29F080A

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.