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CDP1854A3 View Datasheet(PDF) - Intersil
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Description
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CDP1854A3
High Reliability CMOS Programmable Universal Asynchronous Receiver/Transmitter (UART)
Intersil
CDP1854A3 Datasheet PDF : 12 Pages
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CDP1854A/3, CDP1854AC/3
Dynamic Electrical Specifications
t
R
, t
F
= 15ns, V
IH
= V
DD
, V
IL
= V
SS
, C
L
= 100pF, (See Figure 6)
PARAMETER
V
DD
(V)
LIMITS
-55
o
C, +25
o
C
+125
o
C
MIN
MAX
MIN
MAX
TRANSMITTER TIMING - MODE 0
Clock Period
t
CC
5
240
-
280
-
10
120
-
145
-
Pulse Width
Clock Low Level
t
CL
5
105
-
125
-
10
55
-
65
-
Clock High Level
t
CH
5
135
-
155
-
10
65
-
80
-
THRL
t
THTH
5
140
-
165
-
10
80
-
85
-
Setup Time
THRL to Clock
t
THC
5
205
-
235
-
10
120
-
140
-
Data to THRL
t
DT
5
25
-
30
-
10
20
-
25
-
Hold Time
Data after THRL
t
TD
5
60
-
95
-
10
45
-
75
-
Propagation Delay Time
Clock to Data Start Bit
t
CD
5
10
-
435
-
505
-
205
-
235
Clock to THRE
t
CT
5
10
-
345
-
420
-
175
-
200
THRL to THRE
t
TTHR
5
10
-
275
-
325
-
145
-
165
Clock to TSRE
t
TTS
5
10
-
345
-
405
-
165
-
190
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
9
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