16 Mbit Concurrent SuperFlash + 2 / 4 Mbit SRAM ComboMemory
SST34HF1621 / SST34HF1641
Data Sheet
T
BP
5555
2AAA
5555
ADDR
ADDRESS A
19-0
T
AH
T
CP
BEF#
OE#
T
AS
T
CPH
T
CH
WE#
T
CS
T
T
BY
BR
RY/BY#
T
DS
T
DH
DQ
15-0
XXAA
SW0
XX55
SW1
XXA0
SW2
DATA
VALID
WORD
(ADDR/DATA)
523 ILL F06.3
Note: X can be V or V , but no other value.
IL IH
FIGURE 8: FLASH BEF# CONTROLLED WORD-PROGRAM CYCLE TIMING DIAGRAM
ADDRESS A
19-0
T
CE
BEF#
OE#
T
OES
T
OEH
T
OE
WE#
T
BR
DQ
7
DATA#
DATA#
VALID DATA
523 ILL F07.2
FIGURE 9: FLASH DATA# POLLING TIMING DIAGRAM
©2001 Silicon Storage Technology, Inc.
S71172-05-000 10/01 523
19