M48T35Y-70MH6E

Product Overview

Category

The M48T35Y-70MH6E belongs to the category of non-volatile static random access memory (NVRAM) chips.

Use

This chip is primarily used for storing critical data in electronic devices, ensuring that the information remains intact even when power is lost.

Characteristics

• Non-volatile: The M48T35Y-70MH6E retains stored data without the need for a continuous power supply.
• Static RAM: It utilizes static random access memory technology, providing fast read and write operations.
• High capacity: This chip offers a storage capacity of 32 kilobits (4 kilobytes).
• Low power consumption: The M48T35Y-70MH6E operates efficiently, consuming minimal power during normal operation.
• Reliable performance: It provides reliable data retention and endurance, making it suitable for critical applications.

Package and Quantity

The M48T35Y-70MH6E is available in a compact 28-pin SOIC (Small Outline Integrated Circuit) package. It is typically sold in reels containing multiple units.

Specifications

• Supply voltage: 4.5V to 5.5V
• Access time: 70 nanoseconds
• Operating temperature range: -40°C to +85°C
• Data retention: Minimum 10 years
• Write endurance: 1 million cycles

Pin Configuration

The M48T35Y-70MH6E features a 28-pin configuration with the following pin assignments:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | VCC | Power supply voltage | | 2 | A0 | Address input | | 3 | A1 | Address input | | 4 | A2 | Address input | | 5 | A3 | Address input | | 6 | A4 | Address input | | 7 | A5 | Address input | | 8 | A6 | Address input | | 9 | A7 | Address input | | 10 | CE | Chip enable | | 11 | OE | Output enable | | 12 | WE | Write enable | | 13-20 | D0-D7 | Data input/output | | 21 | VBAT | Battery backup voltage | | 22 | NC | No connection | | 23-28 | NC | No connection |

Functional Features

The M48T35Y-70MH6E offers the following functional features: - Byte-wide random access: Allows individual bytes to be read or written independently. - Automatic power-fail chip deselect: Ensures data integrity during power loss events. - Software-controlled write protection: Protects critical data from accidental modification. - Fast access time: Enables quick retrieval and storage of information.

Advantages and Disadvantages

Advantages: - Non-volatile memory ensures data retention even without power. - High capacity for storing critical information. - Reliable performance and endurance. - Low power consumption.

Disadvantages: - Relatively slower access time compared to volatile RAM. - Limited storage capacity compared to other non-volatile memory options.

Working Principles

The M48T35Y-70MH6E combines the benefits of static random access memory (SRAM) and non-volatile memory. It utilizes a small battery to provide backup power, ensuring that the stored data remains intact during power interruptions. The chip employs a combination of address lines, control signals, and data lines to facilitate read and write operations.

Detailed Application Field Plans

The M48T35Y-70MH6E finds applications in various fields, including: 1. Embedded systems: Used to store critical system parameters and configuration data. 2. Industrial automation: Stores calibration data, event logs, and system settings. 3. Medical devices: Safeguards patient information and vital data during power outages. 4. Automotive electronics: Stores essential vehicle parameters and diagnostic information.

Detailed Alternative Models

1. M48T35-70PC1: Similar to the M48T35Y-70MH6E, but available in a 24-pin DIP (Dual Inline Package) format.
2. DS1230AB-120+: Offers higher storage capacity (256 kilobits) with similar characteristics.
3. FM1808B-SG: Provides faster access time (45 nanoseconds) and larger storage capacity (1 megabit).

In conclusion, the M48T35Y-70MH6E is a non-volatile static RAM chip that offers reliable data retention, low power consumption, and high endurance. It finds applications in various industries and can be used as a dependable solution for storing critical information