M48Z512AV-85PM1

Product Overview

Category

The M48Z512AV-85PM1 belongs to the category of non-volatile static random-access memory (NVSRAM).

Use

This product is commonly used in applications that require reliable and non-volatile storage of critical data, such as real-time clocks, event recorders, and power-fail protection systems.

Characteristics

• Non-volatile: The M48Z512AV-85PM1 retains its stored data even when power is lost.
• Static RAM: It offers fast read and write access times.
• High density: The device has a capacity of 512 kilobits.
• Low power consumption: It operates at low power levels, making it suitable for battery-powered devices.
• Extended temperature range: The M48Z512AV-85PM1 can operate reliably in a wide temperature range (-40°C to +85°C).

Package

The M48Z512AV-85PM1 is available in a 32-pin DIP (Dual Inline Package) format.

Essence

The essence of the M48Z512AV-85PM1 lies in its ability to combine the benefits of both SRAM and non-volatile memory technologies. It provides fast and reliable data access while ensuring data integrity during power interruptions.

Packaging/Quantity

The M48Z512AV-85PM1 is typically packaged in tubes or trays, with quantities varying based on customer requirements.

Specifications

• Memory Capacity: 512 kilobits (64 kilobytes)
• Organization: 64K x 8 bits
• Supply Voltage: 4.5V to 5.5V
• Access Time: 85 nanoseconds
• Standby Current: 100 microamps (typical)
• Data Retention: 10 years minimum
• Package Type: 32-pin DIP

Detailed Pin Configuration

The M48Z512AV-85PM1 has a total of 32 pins, each serving a specific purpose. The pin configuration is as follows:

1. Chip Enable (CE)
2. Output Enable (OE)
3. Write Enable (WE)
4. Address Inputs (A0-A15)
5. Data Inputs/Outputs (DQ0-DQ7)
6. Power Supply (+5V)
7. Ground (GND)

Note: The remaining pins are not listed here for brevity.

Functional Features

• Battery Backup: The M48Z512AV-85PM1 includes an integrated lithium energy source that ensures data retention during power loss.
• Automatic Switchover: When the device detects a power failure, it automatically switches to battery backup mode, ensuring uninterrupted operation.
• Fast Access Time: With an access time of 85 nanoseconds, the M48Z512AV-85PM1 provides quick read and write operations.
• Non-volatile Storage: The device's non-volatile memory technology guarantees data integrity even in the absence of power.

Advantages and Disadvantages

Advantages

• Reliable Data Retention: The M48Z512AV-85PM1 can retain data for a minimum of 10 years, ensuring long-term reliability.
• Fast Access Speed: Its high-speed access allows for efficient data retrieval and storage.
• Low Power Consumption: The device operates at low power levels, making it suitable for battery-powered applications.
• Easy Integration: The M48Z512AV-85PM1 can be easily integrated into existing systems due to its standard pin configuration.

Disadvantages

• Limited Capacity: With a capacity of 512 kilobits, the M48Z512AV-85PM1 may not be suitable for applications requiring larger memory sizes.
• Higher Cost: Compared to traditional SRAM, NVSRAM devices like the M48Z512AV-85PM1 can be more expensive.

Working Principles

The M48Z512AV-85PM1 combines a static RAM array with a non-volatile element. During normal operation, the device functions as a standard SRAM, providing fast read and write access. However, when power is lost, an integrated lithium energy source takes over, ensuring data retention. This battery backup mechanism allows the M48Z512AV-85PM1 to retain its stored data for extended periods without requiring external power.

Detailed Application Field Plans

The M48Z512AV-85PM1 finds applications in various fields, including:

1. Real-time Clocks: The non-volatile nature of the M48Z512AV-85PM1 makes it ideal for storing timekeeping information in real-time clock systems.
2. Event Recorders: In applications where critical events need to be recorded, the M48Z512AV-85PM1 ensures reliable data storage during power interruptions.
3. Power-fail Protection Systems: The device can be used in power-fail protection