ST202EN Просмотр технического описания (PDF) - STMicroelectronics

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ST202EN

±15KV ESD PROTECTED 5V RS-232 TRANSCEIVER

STMicroelectronics 

ST202E/ST232E

RECEIVER ELECTRICAL CHARACTERISTICS

(C1 -C4 = 0.1µF for ST202E, C1 -C4 = 1µF for ST232E, VCC = 5V ± 10%, TA = -40 to 85 oC,

unless otherwise specified. Typical Valus are referred to TA = 25 oC)

Symb ol

P ar am et e r

Test Conditions

Va l u e

Min. Typ. Max.

VRIN

RRIN

VRIL

VRIH

Receiver Input Voltage

Operating Range

RS-232 Input Resistance

RS-232 Input Logic Threshold

Low

RS-232 Input Logic Threshold

High

TA = 25 oC, VCC = 5 V

TA = 25 oC, VCC = 5 V

TA = 25 oC, VCC = 5 V

-30

30

3

5

7

0.8

1.2

1.7

2.4

VRIHYS

VROL

RS-232 Input Hysteresis

TTL/CMOS Output Voltage

Low

VCC = 5 V

IOUT = 3.2mA

0.2

0.5

1

0.4

VROH TTL/CMOS Output Voltage

High

IOUT = -1mA

3.5 VCC-0.4

tdR Propagation Delay Time

CL=150pF

0.5

10

Un it

V

KΩ

V

V

V

V

V

µs

4/12

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