AM29F400AB-90SC Spansion Inc., AM29F400AB-90SC Datasheet - Page 3

• Manufacturer Part Number: AM29F400AB-90SC
• Manufacturer: Spansion Inc.

Specifications of AM29F400AB-90SC

• Cell Type: NOR
• Density: 4Mb
• Access Time (max): 90ns
• Interface Type: Parallel
• Boot Type: Bottom
• Address Bus: 19/18Bit
• Operating Supply Voltage (typ): 5V
• Operating Temp Range: 0C to 70C
• Package Type: SO
• Program/erase Volt (typ): 4.5 to 5.5V
• Sync/async: Asynchronous
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Word Size: 8/16Bit
• Number Of Words: 512K/256K
• Supply Current: 50mA
• Mounting: Surface Mount
• Pin Count: 44
• Lead Free Status / Rohs Status: Not Compliant

Am29F400B Known Good Die
4 Megabit (512 K x 8-Bit/256 K x 16-Bit)
CMOS 5.0 Volt-only, Boot Sector Flash Memory—Die Revision 2
This product has been retired and is not recommended for designs. Please contact your Spansion representative
for alternates. Availability of this document is retained for reference and historical purposes only.
DISTINCTIVE CHARACTERISTICS
■ Single power supply operation
■ Manufactured on 0.32 µm process technology
■ High performance
■ Low power consumption (typical values at
■ Flexible sector architecture
■ Top or bottom boot block configurations
— 5.0 volt-only operation for read, erase, and
— Minimizes system level requirements
— Compatible with 0.5 µm Am29F400 device
— Access time as fast as 70 ns
5 MHz)
— 1 µA standby mode current
— 20 mA read current (byte mode)
— 28 mA read current (word mode)
— 30 mA program/erase current
— One 16 Kbyte, two 8 Kbyte, one 32 Kbyte, and
— One 8 Kword, two 4 Kword, one 16 Kword, and
— Supports full chip erase
— Sector Protection features:
available
program operations
seven 64 Kbyte sectors (byte mode)
seven 32 Kword sectors (word mode)
A hardware method of locking a sector to prevent
any program or erase operations within that
sector
Sectors can be locked via programming
equipment
Temporary Sector Unprotect feature allows code
changes in previously locked sectors
SUPPLEMENT
■ Embedded Algorithms
■ Minimum 1,000,000 write cycle per sector
■ Compatibility with JEDEC standards
■ Data# Polling and toggle bits
■ Ready/Busy# pin (RY/BY#)
■ Erase Suspend/Erase Resume
■ Hardware reset pin (RESET#)
■ 20-year data retention at 125°C
■ Tested to datasheet specifications at
■ Quality and reliability levels equivalent to
— Embedded Erase algorithm automatically
— Embedded Program algorithm automatically
guaranteed
— Pinout and software compatible with single-
— Superior inadvertent write protection
— Provides a software method of detecting program
— Provides a hardware method of detecting
— Suspends an erase operation to read data from,
— Hardware method to reset the device to reading
temperature
— Contact AMD for higher temperature range
standard packaged components
preprograms and erases the entire chip or any
combination of designated sectors
writes and verifies data at specified addresses
power-supply Flash
or erase operation completion
program or erase cycle completion
or program data to, a sector that is not being
erased, then resumes the erase operation
array data
devices
Publication# 21258
Issue Date: March 3, 2009
Rev: E Amendment/7