SST32HF1681-70-4C-LS 查看數據表（PDF） - Silicon Storage Technology

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SST32HF1681-70-4C-LS

Multi-Purpose Flash Plus + SRAM ComboMemory

Silicon Storage Technology 

Multi-Purpose Flash Plus + SRAM ComboMemory

SST32HF1641 / SST32HF1681 / SST32HF3241 / SST32HF3281

SST32HF1621C / SST32HF1641C / SST32HF3241C

Preliminary Specifications

ADDRESS AMS-0

BEF#

TAS

OE#

5555

TAH

TCP

2AAA

TCPH

5555

ADDR

TDS

INTERNAL PROGRAM OPERATION STARTS

TBP

TDH

WE#

TCH

DQ15-0

XXAA

TCS

XX55

XXA0

DATA

SW0

SW1

SW2

WORD

(ADDR/DATA)

1236 F08.2

Note: AMSF = Most Significant Flash Address

AMSF = A19 for SST32HF16x1x and A20 for SST32HF32x1x

WP# must be held in proper logic state (VIL or VIH) 1 µs prior to and 1 µs after the command sequence

X can be VIL or VIH, but no other value

FIGURE 8: BEF# CONTROLLED FLASH PROGRAM CYCLE TIMING DIAGRAM

ADDRESSES AMSF-0

BEF#

OE#

WE#

DQ7

TOEH

TCE

TOE

Data

Data#

Data#

Note: AMSF = Most Significant Flash Address

AMSF = A19 for SST32HF16x1x and A20 for SST32HF32x1x

FIGURE 9: FLASH DATA# POLLING TIMING DIAGRAM

©2005 Silicon Storage Technology, Inc.

19

TOES

Data

1236 F09.1

S71236-04-000

5/05

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