M48Z35Y-70PC1 - STMicroelectronics

Manufacturer Part Number

M48Z35Y-70PC1

Manufacturer

STMicroelectronics

Introduction

The M48Z35Y is a 256Kbit Non-Volatile SRAM, integrated with a quartz crystal and a lithium battery.

Product Features and Performance

Integrated ultra-low power SRAM, real-time clock, crystal, and lithium battery

Automatic battery switch-over and disable function

Latched address and data

Self-contained battery and crystal in CAPHAT® DIP package

READ cycle time of 70ns

WRITE cycle time of 70ns

Product Advantages

Retains data with no power supply

Directly replaces volatile static RAM or EEPROM

Minimizes system power requirements

Over 10 years of data retention in the absence of power

No external battery required

Key Technical Parameters

Memory Type: Non-Volatile SRAM (NVSRAM)

Memory Size: 256Kbit

Memory Organization: 32K x 8

Memory Interface: Parallel

Write Cycle Time Word, Page: 70ns

Access Time: 70ns

Voltage Supply: 4.5V to 5.5V

Operating Temperature Range: 0°C to 70°C

Mounting Type: Through Hole

Package / Case: 28-DIP Module

Quality and Safety Features

High-reliability data storage upon power failure

Automatic power-fail chip deselect and write protection

JEDEC standard 28-pin DIP package

Compatibility

Compatible with 28-pin DIP sockets

Compatible with systems requiring non-volatility and data retention

Application Areas

Industrial control systems

Automotive electronics

Communication systems

Data collection systems

Product Lifecycle

Product Status: Active

Not approaching discontinuation

Availability of replacements or upgrades to be confirmed from the manufacturer

Several Key Reasons to Choose This Product

Non-volatility ensures data preservation without a power supply

Integrated battery and crystal significantly reduce system complexity

Fast read and write speeds compatible with high-speed microprocessors

Direct fit into existing systems with no design changes needed

Ideal for critical data retention applications

Robust operating temperature range suitable for industrial environments

Long-term availability and support from STMicroelectronics