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参数资料
| 型号： | WF128K32-50H1I5A |
| 元件分类： | PROM |
| 英文描述： | 128K X 32 FLASH 5V PROM MODULE, 50 ns, CHIP66 |
| 封装： | PGA TYPE, CERAMIC, HIP-66 |
| 文件页数： | 11/15页 |
| 文件大小： | 241K |
| 代理商： | WF128K32-50H1I5A |
White Microelectronics Phoenix, AZ (602) 437-1520
7
FLASH
MODULES
5
WF128K32-XXX5
AC CHARACTERISTICS – WRITE/ERASE/PROGRAM OPERATIONS, WE CONTROLLED
(VCC = 5.0V, VSS = 0V, TA = -55
°C to +125°C)
Parameter
Symbol
-50
-60
-70
-90
-120
-150
Unit
Min
Max
Min
Max
Min
Max
Min
Max
Min
Max
Min
Max
Write Cycle Time
tAVAV
tWC
50
60
70
90
120
150
ns
Chip Select Setup Time
tELWL
tCS
00
0
ns
Write Enable Pulse Width
tWLWH
tWP
25
30
35
45
50
ns
Address Setup Time
tAVWL
tAS
00
0
ns
Data Setup Time
tDVWH
tDS
25
30
45
50
ns
Data Hold Time
tWHDX
tDH
00
0
ns
Address Hold Time
tWLAX
tAH
40
45
50
ns
Chip Select Hold Time
tWHEH
tCH
00
0
ns
Write Enable Pulse Width High
tWHWL
tWPH
20
ns
Duration of Byte Programming Operation (min)
tWHWH1
14
s
Sector Erase Time
tWHWH2
2.2
60
2.2
60
2.2
60
2.2
60
2.2
60
2.2
60
sec
Read Recovery Time Before Write
tGHWL
00
0
ns
VCC Setup Time
tVCS
50
s
Chip Programming Time
12.5
sec
Output Enable Setup Time
tOES
00
0
ns
Output Enable Hold Time (1)
tOEH
10
ns
1. For Toggle and Data Polling.
AC CHARACTERISTICS – READ ONLY OPERATIONS
(VCC = 5.0V, VSS = 0V, TA = -55
°C to +125°C)
Parameter
Symbol
-50
-60
-70
-90
-120
-150
Unit
Min
Max
Min
Max
Min
Max
Min Max
Min
Max
Min
Max
Read Cycle Time
tAVAV
tRC
50
60
70
90
120
150
ns
Address Access Time
tAVQV
tACC
50
60
70
90
120
150
ns
Chip Select Access Time
tELQV
tCE
50
60
70
90
120
150
ns
OE to Output Valid
tGLQV
tOE
25
30
35
40
50
55
ns
Chip Select to Output High Z (1)
tEHQZ
tDF
20
25
30
35
ns
OE High to Output High Z (1)
tGHQZ
tDF
20
25
30
35
ns
Output Hold from Address, CS or OE Change,
tAXQX
tOH
00
0
ns
whichever is first
1. Guaranteed by design, not tested.
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