SN75140

DUAL LINE RECEIVER

SLLS080C – JANUARY 1977 – REVISED APRIL 1998

4

POST OFFICE BOX 655303

PARAMETER MEASUREMENT INFORMATION

VOLTAGE WAVEFORMS

tPLH(S)

tPLH(L)

2.7 V

2.3 V

3.5 V

0 V

VOH

VOL

tPHL(L)

Output

≤ 10 ns

≤ 10 ns

LINE

RL = 400 Ω

(see Note D)

TEST CIRCUIT

(see Note A)

Output

VCC

2.5 V

tPHL(S)

COMSTRB

LINE

COMSTRB

(see Note B)

CL = 15 pF

(see Note B)

≤ 10 ns

≤ 10 ns

2.5 V

2.5 V

1.5 V

1.5 V

1.5 V

1.5 V

1.5 V

1.5 V

NOTES: A. Input pulses are supplied by generators having the following characteristics: PRR

≤ 1 MHz, duty cycle ≤ 50%, ZO = 50 Ω.

B. Unused strobes are to be grounded.

C. CL includes probe and jig capacitance.

D. All diodes are 1N3064.

90%

10%

10%

90%

10%

10%

Figure 1. Test Circuit and Voltage Waveforms

TYPICAL CHARACTERISTICS

OUTPUT VOLTAGE

vs

LINE INPUT VOLTAGE

VI(L) – Line Input Voltage – V

VCC = 5 V

Vref = 2.5 V

VI(S) = 0

TA = 25°C

4

3

1

2

0

0

123

4

5

Figure 2