CDP1854AC3 datasheet(3/12 Pages) INTERSIL

Part #	CDP1854AC3

Description	High Reliability CMOS Programmable Universal Asynchronous Receiver/Transmitter (UART)

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Manufacturer	INTERSIL [Intersil Corporation]

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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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CDP1854AC3 Datasheet(PDF) 3 Page - Intersil Corporation

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