AS7C256A-12TCN

$2.35

Description：IC SRAM 256KBIT PAR 28TSOP I
Series：-
Mfr：Alliance Memory, Inc.
Package：Tray

SKU:6e884f736365 Category: Memory IC Brand: Alliance Memory, Inc.

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Product introduction

Product Detailed Parameters

Description：IC SRAM 256KBIT PAR 28TSOP I
Series：-
Mfr：Alliance Memory, Inc.
Package：Tray
Memory Type：Volatile
Memory Format：SRAM
Technology：SRAM - Asynchronous
Memory Size：256Kbit
Memory Organization：32K x 8
Memory Interface：Parallel
Write Cycle Time - Word, Page：12ns
Voltage - Supply：4.5V ~ 5.5V
Operating Temperature：0°C ~ 70°C (TA)
Mounting Type：Surface Mount
Package / Case：28-TSSOP (0.465", 11.80mm Width)
Supplier Device Package：28-TSOP I
Access Time：12 ns

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AS7C256A-12TCN

Overview

The AS7C256A-12TCN is a 256 Kbit (32K x 8) asynchronous static random-access memory manufactured by Alliance Memory. It operates within a supply voltage range of 4.5 V to 5.5 V and features a maximum access time of 12 ns. The device utilizes a parallel interface and is housed in a 28-pin TSOP I surface-mount package. It supports an industrial operating temperature range from -40°C to +85°C.

Feature Summary

Asynchronous SRAM architecture with parallel data interface
Industrial-grade thermal stability for extended environments
Surface-mount TSOP I packaging for compact integration

Applications

Industrial control systems requiring reliable volatile storage
Embedded applications operating under wide temperature variations
Data buffering in consumer electronics hardware

Procurement Notes

Verify the specific suffix TCN against official datasheets to confirm the commercial temperature grade variant, as suffixes often dictate environmental ratings. Ensure compatibility with 4.5V to 5.5V logic levels. Confirm moisture sensitivity handling requirements prior to assembly. Cross-reference pinouts with design schematics to prevent interface mismatches during procurement.

Selection Notes

Select this component when a 32K x 8 organization is required with 12 ns speed performance. It is suitable for designs needing 5V operation rather than 3.3V alternatives. Consider the TSOP I form factor for board space constraints. Verify that the industrial temperature rating aligns with the target application's environmental specifications compared to commercial variants.

Part Context

This part belongs to the AS7C256A series of asynchronous SRAMs. It shares the same memory capacity and organization as other variants but differs in speed grade and temperature rating. The TSOP I package distinguishes it from wider TSOP II options found in higher-density family members.