SN75157

DUAL DIFFERENTIAL LINE RECEIVER

SLLS084C – SEPTEMBER 1980 – REVISED MARCH 1997

3

POST OFFICE BOX 655303

electrical characteristics over recommended ranges of supply voltage, common-mode input

PARAMETER

TEST CONDITIONS

MIN

TYP‡

MAX

UNIT

VIT

Input threshold voltage (VIT and VIT )

– 0.2

0.2

V

VIT

Input threshold voltage (VIT + and VIT –)

See Note 3

– 0.4

0.4

V

Vhys

Hysteresis voltage (VIT + – VIT –)

70

mV

VOH

High-level output voltage

VID = 0.2 V,

IO = – 1 mA

2.5

3.5

V

VOL

Low-level output voltage

VID = – 0.2 V,

IO = 20 mA

0.35

0.5

V

II

Input current

VCC = 0 to 5.5 V,

VI = 10 V

1.1

3.25

mA

II

Input current

CC

,

See Note 4

VI = – 10 V

– 1.6

– 3.25

mA

IOS

Short-circuit output current§

VO = 0,

VID = 0.2 V

–40

–75

– 100

mA

ICC

Supply current

VID = – 0.5 V,

No load

35

50

mA

† The algebraic convention, where the less positive (more negative) limit is designated as minimum, is used in this data sheet for threshold levels

only.

‡ All typical values are at VCC = 5 V, TA = 25°C.

§ Only one output should be shorted at a time and duration of the short circuit should not exceed one second.

NOTES:

3. The expanded threshold parameter is tested with a 500-

Ω resistor in series with each input.

4. The input not under test is grounded.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

tPLH

Propagation delay time, low- to high-level output

CL =15 pF

See Figure 1

15

25

ns

tPHL

Propagation delay time, high- to low-level output

CL = 15 pF,

See Figure 1

13

25

ns

PARAMETER MEASUREMENT INFORMATION

0.5 V

Input

(see Note B)

– 0.5 V

Output

50%

50%

tPLH

tPHL

1.5 V

1.5 V

VOLTAGE WAVEFORMS

TEST CIRCUIT

VCC +

VCC +

Output

392

Ω

Input

51

Ω

CL = 15 pF

(see Note A)

3.92 k

Ω

NOTES: A. CL includes probe and jig capacitance.

B. The input pulse is supplied by a generator having the following characteristics: tr ≤ 5 ns, tf ≤ 5 ns, PRR ≤ 5 MHz, duty cycle = 50%.

Figure 1. Test Circuit and Voltage Waveforms