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CDP1851DX Datasheet(PDF) 10 Page - Intersil Corporation

Part # CDP1851DX
Description  CMOS Programmable I/O Interface
PDF  14 Pages
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Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

CDP1851DX Datasheet(HTML) 10 Page - Intersil Corporation

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Dynamic Electrical Specifications
At TA = -40
oC to +85oC, V
DD ±5%, tr, tf = 20ns, VIH = 0.7 VDD, VIL = 0.3 VDD, CL = 100pF
PARAMETER
VDD
(V)
LIMITS
UNITS
CDP1851
CDP1851C
MIN
(NOTE 1)
TYP
(NOTE 2)
MAX
MIN
(NOTE 1)
TYP
(NOTE 2)
MAX
INPUT MODE SEE FIGURES 4 AND 5
Minimum Setup Times:
Chip Select to CLOCK
tCSCL
5
-
50
75
-
50
75
ns
10
-
25
40
-
-
-
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
75
-
50
75
ns
10
-
25
40
-
-
-
ns
Data Bus Out After Address
tHADOH
5
50
325
500
50
325
500
ns
10
25
165
250
-
-
-
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 = 25
oC and nominal voltages.
2. Maximum limits of minimum characteristics are the values above which all devices function.
CDP1851, CDP1851C



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