Data Sheet

4 Mbit Small-Sector Flash

SST29SF040 / SST29VF040

5

©2004 Silicon Storage Technology, Inc.

S71160-10-000

2/04

TABLE

Symbol

Pin Name

Functions

Address Inputs

sector.

Data Input/output

To output data during Read cycles and receive input data during Write cycles.

Data is internally latched during a Write cycle.

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

To gate the data output buffers.

WE#

Write Enable

To control the Write operations.

Power Supply

To provide power supply voltage:

4.5-5.5V for SST29SF040

2.7-3.6V for SST29VF040

Ground

NC

No Connection

Pin not connected internally

T2.4 1160

TABLE

Mode

CE#

OE#

WE#

DQ

Address

Read

Program

Erase

Sector address,

XXH for Chip-Erase

Standby

XX

High Z

X

Write Inhibit

X

X

XX

X

Product Identification

Software Mode

See Table 4

T3.4 1160