AM29F400B Datasheet | AMD

features : 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 - Top or bottom boot block configurations available - Embedded Algorithms - Embedded Erase algorithm automatically preprograms and erases the entire chip or any bination of designated sectors - Embedded Program algorithm automatically writes and verifies data at specified addresses - Minimum 1,000,000 program/erase cycles per sector guaranteed - 20-year data retention at 125° C - Reliable operation for the life of the system - Package option - 48-pin TSOP - 44-pin SO - Known Good Die (KGD) (see publication number 21258) - patibility with JEDEC standards - Pinout and software patible with singlepower-supply Flash - Superior inadvertent write protection - Data# Polling and toggle bits - Provides a software method of detecting program or erase operation pletion - Ready/Busy# pin (RY/BY#) - Provides a hardware method of detecting program or erase cycle pletion - Erase Suspend/Erase Resume - Suspends an erase operation to read data from, or program data to, a sector that is not being erased, then resumes the erase operation - Hardware reset pin (RESET#) - Hardware method to reset the device to reading array data This Data Sheet states AMD’s current technical specifications regarding the Products described herein. This Data Sheet may be revised by subsequent versions or modifications due to changes in technical specifications. Publication# 21505 Rev: E Amendment: 8 Issue Date: November 11, 2009 DATA SHEET GENERAL DESCRIPTION The Am29F400B is a 4 Mbit, 5.0 volt-only Flash memory organized as 524,288 bytes or 262,144 words. The device is offered in 44-pin SO and 48-pin TSOP packages. The device is also available in Known Good Die (KGD) form. For more information, refer to publication number 21258. The word-wide data (x16) appears...