ISL33334E データシートの表示（PDF） - Renesas Electronics

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コンポーネント説明

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ISL33334E

3.3V, ±15kV ESD Protected, Two Port, Dual Protocol (RS-232/RS-485) Transceivers

Renesas Electronics 

ISL33334E, ISL33337E

Test Circuits and Waveforms (Continued)

SHDN

VCC

TxIN

TxOUT

CL

D

RL

SIGNAL

GENERATOR

TxIN

1.5V

tDPHL

TxOUT

0V

SKEW = |tDPHL - tDPLH|

3V

1.5V

0V

tDPLH

VO+

0V

VO-

FIGURE 7A. TEST CIRCUIT

FIGURE 7B. MEASUREMENT POINTS

FIGURE 7. RS-232 DRIVER PROPAGATION DELAY AND TRANSITION TIMES

VCC

SHDN

RxIN

R

RxOUT

SIGNAL

GENERATOR

CL = 15pF

RxIN

50%

tRPHL

RxOUT

SKEW = |tRPHL - tRPLH|

50%

3V

50%

0V

tRPLH

50%

VOH

VOL

FIGURE 8A. TEST CIRCUIT

FIGURE 8B. MEASUREMENT POINTS

FIGURE 8. RS-232 RECEIVER PROPAGATION DELAY AND TRANSITION TIMES

FN8776 Rev 1.00

October 21, 2016

Page 11 of 23

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