M29F160B 16Mbit Flash Memory Component

Overview

The M29F160B is a high-performance 16Mbit (2Mb x8 or 1Mb x16) Flash memory component designed for applications requiring non-volatile storage with fast read and write operations. Manufactured using advanced CMOS technology, this device offers reliable data retention and low power consumption, making it suitable for embedded systems, automotive electronics, and industrial applications. The M29F160B supports both 8-bit and 16-bit data bus configurations, providing flexibility in system design.

Key Features

• Memory Capacity: 16Mbit (2Mb x8 or 1Mb x16) organization
• Supply Voltage: Single 3.0V to 3.6V operation
• Access Time: 70ns, 90ns, and 120ns speed options
• Low Power Consumption: Active current of 20mA (typical), standby current of 1µA (typical)
• Flexible Sector Architecture: Uniform 32KB sectors for easy memory management
• High Reliability: Minimum 100,000 write/erase cycles per sector
• Data Retention: 20 years minimum at 85°C
• Hardware and Software Protection: Sector lock/unlock and password protection features
• Compatibility: JEDEC standard pinout and command set

Applications

The M29F160B is widely used in various electronic systems requiring non-volatile storage solutions. Key application areas include:

• Embedded Systems: Firmware storage for microcontrollers and DSPs
• Automotive Electronics: Engine control units, infotainment systems, and instrument clusters
• Industrial Control: Program storage for PLCs and automation equipment
• Consumer Electronics: Digital cameras, set-top boxes, and gaming consoles
• Telecommunications: Network equipment and base stations
• Medical Devices: Patient monitoring systems and diagnostic equipment

Electrical Characteristics

Absolute Maximum Ratings

• Supply Voltage (V_CC): -0.5V to +4.0V
• Input Voltage (V_IN): -0.5V to V_CC + 0.5V
• Output Voltage (V_OUT): -0.5V to V_CC + 0.5V
• Operating Temperature Range: -40°C to +85°C
• Storage Temperature Range: -65°C to +150°C

DC Characteristics (T_A = 25°C, V_CC = 3.0V to 3.6V)

• Input High Voltage (V_IH): 2.0V min
• Input Low Voltage (V_IL): 0.8V max
• Output High Voltage (V_OH): 2.4V min @ I_OH = -2.0mA
• Output Low Voltage (V_OL): 0.4V max @ I_OL = 2.0mA
• Supply Current (I_CC): 20mA active (typical), 1µA standby (typical)

AC Characteristics

• Read Cycle Time (t_RC): 70ns, 90ns, or 120ns (depending on speed grade)
• Address to Output Delay (t_ACC): 70ns, 90ns, or 120ns
• Chip Enable to Output Delay (t_CE): 70ns, 90ns, or 120ns
• Output Enable to Output Delay (t_OE): 35ns max
• Write Cycle Time (t_WC): 50ns min

Functional Description

Memory Organization

The M29F160B is organized as either 2,097,152 x8 bits or 1,048,576 x16 bits. The memory array is divided into 64 uniform sectors of 32KB each, allowing flexible erase and programming operations. The device supports both byte and word operations, with the BYTE# pin controlling the data bus width.

Command Interface

The device follows the JEDEC standard command set for Flash memory. Key operations include:

• Read: Standard memory read operation
• Program: Byte or word programming with automatic erase verification
• Sector Erase: Individual 32KB sector erase capability
• Chip Erase: Full device erase operation
• Suspend/Resume: Ability to pause erase/program operations for critical tasks

Protection Features

The M29F160B includes multiple protection mechanisms:

• Hardware Protection: WP# pin for write protection of specified sectors
• Software Protection: Sector lock/unlock commands with optional password protection
• Program/Erase Lockout: Protection during power transitions

Package Information

The M29F160B is available in multiple industry-standard packages:

• TSOP48 (12x20mm): Thin Small Outline Package, 48 pins
• PLCC32 (14x14mm): Plastic Leaded Chip Carrier, 32 pins
• SO44 (16.4x10.3mm): Small Outline Package, 44 pins

Pin Configuration (TSOP48)

• A0-A20: Address inputs
• DQ0-DQ15: Data inputs/outputs
• CE#: Chip enable
• OE#: Output enable
• WE#: Write enable
• BYTE#: Byte/word selection
• WP#: Write protect
• RY/BY#: Ready/busy output
• VCC: Power supply (3.0V to 3.6V)
• VSS: Ground

Quality and Reliability

The M29F160B meets stringent quality and reliability standards:

• 100% tested for program/erase endurance
• Industrial temperature range qualification
• ESD protection > 2000V (Human Body Model)
• Latch-up immunity > 100mA

Ordering Information

The device is available in different speed grades and packages:

• M29F160BT70