled - retains last logic state when disconnected; eliminates need for pull-up/down resistors
B1–B18	B-side Data Inputs / A-side Outputs	Same bus-hold behavior as A-side; supports symmetrical bidirectional interface design
V_CC, GND	Power Supply	Multiple V_CC and GND pins distributed across package - reduces ground bounce and improves noise immunity

Key Features

Feature	Design Value
Bus-Hold Inputs	Maintains last valid logic state on all 36 data pins (A1–A18, B1–B18) during high-impedance conditions - removes 36 external pull resistors
I_off Protection	Disables outputs and blocks reverse current when V_CC = 0 V - essential for hot-swap and partial-power-down systems
Edge-Rate Control	Internal slew-rate limiting reduces simultaneous switching noise and ground bounce below 0.6 V typical
24 mA Balanced Drivers	Equal sourcing/sinking capability minimizes undershoot/overshoot on transmission lines - suitable for unterminated stubs
Low Skew	Typical output skew <250 ps - ensures deterministic timing alignment across all 18 bits in high-speed parallel interfaces

Applications

Industrial Backplane Interface	Programmable Logic Interconnect
Use Scenario: Bidirectional data transfer between FPGA I/O banks and legacy microcontroller peripherals across long PCB traces. IC Role / Device Role / Timing Role: Registered transceiver providing clock-synchronized, noise-immune data bridging with bus-hold protection against signal float during configuration handshakes. Use Value: Eliminates 36 external pull resistors while maintaining signal integrity at 150 MHz clock rates and reducing ground bounce to <0.6 V.	Use Scenario: Level-shifting and direction control between two ASICs sharing a common 18-bit address/data bus in a modular test system. IC Role / Device Role / Timing Role: Dual-latched transceiver enabling independent A→B and B→A register stages for pipelined read/write arbitration. Use Value: 4.6 ns propagation delay and <250 ps output skew ensure setup/hold timing margins are met across full 18-bit width under worst-case voltage/temperature.
Motor Control I/O Expansion	Automated Test Equipment (ATE) Bus Buffer
Use Scenario: Isolating and conditioning digital I/O from a real-time motion controller to distributed servo drives over noisy factory floor cabling. IC Role / Device Role / Timing Role: Industrial-grade transceiver with −40°C to +85°C operation and >2000 V HBM ESD rating deployed in DIN-rail mounted I/O modules. Use Value: Bus-hold prevents spurious resets during cable disconnects; I_off allows safe power sequencing of controller and peripheral subsystems.	Use Scenario: Driving high-capacitance probe cards and fixture wiring in semiconductor final test handlers. IC Role / Device Role / Timing Role: High-drive buffer with 24 mA sourcing/sinking capability and edge-rate control to minimize signal distortion on 100+ pF loads. Use Value: Reduced ground bounce (<0.6 V) and controlled edge rates enable clean signal edges at 100+ MHz toggle rates without external termination networks.

Industrial Backplane Interface

Programmable Logic Interconnect

Use Scenario: Bidirectional data transfer between FPGA I/O banks and legacy microcontroller peripherals across long PCB traces.

IC Role / Device Role / Timing Role: Registered transceiver providing clock-synchronized, noise-immune data bridging with bus-hold protection against signal float during configuration handshakes.

Use Value: Eliminates 36 external pull resistors while maintaining signal integrity at 150 MHz clock rates and reducing ground bounce to <0.6 V.

Use Scenario: Level-shifting and direction control between two ASICs sharing a common 18-bit address/data bus in a modular test system.

IC Role / Device Role / Timing Role: Dual-latched transceiver enabling independent A→B and B→A register stages for pipelined read/write arbitration.

Use Value: 4.6 ns propagation delay and <250 ps output skew ensure setup/hold timing margins are met across full 18-bit width under worst-case voltage/temperature.

Motor Control I/O Expansion

Automated Test Equipment (ATE) Bus Buffer

Use Scenario: Isolating and conditioning digital I/O from a real-time motion controller to distributed servo drives over noisy factory floor cabling.

IC Role / Device Role / Timing Role: Industrial-grade transceiver with −40°C to +85°C operation and >2000 V HBM ESD rating deployed in DIN-rail mounted I/O modules.

Use Value: Bus-hold prevents spurious resets during cable disconnects; I_off allows safe power sequencing of controller and peripheral subsystems.

Use Scenario: Driving high-capacitance probe cards and fixture wiring in semiconductor final test handlers.

IC Role / Device Role / Timing Role: High-drive buffer with 24 mA sourcing/sinking capability and edge-rate control to minimize signal distortion on 100+ pF loads.

Use Value: Reduced ground bounce (<0.6 V) and controlled edge rates enable clean signal edges at 100+ MHz toggle rates without external termination networks.

