SP3220B データシートの表示（PDF） - Signal Processing Technologies

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SP3220B

High Speed +3.0V to +5.5V RS-232 Driver/Receiver Pair

Signal Processing Technologies 

SPECIFICATIONS (continued)

Unless otherwise noted, the following specifications apply for VCC = +3.0V to +5.0V with TAMB = TMIN to TMAX.

Typical Values apply at VCC = +3.3V or +5.0V and TAMB = 25oC, C1-4=0.1µF.

PARAMETER

MIN. TYP. MAX. UNITS CONDITIONS

RECEIVER INPUTS

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

Maximum Data Rate

1000

Receiverr 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

90

NOTE 2: Driver input hysteresis is typically 250mV.

V

V

VCC=3.3V

VCC=5.0V

V

VCC=3.3V

VCC=5.0V

V

kΩ

Kbps

Kbps

µs

µs

ns

ns

ns

ns

V/µs

V/µs

RL=3kΩ, CL=1000pF (SP3220EB)

RL=3kΩ, CL= 250pF (SP3220EU)

tPHL, RxIN to RxOUT, CL = 150pF

tPHL, 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 (SP3220EB)

(SP3220EU)

Rev. 7/8/03

SP3220B/U +3.0 to +5.0V RS-232 Transceivers

3

© Copyright 2003 Sipex Corporation

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