White Electronic Designs
V
CC
= 5.0V, V
SS
= 0V, -55°C ≤ T
A
≤ +125°C
Parameter
Write Cycle Time
Chip Select Setup Time
Write Enable Pulse Width
Address Setup Time
Data Setup Time
Data Hold Time
Address Hold Time
Chip Select Hold Time
Write Enable Pulse Width High
Duration of Byte Programming Operation (min)
Sector Erase Time
Read Recovery Time before Write
V
CC
Set-up Time
Chip Programming Time
Output Enable Setup Time
Output Enable Hold Time (1)
NOTES:
1. For Toggle and Data# Polling.
WMF128K8-XXX5
AC CHARACTERISTICS – WRITE/ERASE/PROGRAM OPERATIONS, WE# CONTROLLED
Symbol
t
AVAV
t
WC
t
ELWL
t
CS
t
WLWH
t
WP
t
AVWH
t
AS
t
DVWH
t
DS
t
WHDX
t
DH
t
WHAX
t
AH
t
WHEH
t
CH
t
WHWL
t
WPH
t
WHWH1
t
WHWH2
t
GHWL
t
VCS
t
OES
t
OEH
-50
Min
50
0
25
0
25
0
40
0
20
14
2.2
0
50
0
10
Max
Min
60
0
30
0
30
0
45
0
20
14
2.2
0
50
0
10
-60
Max
Min
70
0
35
0
30
0
45
0
20
14
2.2
0
50
0
10
-70
Max
Min
90
0
45
0
45
0
45
0
20
14
2.2
0
50
0
10
-90
Max
-120
Min
120
0
50
0
50
0
50
0
20
14
2.2
0
50
0
10
Max
-150
Min
150
0
50
0
50
0
50
0
20
14
2.2
0
50
0
10
Max
Unit
60
60
60
60
60
12.5
12.5
12.5
12.5
12.5
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
60 sec
ms
µs
12.5 sec
ns
ns
AC CHARACTERISTICS – READ ONLY OPERATIONS
V
CC
= 5.0V, V
SS
= 0V, -55°C ≤ T
A
≤ +125°C
Parameter
Read Cycle Time
Address Access Time
Chip Select Access Time
OE# to Output Valid
Chip Select to Output High Z (1)
OE# High to Output High Z (1)
Output Hold from Address, CS# or OE#
Change, whichever is First
NOTES:
1. Guaranteed by design, but not tested
Symbol
t
AVAV
t
AVQV
t
ELQV
t
GLQV
t
EHQZ
t
GHQZ
t
AXQX
t
RC
t
ACC
t
CE
t
OE
t
DF
t
DF
t
OH
-50
Min
50
Max
50
50
25
20
20
0
-60
Min
60
Max
60
60
30
20
20
0
-70
Min
70
Max
70
70
35
20
20
0
-90
Min
90
Max
90
90
40
25
25
0
-120
Min
120
Max
120
120
50
30
30
0
-150
Min
150
Max
150
150
55
35
35
0
Unit
ns
ns
ns
ns
ns
ns
ns
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
April 2001
Rev. 5
3
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
WEDC [ WHITE ELECTRONIC DESIGNS CORPORATION ]
