SN75LBC784

QUADRUPLE RS-423-B DRIVER/RECEIVER

SLLS187A – NOVEMBER 1994 – REVISED AUGUST 1995

3

POST OFFICE BOX 655303

DRIVER SECTION

electrical characteristics over recommended ranges of supply voltage and operating free-air

noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VOH

High-level output voltage

Open circuit or RL = 450 Ω

4

5.5

6

V

VOL

Low-level output voltage

Open circuit or RL = 450 Ω

–6

– 5.5

–4

V

IIH

High-level input current

VI = 2.4 V to 5.5 V

100

µA

IIL

Low-level input current

VI = 0 V to 0.8 V

– 100

µA

IO

Output leakage current

VDD = VSS = 0,

VO = ± 6 V

– 100

100

µA

IOS(H)

High-level short circuit output current

VI = 5 V,

VO = 0

15

45

mA

IOS(L)

Low-level short circuit output current

VI = 0,

VO = 0

–45

–15

mA

IDD

Supply current

No load

10

12

mA

IDD

Supply current

RL = 450 Ω

60

70

mA

ISS

Supply current

No load

–10

–12

mA

ISS

Supply current

RL = 450 Ω

–60

–70

mA

Ibias

Bias current

400

µA

switching characteristics over recommended ranges of supply voltage and operating free-air

noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Rws = 0 kΩ

1.5

Rws = 20 kΩ

1.5

2.1

2.7

µs

tTLH

Transition time, low-to-high level (see Figure 1)

Rws = 82 kΩ

5

8

11

µs

Rws = 820 kΩ

80

RL = 450 Ω,

CL = 50 pF, Rws = 0 kΩ

1.5

L

VWS = 5 V

L

Rws = 20 kΩ

1.5

2.1

2.7

µs

tTHL

Transition time, high-to-low level (see Figure 1)

Rws = 82 kΩ

5

8

11

µs

Rws = 820 kΩ

80

SR

Output slew rate

Rws = 20 k

Ω

15

V/

µs

tsk

Output skew (see Figure 4) |tPHL – tPLH|

Rws = 82 kΩ

1

µs