Data Sheet
16 Mbit Concurrent SuperFlash + 2/4 Mbit SRAM ComboMemory
SST34HF1621C / SST34HF1641C
Three-Byte Sequence For Software ID Entry
ADDRESS A14-0
555
2AA
555
0000
0001
BEF#
OE#
WE#
DQ15-0
TWP
XXAA
TWPH
XX55
XX90
Note: X can be VIL or VIH, but no other value.
Device ID - 734BH for SST34HF16x1C
TIDA
TAA
00BF
Device ID
FIGURE 17: Flash Software ID Entry and Read for Word Mode
(For Byte Mode A-1 = 0)
1252 F15.1
ADDRESSES
THREE-BYTE SEQUENCE FOR
CFI QUERY ENTRY
555
2AA
555
CE#
OE#
WE#
DQ15-0
TWP
TIDA
TWPH
TAA
XXAA
XX55
XX98
Note: X can be VIL or VIH, but no other value.
Note: X can be VIL or VIH, but no other value.
FIGURE 18: CEI Entry and Read
©2006 Silicon Storage Technology, Inc.
26
1252 F26.0
S71252-03-000
8/06