參數(shù)資料
型號: PUMA2F16006MB-120E
元件分類: PROM
英文描述: 512K X 32 FLASH 5V PROM MODULE, 120 ns, CHMA66
封裝: CERAMIC, PGA-66
文件頁數(shù): 25/26頁
文件大?。?/td> 258K
代理商: PUMA2F16006MB-120E
Issue 5.1 May 2001
PAGE 8
Erase/Program Alternate /CS controlled Writes
Notes : (1) This does not include the preprogramming time.
(2) These timings are for Sector Protect and Unprotect operations.
(3) This timing is for Sector Unprotect only.
(4) Not 100% tested.
70
90
120
Parameter
Symbol Min
Max
Min
Max
Min
Max Units
Address Valid to Next Address Valid
tWC
70
-
90
-
120
-
ns
Write Enable Low to Chip Select Low
tWS
0
-
0
-
0
-
ns
Chip Select Low to Chip Select High
tCP
45
-
50
-
55
-
ns
Input Valid to Chip Select High
tDS
30
-
35
-
40
-
ns
Chip Select High to Input Transition
tDH
0
-
0
-
0
-
ns
Chip Select High to Write Enable High
tWH
0
-
0
-
0
-
ns
Chip Select High to Chip Select Low
tCPH
20
-
20
-
20
-
ns
Address Valid Chip Select Low
tAS
0
-
0
-
0
-
ns
Chip Select Low to Address Transition
tAH
45
-
50
-
55
-
ns
Output Enable High Chip Select Low
tGHEL
0
-
0
-
0
-
ns
Chip Enable High to Output Enable Low
tOEH
0
-
0
-
0
-
ns
VCC High to Write Eanble Low
tVCS
50
-
50
-
50
-
s
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