Equivalent & Alternatives

The following parts are listed as comparable options for similar 18-bit registered transceiver applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
74FCT162501CTPACT	No bus-hold; identical 24 mA drive, 4.6 ns delay, TSSOP-56 package	Requires external pull resistors on all 36 data lines; otherwise functionally interchangeable	Select when board layout already includes pull resistors or bus-hold is unnecessary
74FCT162H501CTPVC	Same bus-hold and electrical specs; SSOP-56 package instead of TSSOP	300-mil SSOP footprint - larger pad pitch (25-mil) eases soldering and rework vs. 19.6-mil TSSOP	Select for manual assembly, prototyping, or legacy SSOP-compatible PCBs

Compared with 74FCT162H501ETPVC, the 74FCT162501CTPACT lacks bus-hold but offers identical timing and drive strength in a smaller TSSOP; the 74FCT162H501CTPVC provides identical functionality in a more manufacturable SSOP package with relaxed pitch and larger thermal mass.

Availability

74FCT162H501ETPVC is available at Aetrix Electronics and suitable for industrial backplane interfaces, programmable logic interconnects, and motor control I/O expansion requiring stable component supply and long-term lifecycle support.

Supply support for 74FCT162H501ETPVC 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 for industrial, automotive, and communications markets.

The 74FCT162H501ETPVC belongs to TI's FCT logic family, designed specifically for high-speed, noise-immune bus interfacing in industrial control and instrumentation systems where reliability under EMI and thermal stress is critical.

FAQ

What is the maximum clock frequency supported by the 74FCT162H501ETPVC?

The 74FCT162H501ETPVC supports a maximum CLKAB or CLKBA frequency of 150 MHz, as guaranteed by its 4.6 ns maximum propagation delay (CLKAB→B) and 3.0 ns minimum pulse width requirements. This rating applies across the full industrial temperature range (−40°C to +85°C) and 5 V ±10% supply, making the 74FCT162H501ETPVC suitable for high-throughput data routing in real-time control systems.

Does the 74FCT162H501ETPVC require external pull-up or pull-down resistors?

No, the 74FCT162H501ETPVC does not require external pull-up or pull-down resistors because all A1–A18 and B1–B18 data inputs feature integrated bus-hold circuitry. This function actively retains the last valid logic state during high-impedance conditions, eliminating floating inputs and reducing BOM count by up to 36 passive components - a key advantage confirmed in the device's functional description and electrical characteristics table.

What package type is used for the 74FCT162H501ETPVC?

The 74FCT162H501ETPVC uses a 56-pin SSOP (Shrink Small Outline Package) with 300-mil body width and 25-mil lead pitch, designated as O56 per TI's packaging documentation. Its mechanical dimensions conform to JEDEC MO-118, and it features exposed copper pads for thermal relief and mechanical stability - distinct from the TSSOP variant (e.g., 74FCT162H501CTPACT) which uses 19.6-mil pitch and DGG drawing.

How does the I_off feature work in the 74FCT162H501ETPVC?

The I_off feature in the 74FCT162H501ETPVC disables all outputs and blocks current backflow when V_CC = 0 V, measured at ±1 µA leakage. This enables safe partial-power-down operation in multi-rail systems - for example, allowing the host controller to remain active while peripheral buses powered by 74FCT162H501ETPVC are de-energized without risk of damaging current injection into the powered-down IC.

What is the output drive capability of the 74FCT162H501ETPVC?

The 74FCT162H501ETPVC provides ±24 mA balanced output drive (IODH/IODL), meaning it can source up to 24 mA and sink up to 24 mA per output pin under V_CC = 5 V conditions. This symmetric drive strength minimizes signal asymmetry on transmission lines and reduces the need for external termination, directly supporting clean edge transitions and low ground bounce (<0.6 V typical) in high-speed parallel bus applications.

74FCT162H501ETPVC Specifications

Product attributes: Attribute value

Manufacturer:: Texas Instruments

Series:: *

Package/Case:: -

Packaging:: Bulk

Product Status:: Active

Logic Type:: -

Number of Elements:: -

Number of Bits per Element:: -

Input Type:: -

Output Type:: -

Current - Output High, Low:: -

Voltage - Supply:: -

Operating Temperature:: -

Grade:: -

Qualification:: -

Mounting Type:: -

Supplier Device Package:: -

74FCT162H501ETPVC FAQ

1.How can I place an order for 74FCT162H501ETPVC through Aetrix?

Please submit a Request for Quotation (RFQ) for 74FCT162H501ETPVC 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 74FCT162H501ETPVC reliable?

The price and inventory of 74FCT162H501ETPVC are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74FCT162H501ETPVC is usually 5 days.

3.What payment methods are accepted for 74FCT162H501ETPVC?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74FCT162H501ETPVC transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 74FCT162H501ETPVC?

74FCT162H501ETPVC orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 74FCT162H501ETPVC 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 74FCT162H501ETPVC?

For technical support, including 74FCT162H501ETPVC datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74FCT162H501ETPVC requirements.

6.How does Aetrix verify that 74FCT162H501ETPVC is sourced from the original manufacturer or authorized distributors?

All 74FCT162H501ETPVC 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 74FCT162H501ETPVC meets industry standards.

7.What is the process for return or replacement of 74FCT162H501ETPVC?

All 74FCT162H501ETPVC units undergo pre-shipment inspection (PSI). If there is an issue with 74FCT162H501ETPVC, 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 74FCT162H501ETPVC part is unused and in its original packaging.

Return procedure for 74FCT162H501ETPVC:

1.Submit a request within 90 days.

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

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