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SST34HF1621 Datasheet(PDF) 21 Page - Silicon Storage Technology, Inc

Part # SST34HF1621
Description  16 Mbit Concurrent SuperFlash 2 / 4 Mbit SRAM ComboMemory
PDF  32 Pages
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Manufacturer  SST [Silicon Storage Technology, Inc]
Direct Link  http://www.sst.com/
Logo SST - Silicon Storage Technology, Inc

SST34HF1621 Datasheet(HTML) 21 Page - Silicon Storage Technology, Inc

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Data Sheet
16 Mbit Concurrent SuperFlash + 2 / 4 Mbit SRAM ComboMemory
SST34HF1621 / SST34HF1641
21
©2001 Silicon Storage Technology, Inc.
S71172-05-000
10/01 523
FIGURE 12: FLASH WE# CONTROLLED BLOCK-ERASE TIMING DIAGRAM
FIGURE 13: FLASH WE# CONTROLLED SECTOR-ERASE TIMING DIAGRAM
523 ILL F10.4
ADDRESS A19-0
DQ15-0
WE#
SW0
SW1
SW2
SW3
SW4
SW5
5555
2AAA
2AAA
5555
5555
XX55
XX50
XX55
XXAA
XX80
XXAA
BAX
OE#
BEF#
SIX-BYTE CODE FOR BLOCK-ERASE
TWP
Note: This device also supports BEF# controlled Block-Erase operation. The WE# and BEF#
signals are interchageable as long as minimum timings are met. (See Table 15)
BAX = Block Address
X can be VIL or VIH, but no other value.
TBY
RY/BY#
VALID
TBR
TBE
523 ILL F11.4
ADDRESS A19-0
DQ15-0
WE#
SW0
SW1
SW2
SW3
SW4
SW5
5555
2AAA
2AAA
5555
5555
XX55
XX30
XX55
XXAA
XX80
XXAA
SAX
OE#
BEF#
SIX-BYTE CODE FOR SECTOR-ERASE
TSE
TWP
Note: This device also supports BEF# controlled Sector-Erase operation. The WE# and BEF#
signals are interchageable as long as minimum timings are met. (See Table 15)
SAX = Sector Address
X can be VIL or VIH, but no other value.
TBY
RY/BY#
VALID
TBR



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