SP3222EH 데이터 시트보기 (PDF) - Signal Processing Technologies

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SP3222EH

3.3V, 460 Kbps RS-232 Transceivers

Signal Processing Technologies 

ELECTRICAL CHARACTERISTICS

Unless otherwise noted, the following specifications apply for VCC= +3.0V to +5.0V with T AMB= T MINto T MAX.

PARAMETER

MIN. TYP. MAX. UNITS CONDITIONS

RECEIVER INPUTS

Input Voltage Range

-15

+15

V

Input Threshold LOW

Input Threshold HIGH

Input Hysteresis

0.6 1.2

0.8 1.5

1.5 2.4

1.8 2.4

0.3

V

VCC=3.3V

VCC=5.0V

V

VCC=3.3V

VCC=5.0V

V

Input Resistance

3

5

7

kΩ

TIMING CHARACTERISTICS

Maximum Data Rate

460

Driver Propagation Delay

1.0

1.0

Receiver Propagation Delay

0.3

0.3

Receiver Output Enable Time

200

Kbps

µs

µs

µs

ns

RL=3kΩ, CL=1000pF, one driver switching

t,

PHL

R

L

=

3KΩ,

C

L

=

1000pF

tPLH, RL = 3KΩ, CL = 1000pF

tPHL, RxIN to RxOUT, CL=150pF

tPLH, RxIN to RxOUT, CL=150pF

Receiver Output Disable Time

200

ns

Driver Skew

Receiver Skew

Transition-Region Slew Rate

100 500

200 1000

60

ns

ns

V/µs

| tPHL - tPLH |

|t -t |

PHL PLH

VCC = 3.3V, RL = 3KΩ, TAMB = 25oC,

measurements taken from -3.0V to +3.0V

or +3.0V to -3.0V

Date: 1/18/06

SP3222EH/3232EH 3.3V, 460 Kbps RS-232 Transceivers

3

© Copyright 2006 Sipex Corporation

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