CDP1855 데이터 시트보기 (PDF) - Intersil
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CDP1855 Datasheet PDF : 15 Pages
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CDP1855, CDP1855C
Dynamic Electrical Specifications At TA = -40 to +85oC, VDD ±5%, tR, tF = 20ns, VIH = 0.7VDD, VIL = 0.3VDD,
CL = 100pF (See Figure 8)
LIMITS
CDP1855
CDP1855C
(NOTE 1)
PARAMETER
VDD
(V)
(NOTE 2)
MIN
TYP
MAX
(NOTE 2)
MIN
TYP
MAX
WRITE CYCLE
Minimum Clear Pulse Width
tCLR
5
-
10
-
50
75
-
25
40
-
50
75
-
-
Minimum Write Pulse Width
tWW
5
-
10
-
150
225
-
75
115
-
150
225
-
-
Minimum Data-In-Setup
tDSU
5
-
-75
0
-
-75
0
10
-
-40
0
-
-
-
Minimum Data-In-Hold
tDH
5
-
10
-
50
75
-
25
40
-
50
75
-
-
Minimum Address to Write
tASU
5
-
Setup
10
-
50
75
-
25
40
-
50
75
-
-
Minimum Address after
Write Hold
tAH
5
-
10
-
50
75
-
25
40
-
50
75
-
-
NOTES:
1. Maximum limits of minimum characteristics are the values above which all devices function.
2. Typical values are for TA = 25oC and nominal voltages.
Dynamic Electrical Specifications At TA = -40 to +85oC, VDD ±5%, tR, tF = 20ns, VIH = 0.7VDD, VIL = 0.3VDD,
CL = 100pF (See Figure 9)
LIMITS
CDP1855
CDP1855C
(NOTE 1)
PARAMETER
VDD
(V)
(NOTE 2)
MIN
TYP
MAX
(NOTE 2)
MIN
TYP
MAX
READ CYCLE
CE to Data Out Active
tCDO
5
-
10
-
200
300
-
100
150
-
200
300
-
-
CE to Data Access
tCA
5
-
10
-
300
450
-
150
225
-
300
450
-
-
Address to Data Access
tAA
5
-
10
-
300
450
-
150
225
-
300
450
-
-
Data Out Hold after CE
tDOH
5
50
10
25
150
225
50
75
115
-
150
225
-
-
Data Out Hold after Read
tDOH
5
50
10
25
150
225
50
75
115
-
150
225
-
-
Read to Data Out Active
tRDO
5
-
10
-
200
300
-
100
150
-
200
300
-
-
Read to Data Access
tRA
5
-
10
-
200
300
-
100
150
-
200
300
-
-
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
4-59
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