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CDP1854 Datasheet(PDF) 3 Page - Intersil Corporation

Part No. CDP1854
Description  High Reliability CMOS Programmable Universal Asynchronous Receiver/Transmitter (UART)
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Maker  INTERSIL [Intersil Corporation]
Homepage  http://www.intersil.com/cda/home
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 3 page
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5-64
Operating Conditions At TA = Full Package-Temperature Range. For maximum reliability, operating conditions should be selected so
that operation is always within the following ranges:
PARAMETER
CONDITIONS
LIMITS
UNITS
VDD
(V)
-55oC, +25oC
+125oC
MIN
MAX
MIN
MAX
DC Operating Voltage Range
-
4
10.5
4
6.5
V
Input Voltage Range
-
VSS
VDD
VSS
VDD
V
Baud Rate (Receive or Transmit)
5
-
250
-
215
K bits/s
10
-
520
-
430
K bits/s
Dynamic Electrical Specifications tR, tF = 15ns, VIH = VDD, VIL = VSS, CL = 100pF, (See Figure 1)
PARAMETER
VDD
(V)
LIMITS
UNITS
-55oC, +25oC
+125oC
MIN
MAX
MIN
MAX
TRANSMITTER TIMING - MODE 1
Clock Period
tCC
5
240
-
280
-
ns
10
120
-
145
-
ns
Pulse Width
tCL
Clock Low Level
5
105
-
125
-
ns
10
55
-
65
-
ns
Clock High Level
tCH
5
135
-
155
-
ns
10
65
-
80
-
ns
TPB
tTT
5
125
-
165
-
ns
10
70
-
80
-
ns
Propagation Delay Time
tCD
Clock to Data Start Bit
5
-
425
-
485
ns
10
-
205
-
235
ns
TPB to THRE
tTTH
5
-
315
-
380
ns
10
-
155
-
185
ns
Clock to THRE
tCTH
5
-
335
-
390
ns
10
-
160
-
190
ns
Specifications CDP1854A/3, CDP1854AC/3




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