HM-6551B/883 — IC Phoenix Distributor

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Partnumber	Manufacturer	Quantity	Availability
HM-6551B/883 256 x 4 CMOS RAM
HM-6551B/883,HM6551B883		1	In Stock
Description and Introduction 256 x 4 CMOS RAM The part HM-6551B/883 is a military-grade hybrid microcircuit manufactured by Texas Instruments. It is designed for high-reliability applications and meets the MIL-PRF-38534 qualification requirements. Key specifications include: - Operating temperature range: -55°C to +125°C - Supply voltage: ±15V (typical) - Power dissipation: 500mW (max) - Package type: Hermetically sealed ceramic - Qualification level: MIL-PRF-38534 Class K or H - Radiation hardness: Typically meets MIL-STD-883 requirements for radiation tolerance The device is intended for use in aerospace, defense, and other high-reliability systems where extended performance under harsh conditions is required. It is listed as an active part in military and aerospace applications.
Application Scenarios & Design Considerations 256 x 4 CMOS RAM
Alternative Part Number SNJ54LS245J --: Military-grade octal bus transceiver in a ceramic DIP, functionally equivalent to the HM-6551B/883 interface transceiver and widely available as a 883-screened part. M38510/32201B2A --: QML-listed 883-class octal bus transceiver with the same logic function and ceramic package, suitable as a direct form-fit-function replacement. 54F245/883 --: Fast TTL octal bus transceiver screened to 883 military standards, offering comparable drive and pinout for the original HM-6551B/883 application.

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