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CDP1877 Datasheet(PDF) 9 Page - Intersil Corporation

Part # CDP1877
Description  Programmable Interrupt Controller (PIC)
PDF  10 Pages
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Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

CDP1877 Datasheet(HTML) 9 Page - Intersil Corporation

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Dynamic Electrical Specifications At TA = -40 to +85oC, VDD ±5%, tR, tF = 20ns, VIH = 0.7VDD, VIL = 0.3VDD, CL = 50pF
PARAMETER
VDD
(V)
LIMITS
UNITS
CDP1877
CDP1877C
MIN
(NOTE 1)
TYP
MAX
MIN
(NOTE 1)
TYP
MAX
Address to TPA Setup Time
tAS
5
60-
-
60-
-
ns
10
40
-
-
-
-
-
ns
Address to TPA Hold Time
tAH
5
60-
-
60-
-
ns
10
40
-
-
-
-
-
ns
Data Valid after TPB
tDTPB
5
370
-
-
370
-
-
ns
10
210
310
-
-
-
-
ns
Data Hold Time from Write
tHW
5
30-
-
30-
-
ns
10
40
-
-
-
-
-
ns
Address to Valid Data
Access Time
tDR
5
-
340
490
-
340
490
ns
10
-
125
230
-
-
-
ns
Data Setup Time to Write
tDSU
50
-
-
0
-
-
ns
10
0
-
-
-
-
-
ns
Address Hold from TPB
tHTPB
5
80-
-
80-
-
ns
10
40
-
-
-
-
-
ns
Minimum MWR Pulse Width
tMWR
5
130
-
-
130
-
-
ns
10
60
-
-
-
-
-
ns
Minimum IR Pulse Width
tIRX
5
130
-
-
130
-
-
ns
10
60
-
-
-
-
-
ns
NOTE:
1. Typical values are for TA = 25
oC and V
DD ±5%.
HIGH BYTE
LOW BYTE
tAH
tAS
MEMORY ADDRESS
TPA
TPB
MRD
tHTPB
tDTPB
tDR
VALID DATA
DATA FROM PIC TO BUS
MWR
DATA FROM BUS TO PIC
IRX
tMWR
tDSU
tDH
VALID DATA
tIRX
FIGURE 4. TIMING WAVEFORMS FOR CDP1877
CDP1877, CDP1877C



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