Data Sheet

2 Mbit / 4 Mbit Small-Sector Flash

SST29SF020 / SST29SF040

SST29VF020 / SST29VF040

13

©2005 Silicon Storage Technology, Inc.

S71160-13-000

10/06

FIGURE 9: WE# Controlled Sector-Erase Timing Diagram

1160 F07.1

ADDRESS AMS-0

DQ6

WE#

OE#

CE#

TOE

TOEH

TCE

TOES

TWO READ CYCLES

WITH SAME OUTPUTS

1160 F08.1

ADDRESS AMS-0

DQ7-0

WE#

SW0

SW1

SW2

SW3

SW4

SW5

555

2AA

2AA

555

555

55

20

55

AA

80

AA

SAX

OE#

CE#

SIX-BYTE CODE FOR SECTOR-ERASE

TSE

TWP

Note: This device also supports CE# controlled Sector-Erase operation The WE# and CE# signals are interchangeable as

long as minimum timings are met. (See Table 11)