6

Data Sheet

256 Kbit / 512 Kbit / 1 Mbit / 2 Mbit Multi-Purpose Flash

SST27SF256 / SST27SF512 / SST27SF010 / SST27SF020

©2001 Silicon Storage Technology, Inc.

S71152-02-000

5/01

502

TABLE

Symbol

Pin Name

Functions

Address Inputs

To provide memory addresses

Data Input/output

To output data during Read cycles and receive input data during Program cycles

The outputs are in tri-state when OE# or CE# is high.

CE#

Chip Enable

To activate the device when CE# is low

OE#

Output Enable

For SST27SF256/010/020, to gate the data output buffers during Read operation

For SST27SF512, to gate the data output buffers during Read operation and high voltage

pin during Chip-Erase and programming operation

Power Supply for

Program or Erase

For SST27SF256/010/020, high voltage pin during Chip-Erase and programming opera-

tion 12V (±5%)

Power Supply

To provide 5.0V supply (±10%)

Ground

NC

No Connection

Unconnected pins.

T2.3 502