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 9)
LIMITS
CDP1854A
CDP1854AC
PARAMETER
VDD
(NOTE 1) (NOTE 2) (NOTE 1) (NOTE 2)
(V)
TYP
MAX
TYP
MAX
UNITS
INTERFACE TIMING - MODE 0
Minimum Pulse Width
CRL
tCRL
5
100
150
100
150
ns
10
50
75
-
-
ns
MR
tMR
5
200
400
200
400
ns
10
100
200
-
-
ns
Minimum Setup Time
Control Word to CRL
tCWC
5
40
80
40
80
ns
10
20
50
-
-
ns
Minimum Hold Time
Control Word after CRL
Propagation Delay Time
SFD High to SOD
tCCW
5
100
150
100
150
ns
10
50
75
-
-
ns
tSFDH
5
200
300
200
300
ns
10
100
150
-
-
ns
SFD Low to SOD
tSFDL
5
10
75
120
75
120
ns
40
60
-
-
ns
RRD High to Receiver Register
High Impedance
tRRDH
5
200
300
200
300
ns
10
100
150
-
-
ns
RRD Low to Receiver Register Active
tRRDL
5
100
150
100
150
ns
10
50
75
-
-
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.
CONTROL INPUT WORD TIMING
CONTROL WORD INPUT
tCWC
CRL
tCRL
STATUS OUTPUT TIMING
STATUS OUTPUTS
SFD
tSFDH
tCCW
tSFDL
RECEIVER REGISTER DISCONNECT TIMING
R BUS 0
R BUS 7
tRRDH
RRD
FIGURE 9. MODE 0 INTERFACE TIMING DIAGRAM
tRRDL
5-58
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