4 Megabit (524,288 x 8-Bit) CMOS 5.0 Volt-only Sector Erase Flash Memory AM29F040-120EC

DISTINCTIVE CHARACTERISTICS

■ 5.0 V ± 10% for read and write operations

   — Minimizes system level power requirements

■ Compatible with JEDEC-standards

   — Pinout and software compatible with single-

       power-supply Flash

   — Superior inadvertent write protection

■ Package options

   — 32-pin PLCC

   — 32-pin TSOP

   — 32-pin PDIP

■ Minimum 100,000 write/erase cycles guaranteed

■ High performance

   — 55 ns maximum access time

■ Sector erase architecture

   — Uniform sectors of 64 Kbytes each

   — Any combination of sectors can be erased.

       Also supports full chip erase.

■ Sector protection

   — Hardware method that disables any combination

       of sectors from write or erase operations

■ Embedded Erase Algorithms

   — Automatically preprograms and erases the chip

       or any combination of sectors

■ Embedded Program Algorithms

   — Automatically programs and verifies data at

       specified address

■ Data Polling and Toggle Bit feature for detection

   of program or erase cycle completion

■ Erase suspend/resume

   — Supports reading data from a sector not being

       erased

■ Low power consumption

   — 20 mA typical active read current

   — 30 mA typical program/erase current

■ Enhanced power management for standby     

   mode

   — <1 µA typical standby current

   — Standard access time from standby mode                

Flexible Sector-Erase Architecture

■ Eight 64 Kbyte sectors

■ Individual-sector, multiple-sector, or bulk-erase

   capability

■ Individual or multiple-sector protection is user

   definable