SST32HF1681-70-4C-LS View Datasheet(PDF) - Silicon Storage Technology

Part Name

Description

Manufacturer

SST32HF1681-70-4C-LS

Multi-Purpose Flash Plus + SRAM ComboMemory

Silicon Storage Technology 

Preliminary Specifications

Multi-Purpose Flash Plus + SRAM ComboMemory

SST32HF1641 / SST32HF1681 / SST32HF3241 / SST32HF3281

SST32HF1621C / SST32HF1641C / SST32HF3241C

ADDRESS AMS-0

BEF#

OE#

WE#

DQ15-0

VIH

HIGH-Z

TRC

TAA

TCE

TOE

TOLZ

TCLZ

TOH

DATA VALID

Note: AMSF = Most Significant Flash Address

AMSF = A19 for SST32HF16x1x and A20 for SST32HF32x1x

FIGURE 6: FLASH READ CYCLE TIMING DIAGRAM

TOHZ

TCHZ

DATA VALID

HIGH-Z

1236 F06.2

ADDRESS AMS-0

WE#

TAS

OE#

5555

TAH

TWP

2AAA

TWPH

5555

ADDR

TDS

INTERNAL PROGRAM OPERATION STARTS

TBP

TDH

BEF#

TCH

DQ15-0

XXAA

TCS

XX55

XXA0

DATA

SW0

SW1

SW2

WORD

(ADDR/DATA)

1236 F07.2

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 7: FLASH WE# CONTROLLED PROGRAM CYCLE TIMING DIAGRAM

©2005 Silicon Storage Technology, Inc.

18

S71236-04-000

5/05

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