SNJ54LS74AFK

$11.14

Description：DUAL D-TYPE POSITIVE-EDGE-TRIGGE
Series：54LS
Mfr：Texas Instruments
Package：Tube

SKU:8bf3642fac55 Category: Flip Flops Brand: Texas Instruments

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Product introduction

SNJ54LS74AFK is listed in the Flip Flops range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is DUAL D-TYPE POSITIVE-EDGE-TRIGGE. Review the specifications below when checking this part for your BOM.

Flip Flops specifications for SNJ54LS74AFK

Description：DUAL D-TYPE POSITIVE-EDGE-TRIGGE
Series：54LS
Mfr：Texas Instruments
Package：Tube
Function：Set(Preset) and Reset
Type：D-Type
Output Type：Complementary
Number of Elements：2
Number of Bits per Element：1
Clock Frequency：33 MHz
Max Propagation Delay @ V, Max CL：40ns @ 5V, 15pF
Trigger Type：Positive Edge
Current - Output High, Low：400µA, 4mA
Voltage - Supply：4.5V ~ 5.5V
Current - Quiescent (Iq)：8 mA
Operating Temperature：-55°C ~ 125°C (TA)
Mounting Type：Surface Mount
Supplier Device Package：20-LCCC (8.89x8.89)
Package / Case：20-CLCC
Input Capacitance：-
Grade：-
Qualification：-

Flip Flops datasheet and documents for SNJ54LS74AFK

SNJ54LS74AFK

Flip Flops Overview

The SNJ54LS74AFK is a military-grade dual D-type flip-flop integrated circuit manufactured by Texas Instruments. It operates within the standard LS logic family and features positive-edge triggering with independent set and reset inputs. The device utilizes a 14-pin ceramic flatpack (DFP) package, suitable for high-reliability applications. It supports a supply voltage range of 4.75V to 5.25V and functions across an extended temperature range from -55°C to 125°C.

Flip Flops Feature Summary

Dual D-type flip-flops with complementary outputs
Positive-edge clock triggering mechanism
Independent active-low set and reset controls
Military-grade ceramic flatpack construction

Flip Flops Applications

Military aerospace data storage systems
High-reliability industrial control registers
Avionics signal processing circuits
Defense communication interface latches

Flip Flops Procurement Notes

Verify component authenticity through authorized channels due to military grade specifications. Confirm package integrity as ceramic packages require careful handling. Ensure environmental compliance documentation matches project requirements. Validate lot traceability for defense or aerospace certification processes prior to final procurement decisions.

Flip Flops Selection Notes

Select this component when extended temperature operation and high reliability are critical. The ceramic flatpack offers superior thermal stability compared to plastic variants. Consider availability constraints typical for military-grade parts. Evaluate pin compatibility if replacing older PLCC or DIP versions in existing military hardware designs.

Flip Flops Part Context

This part belongs to the SN54LS74 series, designed for harsh environments. It provides dual edge-triggered storage elements. The AFK suffix indicates a specific military qualification and ceramic packaging variant. It serves as a robust solution for critical timing and data retention tasks where standard commercial grades are insufficient.