SN65LBC184DRG4 参数 Datasheet PDF下载

SN65LBC184, SN75LBC184

DIFFERENTIAL TRANSCEIVER

WITH TRANSIENT VOLTAGE SUPPRESSION

SLLS236F − OCTOBER 1996 − REVISED APRIL 2005

PARAMETER MEASUREMENT INFORMATION

Output

S1

0 or 3 V

CL = 50 pF

(see Note B)

50

Ω

RL = 110

Ω

tPZH

Output

2.3 V

tPHZ

VOLTAGE WAVEFORMS

Input

1.5 V

1.5 V

0V

0.5 V

VOH

Voff

≈

0 V

3V

Generator

(see Note A)

TEST CIRCUIT

NOTES: A. The input pulse is supplied by a generator having the following characteristics: PRR = 1.25 kHz, 50% duty cycle, tr

≤

10 ns,

tf

≤

10 ns, ZO = 50

Ω.

B. CL includes probe and jig capacitance.

Figure 2. Driver t

PZH

and t

PHZ

Test Circuit and Voltage Waveforms

5V

RL = 110

Ω

Output

tPZL

CL = 50 pF

(see Note B)

50

Ω

Output

2.3 V

tPLZ

Input

1.5 V

1.5 V

3V

0V

S1

0 or 3 V

Generator

(see Note A)

5V

0.5 V

VOL

TEST CIRCUIT

VOLTAGE WAVEFORMS

NOTES: A. The input pulse is supplied by a generator having the following characteristics: PRR = 1.25 kHz, 50% duty cycle, tr

≤

10 ns,

tf

≤

10 ns, ZO = 50

Ω.

B. CL includes probe and jig capacitance.

Figure 3. Driver t

PZL

and t

PLZ

Test Circuit and Voltage Waveforms

A

D

Input

II

IO(A)

B

VOD

27

Ω

27

Ω

VOC

IO(B)

CL

CL

VO(B)

VO(A)

Output

NOTES: A. Resistance values are in ohms and are 1% tolerance.

B. CL includes probe and jig capacitance.

Figure 4. Driver Test Circuit, Voltage, and Current Definitions

POST OFFICE BOX 655303

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DALLAS, TEXAS 75265

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