SN75LBC968

9-CHANNEL BUS TRANSCEIVER

WITH ACTIVE TERMINATION

SLLS179C – APRIL 1994 – REVISED JANUARY 1999

4

POST OFFICE BOX 655303

DISSIPATION RATING TABLE

PACKAGE

TA ≤ 25°C

POWER RATING

DERATING FACTOR†

ABOVE TA = 25°C

TA = 70°C

POWER RATING

DL

2500 mW

20 mW/

°C

1600 mW

† Derating factors are the inverse of the junction-to-ambient thermal resistance when

board-mounted with no air flow.

recommended operating conditions

MIN

NOM

MAX

UNIT

Supply voltage, VCC

4.75

5

5.25

V

Supply voltage, VCC1 (see Note 3)

3

5.25

V

Termination voltage, VTE

4.25

5.25

V

High-level input voltage, VIH

DE/RE, CE, A, B

2

V

Low-level input voltage, VIL

DE/RE, CE, A, B

0.8

V

High-level output current, IOH

A

–8

mA

Low level output current IOL

B

48

mA

Low-level output current, IOL

A

8

mA

Operating free-air temperature, TA

0

70

°C

NOTE 3: All electrical characteristics are measured with VCC1 = VCC unless otherwise noted.

driver electrical characteristics over recommended operating conditions (unless otherwise noted)

(see Figure 1)

PARAMETER

TEST CONDITIONS

MIN

MAX

UNIT

VOH

High-level output voltage

IOH = – 20 mA

2

V

VOL

Low-level output voltage

IOL = 48 mA

0.5

V

IIH

High-level input current

VIH = 2 V,

VCC = VCC1 = 5.25 V

– 100

µA

IIL

Low-level input current, A

VIL = 0.5 V,

VCC = VCC1 = 5.25 V

– 100

µA

IOZ

High impedance state output current

VO = 5.25 V,

VCC = VCC1 = 5.25 V

– 100

µA

IOZ

High-impedance-state output current

VO = 0 V,

VCC = VCC1 = 5.25 V

– 100

µA

termination electrical characteristics over recommended operating conditions (unless otherwise

noted) (see Figure 2)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VO(OC)

Open-circuit output voltage

IO = 0 mA,

VCC = VCC1 = 0 V

2.5

2.85

3.24

V

VO = 0 V,

VCC = VCC1 = 0 V

–24

mA

IO

Output current

VO = 0.5 V,

VCC = VCC1 = 0 V

–20

–24

mA

IO

Output current

VO = 3 V,

VCC = VCC1 = 0 V

100

µA

VO = 4 V,

VCC = VCC1 = 0 V

2

12

mA