![](http://datasheet.mmic.net.cn/230000/WF1M32B-100G2TC3_datasheet_15633973/WF1M32B-100G2TC3_5.png)
5
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
WF1M32B-XXX3
March 2006
Rev. 5
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
AC CHARACTERISTICS – WRITE/ERASE/PROGRAM OPERATIONS – WE# CONTROLLED
V
CC
= 3.3V, V
SS
= 0V, -55°C ≤ T
A
≤ +125°C
Parameter
Symbol
-100
-120
-150
Unit
Min
100
0
50
0
50
0
50
30
Max
Min
120
0
50
0
50
0
50
30
Max
Min
150
0
65
0
65
0
65
35
Max
Write Cycle Time
Chip Select Setup Time
Write Enable Pulse Width
Address Setup Time
Data Setup Time
Data Hold Time
Address Hold Time
Write Enable Pulse Width High
Duration of Byte Programming Operation (1)
Sector Erase
Read Recovery Time before Write (3)
VCC Setup Time
Chip Programming Time
Output Enable Setup Time
Output Enable Hold Time (2)
1. Typical value for t
WHWH1
is 9μs.
2. For Toggle and Data Polling.
3. Guaranteed by design, but not tested.
t
AVAV
t
ELWL
t
WLWH
t
AVWL
t
DVWH
t
WHDX
t
WLAX
t
WHWL
t
WHWH1
t
WHWH2
t
GH
W
L
t
VCS
t
WC
t
CS
t
WP
t
AS
t
DS
t
DH
t
AH
t
WPH
ns
ns
ns
ns
ns
ns
ns
ns
μs
sec
μs
μs
sec
ns
ns
300
15
300
15
300
15
0
0
0
50
50
50
50
50
50
t
OES
t
OEH
0
0
0
10
10
10
AC CHARACTERISTICS – READ-ONLY OPERATIONS
V
CC
= 3.3V, V
SS
= 0V, -55°C ≤ T
A
≤ +125°C
Symbol
Min
t
AVAV
t
RC
100
t
AVQV
t
ACC
t
ELQV
t
CE
t
GLQV
t
OE
Chip Select High to Output High Z (1)
t
EHQZ
Output Enable High to Output High Z (1)
t
GHQZ
Output Hold from Addresses, CS# or OE#
Change, whichever is First
1. Guaranteed by design, not tested.
Parameter
-100
-120
-150
Unit
Max
Min
120
Max
Min
150
Max
Read Cycle Time
Address Access Time
Chip Select Access Time
Output Enable to Output Valid
ns
ns
ns
ns
ns
ns
ns
100
100
40
30
30
120
120
50
30
30
150
150
55
40
40
t
DF
t
DF
t
OH
t
AXQX
0
0
0