CDP6402, CDP6402C
Dynamic Electrical Specifications
at T
A
= -40
o
C to +85
o
C, V
DD
±5%,
t
R
, t
F
= 20ns, V
IH
= 0.7 V
DD
, V
IL
= 0.3 V
DD
, C
L
= 100pF
LIMITS
CDP6402
(NOTE 1)
PARAMETER
SYSTEM TIMING (See Figure 6)
Minimum Pulse Width
CRL
Minimum Setup Time
Control Word to CRL
Minimum Hold Time
Control Word after CRL
Propagation Delay Time
SFD High to SOD
SFD Low to SOD
t
CRL
5
10
t
CWC
5
10
t
CCW
5
10
t
SFDH
5
10
t
SFDL
5
10
RRD High to Receiver Register
High Impedance
RRD Low to Receiver Register
Active
Minimum Pulse Width
MR
NOTES:
1. All measurements are made at the 50% point of the transition except three-state measurements.
2. Typical values for T
A
= 25
o
C and nominal V
DD
.
3. Maximum limits of minimum characteristics are the values above which all devices function.
t
RRDH
5
10
t
RRDL
5
10
5
10
50
40
20
0
40
20
130
100
130
40
80
40
80
40
200
100
150
100
50
40
60
30
200
150
200
60
150
70
150
70
400
200
50
-
20
-
40
-
130
-
130
-
80
-
80
-
200
-
150
-
50
-
60
-
200
-
200
-
150
-
150
-
400
-
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
V
DD
(V)
(NOTE 2)
TYP
(NOTE 3)
MAX
CDP6402C
(NOTE 2)
TYP
(NOTE 3)
MAX
UNITS
CONTROL INPUT WORD TIMING
CONTROL WORD INPUT
CONTROL WORD BYTE
t
CWC
CRL
t
CRL
STATUS OUTPUT TIMING
STATUS OUTPUTS
t
SFDH
SFD
90%
10%
70%
30%
t
SFDL
t
CCW
RECEIVER REGISTER DISCONNECT TIMING
90%
10%
R BUS 7
R BUS 0
t
RRDH
RRD
70%
30%
t
RRDL
FIGURE 6. SYSTEM TIMING WAVEFORMS
5-82
HARRIS [ HARRIS CORPORATION ]
