29F080A Datasheet | Next Electromics

Technical Summary: M29F080A 8 Mbit (1Mb x8) Non-Volatile Flash Memory

Overview

The M29F080A is a high-performance 8 Mbit (1Mb x8) non-volatile flash memory device designed for applications requiring reliable data storage with fast access times. Manufactured using advanced CMOS technology, this component offers a cost-effective solution for embedded systems, firmware storage, and other applications where non-volatility and reprogrammability are essential. The M29F080A operates on a single 5V power supply and features a standard asynchronous memory interface, making it compatible with a wide range of microcontrollers and processors.

This flash memory device is organized as 1,048,576 bytes (1Mb) of 8-bit wide data, providing flexible storage for program code or data. Its architecture allows for both uniform sector erase and full chip erase operations, with each sector protected against inadvertent writes through software command sequences.

Key Features

8 Mbit (1Mb x8) flash memory organization
Single 5V ±10% power supply operation
Fast access time: 70ns maximum
Low power consumption: 30mA active current (typical), 100μA standby current
Flexible sector architecture: 16 uniform 64Kbyte sectors
10,000 minimum erase/program cycles per sector
20-year minimum data retention
Hardware and software data protection
Compatible with JEDEC standards
Industrial temperature range (-40°C to +85°C) available
CMOS technology for high reliability and low power

Applications

The M29F080A is suitable for a wide range of applications including:

Embedded system firmware storage
Industrial control systems
Automotive electronics
Telecommunications equipment
Network devices
Medical instrumentation
Consumer electronics
Set-top boxes
BIOS storage for PCs and servers
Data logging systems

Electrical Characteristics

Absolute Maximum Ratings

Supply Voltage (VCC): -0.5V to +7.0V
Input Voltage (VIN): -0.5V to VCC +0.5V
Output Voltage (VOUT): -0.5V to VCC +0.5V
Storage Temperature: -65°C to +150°C
Operating Temperature: -40°C to +85°C (industrial)

DC Characteristics (TA = -40°C to +85°C, VCC = 5V ±10%)

Supply Current (Read): 30mA maximum
Supply Current (Program/Erase): 50mA maximum
Standby Current: 100μA maximum
Input Leakage Current: ±1μA maximum
Output Leakage Current: ±1μA maximum
Input Low Voltage: 0.8V maximum
Input High Voltage: 2.0V minimum
Output Low Voltage (IOL = 2.1mA): 0.45V maximum
Output High Voltage (IOH = -400μA): 2.4V minimum

AC Characteristics

Address Access Time: 70ns maximum
Chip Enable Access Time: 70ns maximum
Output Enable Access Time: 30ns maximum
Read Cycle Time: 70ns minimum
Write Pulse Width: 50ns minimum
Write Recovery Time: 0ns minimum
Sector Erase Time: 1 second typical
Chip Erase Time: 15 seconds typical
Byte Programming Time: 20μs typical

Functional Description

The M29F080A operates through standard microprocessor memory interfaces. The device features three control pins: Chip Enable (CE#), Output Enable (OE#), and Write Enable (WE#), which control all read and write operations. The memory array is divided into 16 uniform sectors of 64Kbytes each, allowing flexible erase operations at the sector level or full chip erase.

Programming and erasure are performed using an automated algorithm that simplifies software implementation. The device includes a write state machine that controls all program and erase operations, reducing the burden on the host processor. Status polling and toggle bit features allow the system to monitor the completion of program or erase operations.

Package Information

The M29F080A is available in several industry-standard packages:

32-Lead Plastic DIP (PDIP)

Package Dimensions: 15.24mm x 41.91mm
Lead Pitch: 2.54mm
Operating Temperature: -40°C to +85°C

32-Lead Plastic SOIC (SOP)

Package Dimensions: 20.95mm x 7.50mm
Lead Pitch: 1.27mm
Operating Temperature: -40°C to +85°C

32-Lead TSOP (Thin Small Outline Package)

Package Dimensions: 20mm x 8mm
Lead Pitch: 0.8mm
Operating Temperature: -40°C to +85°C

Reliability and Quality

The M29F080A meets stringent quality and reliability standards:

Endurance: Minimum 10,000 program/erase cycles per sector
Data Retention: Minimum 20 years at 85°C
ESD Protection: 2000V minimum on all pins (Human Body Model)
Latch-up Protection: Exceeds 100mA

Ordering Information

The device is available in different speed grades and package options:

M29F080A-70N1: 70ns access time, PDIP package
M29F080A-70N3: 70ns access time, SOP package
M29F080A-70N6: 70ns access time, TSOP package
M29F080A-90N1: 90ns access time, PDIP package
M29F080A-90N3: 90ns access time, SOP package

Conclusion

The M29F080A 8 Mbit flash memory provides a reliable, high-performance non-volatile storage solution for a wide range of applications. With its flexible sector architecture, fast access times, and low power consumption, this device is well-suited for embedded systems requiring firmware storage or configuration data retention. The combination of hardware and software protection features ensures data integrity, while the industrial temperature range version makes the device suitable for demanding environments.