JS28F640P30B85A

Description：IC FLASH 64MBIT PAR 56TSOP
Series：StrataFlash™
Mfr：Micron Technology Inc.
Package：Tray

SKU:6a94eff939a4 Category: Memory IC Brand: Micron Technology Inc.

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Product introduction

JS28F640P30B85A is listed in the Memory IC range at ChipApex. The manufacturer field lists Micron Technology Inc.. Its product description is IC FLASH 64MBIT PAR 56TSOP. Review the specifications below when checking this part for your BOM.

Memory IC specifications for JS28F640P30B85A

Description：IC FLASH 64MBIT PAR 56TSOP
Series：StrataFlash™
Mfr：Micron Technology Inc.
Package：Tray
Memory Type：Non-Volatile
Memory Format：FLASH
Technology：FLASH - NOR
Memory Size：64Mbit
Memory Organization：4M x 16
Memory Interface：Parallel
Clock Frequency：40 MHz
Write Cycle Time - Word, Page：85ns
Voltage - Supply：1.7V ~ 2V
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：56-TFSOP (0.724", 18.40mm Width)
Supplier Device Package：56-TSOP
Access Time：85 ns

Memory IC datasheet and documents for JS28F640P30B85A

JS28F640P30B85A

Memory IC Overview

The JS28F640P30B85A is a 64 Mbit (8M x 8 or 4M x 16) Parallel NOR Flash memory device manufactured by Micron Technology. It utilizes the StrataFlash P30 embedded memory architecture and is housed in a 56-pin TSOP package. The component supports asynchronous read operations with an access time of 75 ns. It operates within a voltage range of 2.7 V to 3.6 V and functions reliably across an industrial temperature range from -40 °C to +85 °C.

Memory IC Feature Summary

Supports parallel interface for direct system bus connection
Features asymmetrically-blocked architecture for flexible data protection
Includes selectable One-Time Programmable (OTP) space within the main array
Provides absolute write protection capabilities

Memory IC Applications

Embedded firmware storage in industrial control systems
Code execution in XIP (Execute-In-Place) applications
Configuration storage for network infrastructure equipment
Boot code storage for consumer electronics devices

Memory IC Procurement Notes

Verify the specific suffix 'B85A' against official Micron documentation to confirm pinout compatibility and block configuration. Ensure the procurement channel provides traceability for RoHS compliance status. Confirm that the 56-pin TSOP package dimensions match the target PCB footprint requirements before finalizing orders.

Memory IC Selection Notes

Select this component when a parallel NOR interface is required for direct code execution without external controllers. Consider the 75 ns access speed for system timing constraints. Evaluate the 64 Mbit density against application memory needs. Verify that the 2.7 V to 3.6 V operating voltage aligns with the target system's power supply rails.

Memory IC Part Context

This part belongs to the Micron StrataFlash P30 family, designed for high-performance embedded applications. It shares architectural similarities with other P30 variants but differs in density and package options. The technology emphasizes reliability and security features suitable for critical embedded systems requiring persistent non-volatile storage.