16

EOL Data Sheet

2 Mbit Flash + 1 Mbit SRAM ComboMemory

SST31LF021 / SST31LF021E

©2007 Silicon Storage Technology, Inc.

S71137-06-EOL

05/07

1137 F17.1

ADDRESS A17-0

DQ7-0

WE#

SW0

SW1

SW2

SW3

SW4

SW5

5555

2AAA

2AAA

5555

5555

55

10

55

AA

80

AA

5555

OE#

BEF#

SIX-BYTE CODE FOR BANK-ERASE

TSBE

TWP

Note: The device also supports BEF# controlled Bank-Erase operation. The WE# and BEF# signals are

interchangeable as long as minimum timings are met. (See Table 12)

BES#

1137 F09.5

ADDRESS A14-0

TIDA

DQ7-0

WE#

SW0

SW1

SW2

MFG ID

DEVICE ID

Device ID = 18H for SST31LF021 and 19H for SST31LF021E.

5555

2AAA

5555

0000

0001

OE#

BEF#

THREE-BYTE SEQUENCE FOR

SOFTWARE ID ENTRY

TWP

TWPH

TAA

BF

55

AA

90

BES#