WF128K64 White Electronic Designs Corporation, WF128K64 Datasheet - Page 3

• Manufacturer Part Number: WF128K64
• Description: Organization = 128Kx64 ;; Speed (ns) = 60-150 ;; Volt = 5 ;; Package = 116 CQFP ;; Temp = C,i,m
• Manufacturer: White Electronic Designs Corporation

1. Guaranteed by design, not tested.
1. For Toggle and Data Polling.
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) t
Chip and Sector Erase Time
Read Recovery Time Before Write
V
Chip Programming Time
Output Enable Setup Time
Output Enable Hold Time (1)
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
CC
Setup Time
AC CHARACTERISTICS – WRITE/ERASE/PROGRAM OPERATIONS, WE CONTROLLED
AC CHARACTERISTICS – READ ONLY OPERATIONS
t
t
t
t
t
t
t
t
t
WHWH1
WHWH2
t
t
t
t
t
t
t
t
t
WLWH
WHWL
DVWH
WHDX
WHEH
GHWL
ELWL
AVWL
WLAX
(V
AVAV
(V
AVQV
GLQV
GHQZ
AXQX
AVAV
ELQV
EHQZ
CC
CC
Symbol
Symbol
= 5.0V, V
= 5.0V, V
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
OES
OEH
WC
CS
WP
AS
DS
DH
AH
CH
WPH
VCS
RC
ACC
CE
OE
DF
DF
OH
SS
SS
Min
Min
60
2.2
50
60
30
30
45
20
14
10
0
= 0V, T
= 0V, T
0
0
0
0
0
0
-60
-60
3
Max
12.5
Max
60
60
60
30
20
20
A
A
= -55 C to +125 C)
= -55 C to +125 C)
Min
Min
2.2
70
35
30
45
20
14
50
10
70
0
0
0
0
0
0
0
-70
-70
12.5
Max
Max
60
70
70
35
20
20
Min
Min
90
2.2
50
90
45
45
45
20
14
10
0
0
0
0
0
0
0
-90
-90
Max
12.5
White Microelectronics • Phoenix, AZ • [phone]
Max
90
90
40
25
25
WF128K64-XG4WX5
60
Min
120
10
Min
120
0
2.2
50
50
50
20
14
50
0
0
0
0
0
0
-120
-120
Max
12.5
Max
120
120
60
50
30
30
Min
150
Min
150
2.2
50
50
50
20
14
50
10
0
0
0
0
0
0
0
-150
-150
Max
150
150
12.5
Max
55
35
35
60
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
sec
sec
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
s
s
7