AM29F200A Datasheet | AMD

PRELIMINARY 2 Megabit (256 K x 8-Bit/128 K x 16-Bit) CMOS 5.0 Volt-only, Boot Sector Flash Memory DISTINCTIVE CHARACTERISTICS s 5.0 V ± 10% for read and write operations - Minimizes system level power requirements s High performance - Access times as fast as 55 ns s Low power consumption - 20 m A typical active read current (byte mode) - 28 m A typical active read current for (word mode) - 30 m A typical program/erase current - 1 µA typical standby current s Sector erase architecture - One 16 Kbyte, two 8 Kbyte, one 32 Kbyte, and three 64 Kbyte sectors (byte mode) - One 8 Kword, two 4 Kword, one 16 Kword, and three 32 Kword sectors (word mode) - Supports full chip erase - Sector Protection 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 s Top or bottom boot block configurations available s 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 s Minimum 100,000 write/erase cycles guaranteed s Package options - 44-pin SO - 48-pin TSOP s patible with JEDEC standards - Pinout and software patible with single-power-supply flash - Superior inadvertent write protection s Data# Polling and Toggle Bit - Detects program or erase cycle pletion s Ready/Busy# output (RY/BY#) - Hardware method for detection of program or erase cycle pletion s Erase Suspend/Erase Resume - Supports reading data from a sector not being erased s Hardware RESET# pin - Resets internal state machine to the reading array data Publication# 20637 Rev: B Amendment/+3 Issue Date: March 1998 P R E L I M I N A R Y GENERAL DESCRIPTION The Am29F200A is a 2 Mbit, 5.0 Volt-only Flash memory organized as 262,144 bytes or...