SN65ALS176, SN75ALS176, SN75ALS176A, SN75ALS176B

DIFFERENTIAL BUS TRANSCEIVERS

SLLS040H – AUGUST 1987 – REVISED JUNE 2000

8

POST OFFICE BOX 655303

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

temperature range (unless otherwise noted)

SN65ALS176

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

tpd

Propagation time

VID = –1.5 V to 1.5 V,

See Figure 7

CL = 15 pF,

25

ns

tsk(p)

Pulse skew§

VID = –1.5 V to 1.5 V,

See Figure 7

CL = 15 pF,

0

2

ns

tsk(lim)

Pulse skew¶

RL = 54 Ω,

See Figure 3

CL = 50 pF,

15

ns

tPZH

Output enable time to high level

CL = 15 pF,

See Figure 8

11

18

ns

tPZL

Output enable time to low level

CL = 15 pF,

See Figure 8

11

18

ns

tPHZ

Output disable time from high level

CL = 15 pF,

See Figure 8

50

ns

tPLZ

Output disable time from low level

CL = 15 pF,

See Figure 8

30

ns

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

§ Pulse skew is defined as the |tPLH – tPHL| of each channel of the same device.

¶ Skew limit is the maximum difference in propagation delay times between any two channels of any two devices.

SN75ALS176, SN75ALS176A, SN75ALS176B

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

’ALS176

V

1 5Vt 1 5 V

C15 F

9

14

19

tpd

Propagation time

’ALS176A

VID = –1.5 V to 1.5 V,

See Figure 7

CL = 15 pF,

10.5

14

18

ns

’ALS176B

See Figure 7

11.5

13

16.5

tsk(p)

Pulse skew‡

VID = –1.5 V to 1.5 V,

See Figure 7

CL = 15 pF,

0

2

ns

§

’ALS176

R54

Ω

C50 F

10

tsk(lim)

Pulse skew§

’ALS176A

RL = 54 Ω,

See Figure 3

CL = 50 pF,

7.5

ns

()

’ALS176B

See Figure 3

5

tPZH

Output enable time to high level

CL = 15 pF,

See Figure 8

7

14

ns

tPZL

Output enable time to low level

CL = 15 pF,

See Figure 8

20

35

ns

tPHZ

Output disable time from high level

CL = 15 pF,

See Figure 8

20

35

ns

tPLZ

Output disable time from low level

CL = 15 pF,

See Figure 8

8

17

ns

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

‡ Pulse skew is defined as the |tPLH – tPHL| of each channel of the same device.

§ Skew limit is the maximum difference in propagation delay times between any two channels of any two devices.

PARAMETER MEASUREMENT INFORMATION

VOD2

VOC

RL

2

RL

2