A49LF040 Datasheet, PDF (24/31 Pages) AMIC Technology – 4 Mbit CMOS 3.3Volt-only Low Pin Count Flash Memory

Figure 16: A/A Mux Mode Chip Erase Timing Diagram
Six-Byte Chip Erase Command Sequence
Address
5555
2AAA
5555
5555
2AAA
5555
R/C#
OE#
WE#
High-Z
I/O₇-I/O₀
T_WP T_WPH
AA
55
80
AA
55
10
A49LF040
T_SCE
Chip Erase Command Input
Chip Erase Operation In Progress
Figure 17: A/A Mux Mode Product ID Entry and Read Timing Diagram
Three-Byte Product ID Entry
Command Sequence
Address
5555
2AAA
5555
0000
0001
0003
R/C#
OE#
WE#
High-Z
I/O₇-I/O₀
T_WP T_WPH
T_IDA
AA
55
90
T_AA
37
95
7F
Figure 18: A/A Mux Mode Product ID Exit and Reset Timing Diagram
Three-Byte Product ID Exit and
Reset Command Sequence
Address
5555
2AAA
5555
R/C#
OE#
WE#
High-Z
I/O₇-I/O₀
T_WP T_WPH
AA
55
F0
PRELIMINARY (August, 2004, Version 0.1)
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AMIC Technology, Corp.