8 Mbit Firmware Hub
SST49LF008A
Data Sheet
Six-Byte code for Chip-Erase Operation
Addresses
R/C#
5555
2AAA
5555
5555
2AAA
5555
OE#
WE#
T
T
SCE
WP
T
WPH
Internal Erasure Starts
SB0
AA
SB1
55
SB2
80
SB3
AA
SB4
55
SB5
10
DQ
7-0
1161 F23.0
FIGURE 20: Chip-Erase Timing Diagram (PP Mode)
Three-byte sequence for
Software ID Entry
Addresses
5555
2AAA
5555
0000
0001
R/C#
OE#
WE#
T
IDA
T
WP
T
AA
T
WPH
DQ
7-0
AA
55
90
BF
Device ID
SW0
SW1
SW2
1161 F24.2
Device ID = 5AH for SST49LF008A
FIGURE 21: Software ID Entry and Read (PP Mode)
©2006 Silicon Storage Technology, Inc.
S71161-11-000
3/06
32