WF2M32 White Electronic Designs Corporation, WF2M32 Datasheet - Page 4

• Manufacturer Part Number: WF2M32
• Description: Organization = 2Mx32 ;; Speed (ns) = 90-150 ;; Volt = 5 ;; Package = 68 CQFP ;; Temp = C,i,m
• Manufacturer: White Electronic Designs Corporation

NOTES:
1. Typical value for t
2. Typical value for t
3. Typical value for Chip Erase Time is 32sec.
4. For Toggle and Data Polling.
5. RESET internally tied to Vcc for the default pin configuration in the HIP package.
1. Guaranteed by design, not tested.
2. RESET internally tied to Vcc for the default pin configuration in the HIP package.
White Electronic Designs Corporation • Phoenix, AZ • [phone]
Read Cycle Time
Address Access Time
Chip Select Access Time
Chip Select High to Output High Z (1)
Output Enable High to Output High Z (1)
Output Hold from Addresses, CS or OE Change,
whichever is First
RST Low to Read Mode (1,2)
Parameter
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 (2)
Read Recovery Time before Write
V
Chip Programming Time
Chip Erase Time (3)
Output Enable Hold Time (4)
RESET Pulse Width (5)
Parameter
Output Enable to Output Valid
CC
Setup Time
AC CHARACTERISTICS – WRITE/ERASE/PROGRAM OPERATIONS - WE CONTROLLED
WHWH1
WHWH2
is 7 s.
is 1sec.
AC CHARACTERISTICS – READ-ONLY OPERATIONS
(V
(V
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
CC
CC
AVAV
ELWL
WLWH
AVWL
DVWH
WHDX
WLAX
WHWL
WHWH1
WHWH2
GHWL
VCS
AVAV
AVQV
ELQV
GLQV
EHQZ
GHQZ
AXQX
= 5.0V, T
= 5.0V, T
Symbol
Symbol
t
t
t
t
t
t
t
t
RC
ACC
CE
OE
DF
DF
OH
Ready
t
t
t
t
t
t
t
t
t
WPH
t
OEH
WC
WP
CS
AS
DS
DH
AH
RP
A
A
= -55 C to +125 C)
= -55 C to +125 C)
4
Min
Min
90
500
0
90
45
45
45
20
50
10
0
0
0
0
-90
-90
Max
Max
90
90
40
20
20
20
300
256
15
44
Min
120
Min
120
500
0
50
50
50
20
50
10
0
0
0
0
-120
-120
Max
120
120
Max
50
30
30
20
300
256
15
44
WF2M32-XXX5
Min
150
500
Min
150
50
50
50
50
20
10
0
0
0
0
0
-150
-150
Max
Max
150
150
300
256
15
44
55
35
35
20
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
sec
sec
sec
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
s
s
s
s