54LS190/BEA

$63.95

Description：DUAL MARKED (M38510/31513BEA)
Series：*
Mfr：Rochester Electronics, LLC
Package：Bulk

SKU:d09f68166d54 Category: Counters, Dividers Brand: Rochester Electronics, LLC

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Product introduction

Product Detailed Parameters

Description：DUAL MARKED (M38510/31513BEA)
Series：*
Mfr：Rochester Electronics, LLC
Package：Bulk
Logic Type：-
Direction：-
Number of Elements：-
Number of Bits per Element：-
Reset：-
Timing：-
Count Rate：-
Trigger Type：-
Operating Temperature：-
Mounting Type：-
Package / Case：-
Supplier Device Package：-
Voltage - Supply：-
Grade：-
Qualification：-

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54LS190/BEA

Overview

The SNJ54LS190BEA is a hermetically sealed, synchronous decade counter manufactured by Rochester Electronics. It operates on TTL logic with positive edge triggering and supports bidirectional counting. The device features a 4-bit architecture within the LS series, housed in a ceramic CDFP-16 package. It is qualified for military standards, ensuring reliability across extreme environmental conditions.

Feature Summary

Hermetically sealed ceramic construction for harsh environments
Synchronous bidirectional decade counting capability
Positive edge-triggered operation

Applications

Military aerospace systems requiring radiation resistance
High-reliability industrial control equipment
Defense communication infrastructure

Procurement Notes

Verify the specific suffix BEA to confirm the hermetic seal and ceramic package type. Ensure compatibility with existing TTL voltage levels and interface requirements. Confirm that the lead-free status aligns with project specifications, as this component may contain lead.

Selection Notes

Select this component when military-grade reliability and hermetic sealing are mandatory. It serves as a robust alternative to standard plastic-packaged counters in applications exposed to moisture or extreme temperatures. Verify pinout compatibility with legacy designs before integration.

Part Context

This part belongs to the SN54LS190 family of synchronous decade counters. It is distributed by Rochester Electronics, which sources components from original manufacturers or authorized recreations. The device maintains the functional characteristics of the original LS series while adhering to strict military quality standards.

Replacement Considerations

Direct replacements include other SNJ54LS190 variants with compatible packaging. Verify that substitute parts maintain the same hermetic sealing and temperature range specifications.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.