SN55LBC976

9-CHANNEL DIFFERENTIAL TRANSCEIVER

SGLS091A – JUNE 1995 – REVISED JANUARY 1997

4

POST OFFICE BOX 655303

trecommended operating conditions

MIN

NOM

MAX

UNIT

Supply voltage, VCC

4.75

5

5.25

V

Voltage at any bus terminal (separately or common mode) VO VI or VIC

B + or B

12

V

Voltage at any bus terminal (separately or common-mode), VO, VI, or VIC

B + or B –

–7

V

High-level input voltage, VIH

All except B + and B –

2

V

Low-level input voltage, VIL

All except B + and B –

0.8

V

High level output current IOH

B + or B –

–60

mA

High-level output current, IOH

A

–8

mA

Low level output current IOL

B + or B –

60

mA

Low-level output current, IOL

A

8

mA

Operating free-air temperature, TA

–55

125

°C

device electrical characteristics over recommended ranges of operating conditions (unless

otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

IIH

High level input current

BSR, A, DE/RE, and CRE

VIH =2V

– 200

µA

IIH

High-level input current

CDE0, CDE1, and CDE2

See Figure 3

VIH = 2 V

100

µA

IIL

Low level input current

BSR, A, DE/RE, and CRE

See Figure 3

VIL =0 8V

– 200

µA

IIL

Low-level input current

CDE0, CDE1, and CDE2

VIL = 0.8 V

100

µA

All drivers and receivers

disabled

BSR and CDE0 at 5 V,

Other inputs at 0 V

1.4

5

mA

ICC

Supply current

All receivers enabled

No load,

VID = 5 V,

All other inputs at 0 V

29

50

mA

All drivers enabled

BSR at 0 V,

No load,

All other inputs at 5 V

4.8

15

mA

Co

Bus-port output capacitance

B + or B –

16

pF

C d

Power dissipation capacitance‡

One driver

460

pF

Cpd

Power dissipation capacitance‡

One receiver

50

pF

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

‡ Cpd determines the no-load dynamic current consumption; IS = Cpd  VCC  f + ICC.

driver electrical characteristics over recommended ranges of operating conditions (unless

otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

|VOD |

Differential output voltage

Vtest = –7 V to 12 V,

See Figure 2

1

2

V

IOS

Output short-circuit current

See Figure 1

±250

mA

IOZ

High-impedance-state output current

See receiver input current