CDP6402CD HARRIS [Harris Corporation], CDP6402CD Datasheet - Page 9

• Manufacturer Part Number: CDP6402CD
• Description: CMOS Universal Asynchronous Receiver/Transmitter (UART)
• Manufacturer: HARRIS [Harris Corporation]

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