CDP1854 Intersil Corporation, CDP1854 Datasheet - Page 18
CDP1854
Manufacturer Part Number
CDP1854
Description
Programmable Universal Asynchronous Receiver/Transmitter (UART)
Manufacturer
Intersil Corporation
Datasheet
1.CDP1854.pdf
(21 pages)
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Dynamic Electrical Specifications
NOTES:
1. Typical values for T
2. Maximum limits of minimum characteristics are the values above which all devices function.
TRANSMITTER TIMING - MODE 0
Minimum Clock Period
Minimum Pulse Width
Minimum Setup Time
Minimum Hold Time
Propagation Delay Time
Clock Low Level
Clock High Level
THRL
THRL to Clock
Data to THRL
Data after THRL
Clock to Data Start Bit
Clock to THRE
THRL to THRE
Clock to TSRE
PARAMETER
A
= 25
o
C and nominal voltages.
T
(See Figure 10)
A
t
t
= -40
CDP1854A, CDP1854AC
THTH
t
TTHR
t
t
t
THC
t
t
t
t
t
TTS
CC
CH
CD
CL
DT
TD
CT
o
C to +85
V
(V)
10
10
10
10
10
10
10
10
10
10
10
DD
5
5
5
5
5
5
5
5
5
5
5
o
C, V
5-59
DD
(NOTE 1)
5%, t
TYP
250
125
100
100
100
175
300
150
200
100
200
100
200
100
75
75
50
90
20
80
40
0
CDP1854A
R
, t
F
= 20ns, V
(NOTE 2)
MAX
310
155
125
100
125
100
150
275
150
120
450
225
300
150
300
150
300
150
75
50
40
60
LIMITS
IH
= 0.7 V
(NOTE 1)
TYP
250
100
100
100
175
300
200
200
200
20
80
-
-
-
-
-
-
-
-
-
-
-
DD
CDP1854AC
, V
IL
= 0.3 V
(NOTE 2)
MAX
310
125
125
150
275
120
450
300
300
300
50
-
-
-
-
-
-
-
-
-
-
-
DD
, C
L
= 100pF,
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns