LTC1383IN データシートの表示（PDF） - Linear Technology

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LTC1383IN

5V Low Power RS232 Transceiver

Linear Technology 

UW

W

SWITCHI G TI E WAVEFOR S

LTC1383

DRIVER

INPUT

1.4V

DRIVER

OUTPUT

0V

tLHD

1.4V

tHLD

VCC

0V

V+

0V

V–

LTC1383 • F01

RX

INPUT

RX

OUTPUT

tLHR

1.7V

0.8V

VCC

1.3V

0V

tHLR

2.4V VCC

0V

LTC1383 • F02

Figure 1. Driver Propagation Delay Timing

Figure 2. Receiver Propagation Delay Timing

TEST CIRCUITS

Driver Timing Test Load

DRIVER

INPUT

DRIVER

DRIVER

OUTPUT

51pF 3k

LTC1383 • TA03

Receiver Timing Test Load

RX INPUT

RX

RX

OUTPUT

51pF

LTC1383 • TA04

ESD Test Circuit

0.1µF

0.1µF

LOGIC INPUT

LOGIC INPUT

LOGIC OUTPUT

1

3

4

LTC1383

5 VCC

300k

11

VCC

300k

10

12

5k

16 VCC

2

6

0.1µF

0.1µF

14

232 OUTPUT

7 232 OUTPUT RS232

LINE PINS

13

232 INPUT

PROTECTED

TO ±10kV

9

LOGIC OUTPUT

8

232 INPUT

5k

15

LTC1383 • TA05

1383fa

5

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