CDP1851 Просмотр технического описания (PDF) - Intersil
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CDP1851 Datasheet PDF : 14 Pages
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CDP1851, CDP1851C
Dynamic Electrical Specifications At TA = -40oC to +85oC, VDD ±5%, tr, tf = 20ns, VIH = 0.7 VDD, VIL = 0.3 VDD, CL = 100pF
LIMITS
CDP1851
CDP1851C
PARAMETER
VDD
(NOTE 1) (NOTE 2)
(NOTE 1) (NOTE 2)
(V)
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
INPUT MODE SEE FIGURES 4 AND 5
Minimum Setup Times:
Chip Select to CLOCK
tCSCL
5
-
50
10
-
25
75
-
50
40
-
-
75
ns
-
ns
RD/WE to CLOCK
tRWCL
5
-
75
120
-
75
120
ns
10
-
40
60
-
-
-
ns
WR/RE to CLOCK
tWRCL
5
-
75
120
-
75
120
ns
10
-
40
60
-
-
-
ns
Data in to STROBE
tDlST
5
-
75
120
-
75
120
ns
10
-
40
60
-
-
-
ns
Minimum Hold Times:
Chip Select After CLOCK
tHCSCL
5
-
75
120
-
75
120
ns
10
-
40
60
-
-
-
ns
Address After TPB
tHATPB
5
-
-50
0
-
-50
0
ns
10
-
-25
0
-
-
-
ns
Data In After STROBE
tHSTDl
5
-
50
10
-
25
75
-
50
40
-
-
75
ns
-
ns
Data Bus Out After Address tHADOH
5
50
325
10
25
165
500
50
325
250
-
-
500
ns
-
ns
Propagation Delay Times:
TPB to INT
tPINT
5
-
200
300
-
200
300
ns
10
-
100
150
-
-
-
ns
STROBE to INT
tSTlNT
5
-
200
300
-
200
300
ns
10
-
100
150
-
-
-
ns
TPB to RDY
tTPRDY
5
-
250
375
-
250
375
ns
10
-
125
200
-
-
-
ns
STROBE to RDY
tSTRDY
5
-
260
400
-
260
400
ns
10
-
130
200
-
-
-
ns
Minimum Pulse Widths:
CLOCK
tWCL
5
-
75
120
-
75
120
ns
10
-
40
60
-
-
-
ns
TPB
tWTPB
5
-
75
120
-
75
120
ns
10
-
40
60
-
-
-
ns
STROBE
tWST
5
-
100
150
-
100
150
ns
10
-
50
75
-
-
-
ns
Access Time, Address to Data
Bus Out
tADA
5
-
325
500
-
325
500
ns
10
-
165
250
-
-
-
ns
NOTES:
1. Typical values are for TA = 25oC and nominal voltages.
2. Maximum limits of minimum characteristics are the values above which all devices function.
4-14
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