ST202EBTR Просмотр технического описания (PDF) - STMicroelectronics

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производитель

ST202EBTR

± 15 kV ESD protected 5 V RS-232 transceiver

STMicroelectronics 

Electrical characteristics

ST202EB - ST202EC - ST232EB - ST232EC

Table 7.

Symbol

Receiver electrical characteristics

(C1 - C4 = 0.1 µF, VCC = 5 V ± 10 %, TA = -40 to 85 °C, unless otherwise specified. Typical

values are referred to TA = 25 °C).

Parameter

Test condition

Min. Typ. Max. Unit

VRIN

RRIN

VRIL

VRIH

VRIHYS

VROL

VROH

tDR

Receiver input voltage

operating range

RS-232 input resistance

RS-232 input logic threshold

low

TA = 25°C, VCC = 5 V

TA = 25°C, VCC = 5 V

RS-232 input logic threshold

high

TA = 25°C, VCC = 5 V

RS-232 input hysteresis

TTL/CMOS output voltage low

TTL/CMOS output voltage high

Receiver propagation delay

VCC = 5 V

IOUT = 3.2 mA

IOUT = -1 mA

CL = 150 pF

-30

30

V

3

5

7

kΩ

0.8

1.2

V

1.7

2.4

V

0.2

0.5

1

V

0.4

V

3.5 VCC-0.4

V

0.5

10

µs

6/18

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