SNJ54LS91J

$7.74

Description：SERIAL IN SERIAL OUT
Series：*
Mfr：Texas Instruments
Package：Bulk

SKU:1a98c9700464 Category: Shift Registers Brand: Texas Instruments

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Product introduction

Product Detailed Parameters

Description：SERIAL IN SERIAL OUT
Series：*
Mfr：Texas Instruments
Package：Bulk
Logic Type：-
Output Type：-
Number of Elements：-
Number of Bits per Element：-
Function：-
Voltage - Supply：-
Operating Temperature：-
Mounting Type：-
Package / Case：-
Supplier Device Package：-
Grade：-
Qualification：-

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SNJ54LS91J

Overview

The SNJ54LS91J is an 8-bit serial-in serial-out shift register from the Texas Instruments LS series. It features a right-shift counting direction and provides complementary outputs. The device operates within a supply voltage range of 4.5 V to 5.5 V, with a nominal voltage of 5 V. It utilizes a 14-lead ceramic dual in-line package (CDIP) designed for military-grade reliability. The component supports a maximum operating frequency of 10 MHz and functions across an extended temperature range from -55 °C to 125 °C.

Feature Summary

Provides 8-bit serial data shifting capability with right-shift direction control.
Delivers both true and inverted output signals via complementary terminals.
Constructed with hermetically sealed ceramic packaging for environmental durability.

Applications

Military-grade digital signal processing systems
High-reliability telecommunications equipment
Aerospace control logic circuits

Procurement Notes

Verify the specific ordering suffix J indicates the ceramic DIP package variant. Confirm that the component meets all required military specifications for the intended application environment. Ensure compatibility with existing system voltage levels and thermal management requirements before procurement.

Selection Notes

Select this component when high radiation tolerance and wide temperature operation are critical. The ceramic construction offers superior protection against moisture and mechanical stress compared to plastic packages. Consider the complementary output feature if both logic states are required by the downstream circuitry without additional inverters.

Part Context

This part belongs to the SN54/74LS91 family of 8-bit shift registers. The SNJ prefix denotes a military-grade version manufactured by Texas Instruments. It shares functional similarities with other LS series logic devices but is distinguished by its ruggedized packaging and extended operational limits suitable for harsh environments.