AS7C256A-15TCNTR

$2.13

Description：IC SRAM 256KBIT PAR 28TSOP I
Series：-
Mfr：Alliance Memory, Inc.
Package：Tape & Reel (TR)

SKU:e0e05ab378c1 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：Tape & Reel (TR)
Memory Type：Volatile
Memory Format：SRAM
Technology：SRAM - Asynchronous
Memory Size：256Kbit
Memory Organization：32K x 8
Memory Interface：Parallel
Clock Frequency：-
Write Cycle Time - Word, Page：15ns
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：15 ns
Grade：-
Qualification：-

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AS7C256A-15TCNTR

Overview

The AS7C256A-15TCNTR is a static random-access memory (SRAM) integrated circuit manufactured by Alliance Memory. It provides a storage capacity of 256 kbit, organized as 32k x 8 bits. The device features an asynchronous parallel interface with a maximum access time of 15 ns. It operates within a supply voltage range of 4.5 V to 5.5 V and supports surface-mount installation in a 28-pin TSOP I package. The component is designed for commercial temperature applications, functioning between 0°C and +70°C.

Feature Summary

Asynchronous parallel SRAM architecture for direct data access
Single power supply operation compatible with standard logic levels
Surface-mount TSOP I packaging for compact board integration

Applications

Embedded systems requiring fast local data buffering
Industrial control units needing volatile memory retention
Consumer electronics utilizing standard 5V logic interfaces

Procurement Notes

Verify the specific suffix TCNTR confirms tape and reel packaging rather than tray format when sourcing. Ensure the operating environment remains within the specified commercial temperature limits. Confirm voltage compatibility with the host system's 5V rail before integration. Check moisture sensitivity handling requirements during assembly.

Selection Notes

Select this component when a 256 kbit capacity is required with 15 ns speed in a 28-pin surface-mount form factor. It serves as a suitable alternative for designs needing reliable volatile storage without complex controller overhead. Consider the commercial temperature range suitability for the intended deployment environment.

Part Context

This part belongs to the AS7C256A series of asynchronous SRAMs from Alliance Memory. It shares core electrical specifications with variants like AS7C256A-15TCN but differs in packaging configuration. The series is widely used in general-purpose digital circuits requiring fast, simple memory expansion.