16 Mbit Concurrent SuperFlash + 2 / 4 Mbit SRAM ComboMemory
SST34HF1621 / SST34HF1641
Data Sheet
THREE-BYTE SEQUENCE FOR
SOFTWARE ID EXIT AND RESET
5555
2AAA
5555
ADDRESS A
DQ
14-0
XXAA
XX55
XXF0
15-0
T
IDA
BEF#
OE#
T
WP
WE#
T
WHP
SW0
SW1
SW2
523 ILL F14.2
Note: X can be VIL or VIH, but no other value
FIGURE 16: FLASH SOFTWARE ID EXIT/CFI EXIT
RY/BY#
0V
T
RP
RST#
CE#/OE#
T
RHR
523 ILL F29.0
FIGURE 17: RST# TIMING (WHEN NO INTERNAL OPERATION IS IN PROGRESS)
T
RY
RY/BY#
RST#
T
RP
CE#
OE#
T
BR
523 ILL F30.0
FIGURE 18: RST# TIMING (DURING SECTOR- OR BLOCK-ERASE OPERATION)
©2001 Silicon Storage Technology, Inc.
S71172-05-000 10/01 523
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