ST207 Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

Fabricante

ST207

± 15KV ESD PROTECTED 5V RS-232 TRANSCEIVER

STMicroelectronics 

ST207E

TRANSMITTER ELECTRICAL CHARACTERISTICS (C1 -C4 = 0.1µF, VCC = 5V ± 5% TA = Min to

Max, 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

Un it

Min. Typ. Max.

VTOUT Output Voltage Swing

All drivers loaded with 3KΩ to GND

±5

±8.5

V

ROUT Transmitter Output Resistance VCC = V+ = V- = 0V VOUT = ± 2 V 300

Ω

ISC Transmitter Output Short

Circuit Current

±18 ±60 mA

IIL Input Pull-Up Current

TIN = 0 V

15

200

µA

VTIL Input Logic Threshold Low

VTIH Input Logic Threshold High

0.8

V

2

V

TIMING CHARACTERISTICS (C1 -C4 = 0.1µF, VCC = 5V ± 5% TA = Min to Max, 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

Un it

Min. Typ. Max.

DR Maximum Data Rate

RL = 3KΩ to 7 KΩ,

120

CL = 50pF to 1000pF

one transmitter switching

kbps

tPLHR Receiver Propagation Delay

tPHLR

All drivers loaded with 3KΩ to GND

tPLHT Transmitter Propagation Delay RL = 3KΩ, CL = 2500pF

tPHLT

all transmitters loaded

SR Transition-Region Slew Rate TA =25 oC VCC = 5V

3

RL = 3KΩ to 7 KΩ,

CL = 50pF to 1000pF

measure from -3V to 3V or 3V to -3V

0.2

10

µs

2

µs

7

30 V/µs

4/9

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