SP3222BCP データシートの表示（PDF） - Signal Processing Technologies

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SP3222BCP

True +3.0V to +5.5V RS-232 Transceivers

Signal Processing Technologies 

SPECIFICATIONS (continued)

Unless otherwise noted, the following specifications apply for VCC = +3.0V to +5.5V with TAMB = TMIN to TMAX , C1 to

C4=0.1µF. Typical Values apply at VCC = +3.3V or +5.5V and TAMB = 25oC.

PARAMETER

RECEIVER INPUTS

MIN. TYP. MAX. UNITS CONDITIONS

Input Voltage Range

-25

+25

Input Threshold LOW

0.6 1.2

0.8 1.5

Input Threshold HIGH

1.5 2.4

1.8 2.4

Input Hysteresis

0.3

Input Resistance

3

5

7

TIMING CHARACTERISTICS

Maximum Data Rate

250

Receiver Propagation Delay

0.15

0.15

Receiver Output Enable Time

200

Receiver Output Disable Time

200

Driver Skew

100

Receiver Skew

50

Transition-Region Slew Rate

30

V

V

VCC=3.3V

VCC=5.0V

V V =3.3V

CC

VCC=5.0V

V

kΩ

kbps

µs

ns

ns

ns

ns

V/µs

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

tPHL, RxIN to RxOUT, CL=150pF

tPLH, RxIN to RxOUT, CL=150pF

| tPHL - tPLH |, TAMB = 25oC

| tPHL - tPLH |

VCC = 3.3V, RL = 3KΩ, TAMB = 25oC,

measurements taken from -3.0V to +3.0V

or +3.0V to -3.0V

Rev. 6/30/03

SP3222B/3232B True +3.0 to +5.5V RS-232 Transceivers

3

© Copyright 2003 Sipex Corporation

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