CDP1854 Просмотр технического описания (PDF) - Intersil
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CDP1854 Datasheet PDF : 21 Pages
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CDP1854A, CDP1854AC
Dynamic Electrical Specifications TA = -40oC to +85oC, VDD ±5%, tR, tF = 20ns, VIH = 0.7 VDD, VIL = 0.3 VDD, CL = 100pF,
(See Figure 4)
LIMITS
CDP1854A
CDP1854AC
PARAMETER
VDD
(NOTE 1) (NOTE 2) (NOTE 1) (NOTE 2)
(V)
TYP
MAX
TYP
MAX
UNITS
RECEIVER TIMING - MODE 1
Minimum Clock Period
tCC
5
250
310
250
310
ns
10
125
155
-
-
ns
Minimum Pulse Width
Clock Low Level
tCL
5
100
125
100
125
ns
10
75
100
-
-
ns
Clock High Level
tCH
5
100
125
100
125
ns
10
75
100
-
-
ns
TPB
tTT
5
100
150
100
150
ns
10
50
75
-
-
ns
Minimum Setup Time
Data Start Bit to Clock
tDC
5
100
150
100
150
ns
10
50
75
-
-
ns
Propagation Delay Time
TPB to DATA AVAILABLE
tTDA
5
220
325
220
325
ns
10
110
175
-
-
ns
Clock to DATA AVAILABLE
tCDA
5
220
325
220
325
ns
10
110
175
-
-
ns
Clock to Overrun Error
tCOE
5
210
300
210
300
ns
10
105
150
-
-
ns
Clock to Parity Error
tCPE
5
240
375
240
375
ns
10
120
175
-
-
ns
Clock to Framing Error
tCFE
5
200
300
200
300
ns
10
100
150
-
-
ns
NOTES:
1. Typical values for TA = 25oC and nominal voltages.
2. Maximum limits of minimum characteristics are the values above which all devices function.
5-52
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