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

SIX-BYTE CODE FOR BLOCK-ERASE

TBE

ADDRESS A19-0

5555 2AAA

5555

5555

2AAA

BAX

BEF#

OE#

WE#

RY/BY#

TWP

TBY

TBR

DQ15-0

XXAA XX55

XX80

XXAA

XX55

XX50

VALID

1256 F13.0

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

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

BAX = Block Address

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

FIGURE 14: FLASH WE# CONTROLLED BLOCK-ERASE TIMING DIAGRAM FOR WORD MODE

(FOR BYTE MODE A-1 = DON’T CARE)

SIX-BYTE CODE FOR SECTOR-ERASE

TSE

ADDRESS A19-0

5555 2AAA

5555

5555

2AAA

SAX

BEF#

OE#

WE#

RY/BY#

TWP

TBR

TBY

DQ15-0

XXAA XX55

XX80

XXAA

XX55

XX30

VALID

1256 F14.0

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

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

SAX = Sector Address

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

FIGURE 15: FLASH WE# CONTROLLED SECTOR-ERASE TIMING DIAGRAM FOR WORD MODE

(FOR BYTE MODE A-1 = DON’T CARE)

©2004 Silicon Storage Technology, Inc.

25

S71256-00-000

3/04

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