FEATURES

GENERAL FEATURES

? Single Power Supply Operation

- 4.5 to 5.5 volt for read, erase, and program operations

? 262,144 x 8 / 131,072 x 16 switchable

? Boot Sector Architecture

- T = Top Boot Sector

- B = Bottom Boot Sector

? Sector Structure

- 16K-Byte x 1, 8K-Byte x 2, 32K-Byte x 1, and 64K-Byte x 3

? Sector protection

- Hardware method to disable any combination of sectors from program or erase operations

- Temporary sector unprotected allows code changes in previously locked sectors

? Latch-up protected to 100mA from -1V to Vcc + 1V

? Compatible with JEDEC standard

- Pinout and software compatible to single power supply Flash

PERFORMANCE

? High Performance

- Access time: 70/90ns

- Byte/Word program time: 9us/11us (typical)

- Erase time: 0.7s/sector, 4s/chip (typical)

? Low Power Consumption

- Low active read current: 40mA (maximum) at 5MHz

- Low standby current: 1uA (typical)

? Minimum 100,000 erase/program cycle

? 20 years data retention

SOFTWARE FEATURES

? Erase Suspend/ Erase Resume

- Suspends sector erase operation to read data from or program data to another sector which is not being erased

? Status Reply

- Data# Polling & Toggle bits provide detection of program and erase operation completion

HARDWARE FEATURES

? Ready/Busy# (RY/BY#) Output

- Provides a hardware method of detecting program and erase operation completion

? Hardware Reset (RESET#) Input

- Provides a hardware method to reset the internal state machine to read mode