SN65LBC176A, SN75LBC176A

DIFFERENTIAL BUS TRANSCEIVERS

SLLS376C− MAY 2000 − REVISED DECEMBER 2000

4

POST OFFICE BOX 655303

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

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

VIK

Input clamp voltage

II = − 18 mA

−1.5

−0.8

V

SN65LBC176AQ

1.5

4

6

IO = 0

SN65LBC176A,

SN75LBC176A

4

V

SN65LBC176AQ

0.9

1.5

6

| VOD |

Differential output voltage

RL = 54 Ω,

See Figure 1

SN65LBC176A

1

1.5

3

V

| VOD |

Differential output voltage

RL = 54 Ω,

See Figure 1

SN75LBC176A

1.1

1.5

3

V

SN65LBC176AQ

0.9

1.5

6

V

Vtest = − 7 V to 12 V, See Figure 2

SN65LBC176A

1

1.5

3

V

Vtest = − 7 V to 12 V, See Figure 2

SN75LBC176A

1.1

1.5

3

V

∆| VOD |

Change in magnitude of

differential output voltage

See Figures 1 and 2

−0.2

0.2

V

Steady-state common-mode

SN65LBC176AQ

1.8

2.4

3

VOC(SS)

Steady-state common-mode

output voltage

See Figure 1

SN65LBC176A,

SN75LBC176A

1.8

2.4

2.8

V

Change in steady-state

See Figure 1

SN65LBC176AQ

−0.2

0.2

V

∆ VOC(SS)

Change in steady-state

common-mode output

voltage†

SN65LBC176A,

SN75LBC176A

−0.1

0.1

IOZ

High-impedance output

current

See receiver input currents

IIH

High-level enable input

current

VI = 2 V

−100

µA

IIL

Low-level enable input current

VI = 0.8 V

−100

µA

IOS

Short-circuit output current

− 7 V

≤ VO ≤ 12 V

−250

±70

250

mA

VI = 0 or VCC,

Receiver disabled and driver enabled

5

9

ICC

Supply current

VI = 0 or VCC,

No load

Receiver disabled and driver disabled

0.4

0.7

mA

ICC

Supply current

No load

Receiver enabled and driver enabled

8.5

15

mA

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

driver switching characteristics over recommended operating conditions (unless otherwise

noted)

PARAMETER

TEST

CONDITIONS

SN65LBC176AQ

SN65LBC176A

SN75LBC176A

UNIT

PARAMETER

CONDITIONS

MIN

TYP†

MAX

MIN

TYP†

MAX

UNIT

tPLH

Propagation delay time, low-to-high-level output

2

12

2

6

12

ns

tPHL

Propagation delay time, high-to-low-level output

RL = 54 Ω,

2

12

2

6

12

ns

tsk(p)

Pulse skew ( | tPLH − tPHL |)

RL = 54 Ω,

CL = 50 pF,

See Figure 3

2

0.3

1

ns

tr

Differential output signal rise time

CL = 50 pF,

See Figure 3

1.2

11

4

7.5

11

ns

tf

Differential output signal fall time

1.2

11

4

7.5

11

ns

tPZH

Propagation delay time, high-impedance-to-high-

level output

RL = 110 Ω,

See Figure 4

22

12

22

ns

tPZL

Propagation delay time, high-impedance-to-low-

level output

RL = 110 Ω,

See Figure 5

25

12

22

ns

tPHZ

Propagation delay time, high-level-to-high-

impedance output

RL = 110 Ω,

See Figure 4

22

12

22

ns

tPLZ

Propagation delay time, low-level-to-high-

impedance output

RL = 110 Ω,

See Figure 5

22

12

22

ns

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