SST31LF021E(2001) 데이터 시트보기 (PDF) - Silicon Storage Technology

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SST31LF021E
(Rev.:2001)

2 Mbit Flash + 1 Mbit SRAM ComboMemory

Silicon Storage Technology 

2 Mbit Flash + 1 Mbit SRAM ComboMemory

SST31LF021 / SST31LF021E

Data Sheet

ADDRESS A17-0

BES#

BEF#

OE#

WE#

DQ7-0

VIH

HIGH-Z

TRC

TAA

TBE

TOE

TOLZ

TBLZ

TOH

DATA VALID

FIGURE 4: FLASH READ CYCLE TIMING DIAGRAM

TOHZ

TBHZ

DATA VALID

HIGH-Z

392 ILL F18.0

ADDRESS A17-0

WE#

TAS

OE#

BEF#

BES#

5555

TAH

TWP

2AAA

TWPH

5555

TCH

TCS

ADDR

INTERNAL PROGRAM OPERATION STARTS

TBP

TDH

TDS

DQ7-0

AA

SW0

55

SW1

A0

SW2

DATA

BYTE

(ADDR/DATA)

FIGURE 5: FLASH WE# CONTROLLED PROGRAM CYCLE TIMING DIAGRAM

392 ILL F04.0

©2001 Silicon Storage Technology, Inc.

12

S71137-03-000 10/01 392

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