SST34HF1622C-70-4C-L1PE View Datasheet(PDF) - Silicon Storage Technology

Part Name

Description

MFG CO.

SST34HF1622C-70-4C-L1PE

16 Mbit Concurrent SuperFlash + 2/4/8 Mbit SRAM ComboMemory

Silicon Storage Technology 

16 Mbit Concurrent SuperFlash + 2/4/8 Mbit SRAM ComboMemory

SST34HF1602C / SST34HF1622C / SST34HF1642C

SST34HF1642D / SST34HF1682D / SST34HF1622S / SST34HF1642S

Advance Information

ADDRESS A19-0

BEF#

OE#

WE#

DQ6

TCE

TOEH

TOE

TBR

VALID DATA

TWO READ CYCLES

WITH SAME OUTPUTS

1256 F11.0

FIGURE 12: FLASH TOGGLE BIT TIMING DIAGRAM FOR WORD MODE

(FOR BYTE MODE A-1 = DON’T CARE)

ADDRESS A19-0

SIX-BYTE CODE FOR CHIP-ERASE

5555 2AAA

5555

5555

2AAA

5555

TSCE

BEF#

OE#

WE#

RY/BY#

DQ15-0

TWP

TBY

XXAA XX55

XX80

XXAA

XX55

XX10

TBR

VALID

1256 F12.0

Note: This device also supports BEF# controlled Chip-Erase operation.

The WE# and BEF# signals are interchangeable as long as minimum timings are meet. (See Table 15.)

X can be VIL or VIH, but no other value.

FIGURE 13: FLASH WE# CONTROLLED CHIP-ERASE TIMING DIAGRAM FOR WORD MODE

(FOR BYTE MODE A-1 = DON’T CARE)

©2004 Silicon Storage Technology, Inc.

24

S71256-00-000

3/04

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