SNJ55454BFK

$11.12

Description：NOR GATE BASED PERIPHERAL DRIVER
Series：*
Mfr：Texas Instruments
Package：Bulk

SKU:1f2053010773 Category: Power Distribution Switches, Load Drivers Brand: Texas Instruments

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Product introduction

Product Detailed Parameters

Description：NOR GATE BASED PERIPHERAL DRIVER
Series：*
Mfr：Texas Instruments
Package：Bulk
Switch Type：-
Number of Outputs：-
Ratio - Input:Output：-
Output Configuration：-
Output Type：-
Interface：-
Voltage - Load：-
Voltage - Supply (Vcc/Vdd)：-
Current - Output (Max)：-
Rds On (Typ)：-
Input Type：-
Features：-
Fault Protection：-
Operating Temperature：-
Mounting Type：-
Supplier Device Package：-
Package / Case：-
Grade：-
Qualification：-

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SNJ55454BFK

Overview

The SNJ55454BFK is a dual very-high speed, high-current peripheral driver manufactured by Texas Instruments. It belongs to the SN54 family of military-grade components, designed for demanding environments with an operating temperature range of -55°C to 125°C. The device features two independent drivers capable of sourcing and sinking significant current to drive peripheral loads directly. It utilizes a 20-pin LCC (Leadless Chip Carrier) package, providing a compact form factor suitable for space-constrained applications requiring robust signal integrity and high-speed switching capabilities.

Feature Summary

Dual independent high-current peripheral drivers
Military-grade reliability with extended temperature range
Very-high speed switching performance
Compact leadless chip carrier packaging

Applications

High-speed peripheral interface circuits
Military aerospace electronic systems
Industrial control system drivers
High-reliability communication equipment

Procurement Notes

Verify the specific suffix BF indicates the ceramic LCC package variant when sourcing. Confirm military grade qualification requirements align with project specifications. Ensure ESD protection measures are implemented during handling due to the sensitive nature of CMOS logic inputs in high-speed drivers. Cross-reference pinouts with official datasheets before PCB layout finalization.

Selection Notes

Select this component when dual high-current driving capability is required alongside military-grade environmental tolerance. Consider the LCC package constraints regarding thermal dissipation and soldering techniques compared to DIP alternatives. Evaluate if the very-high speed characteristics match the system clock requirements without necessitating faster, more expensive logic families.

Part Context

This part is part of the SN54 series, which denotes military-grade quality and wider temperature ranges compared to commercial SN74 equivalents. The 5445B designation specifically refers to dual peripheral drivers within the TTL/LS compatible logic family lineage, adapted for high-speed and high-current applications in ruggedized electronics.