AUSTIN SEMICONDUCTOR, INC.
FLASH
AS8FLC2M32
Austin Semiconductor, Inc.
Sector Protect / Unprotect Timing Diagram
V
ID
IH
V
RESET#
SA, A6,
Valid*
Valid*
Valid*
A1, A0
Sector Protect/Unprotect
Verify
40h
Data
60h
60h
Status
Sector Protect: 150 µs
Sector Unprotect: 15 ms
1 µs
CE#
WE#
OE#
Note
For sector protect, A6 = 0, A1 = 1, A0 = 0. For sector unprotect, A6 = 1, A1 = 1, A0 = 0.
Alternate CE# Controlled Erase/Program Operations
Parameter
Speed Options
JEDEC
Std
Description
Write Cycle Time1
70
90 100 120 Unit
tAVAV
tWC
ns
ns
ns
ns
ns
ns
70
90 100 120
0
tAVEL
tELAX
tDVEH
tEHDX
tAS
tAH
Address Setup Time
Address Hold Time
Data Setup Time
45
tDS
35
40
45
45
tDH
tOES
Data Hold Time
0
0
Output Enable Setup Time
Min
Read Recovery Time Before Write
High to WE# Low)
(OE#
tGHEL
tGHEL
0
ns
tWLEL
tEHWH
tELEH
tEHEL
tWS
tWH
WE# Setup Time
WE# Hold Time
0
0
ns
ns
ns
ns
ns
tCP
CE# Pulse Width
CE# Pulse Width High
35
30
20
5
tCPH
tSR/W
tWHWH1
tWHWH2
Latency Between Read and Write Operations
Programming Operation2
Sector Erase Operation2
tWHWH1
tWHWH2
Byte
µs
sec
Typ
0.7
Notes:
1. Not 100% Tested
2. See Erase and Programming Performance
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
AS8FLC2M32B
Rev. 1.2 5/09
25
AUSTIN [ AUSTIN SEMICONDUCTOR ]
