ST207EATR Просмотр технического описания (PDF) - STMicroelectronics

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ST207EATR

± 15kV ESD protected 5V RS-232 transceiver

STMicroelectronics 

ST207E

Electrical characteristics

Table 7.

Timing characteristics

(C1 - C4 = 0.1µF, VCC = 5V ± 5%, TA = min. to max., unless otherwise specified. Typical

values are referred to TA = 25°C).

Symbol

Parameter

Test

Min. Typ. Max. Unit

DR

Maximum data rate

RL = 3KΩ to 7KΩ

CL= 50pF to 1000pF

one transmitter switching

150

240

RL = 3KΩ to 7KΩ CL= 50pF to 150pF

one transmitter switching

230

300

Kbps

Kbps

tPHLR

tPLHR

Receiver propagation

delay

All drivers loaded with 3KΩ to GND

tPHLT

tPLHT

Transmitter propagation RL = 3KΩ CL= 2500pF

delay

All transmitter loaded

SR

Transition-region slew

rate

TA = 25°C RL = 3 to 7KΩ VCC = 5V

CL = 50pF to 1000pF measured from

+3V to -3V or -3V to +3V

3

0.2

10

µs

2

3

µs

7

30 V/µs

7/17

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