SN65LVDM176

HIGH-SPEED DIFFERENTIAL LINE TRANSCEIVER

SLLS320C – DECEMBER 1998 – REVISED MARCH 2000

7

POST OFFICE BOX 655303

driver switching characteristics over recommended operating conditions (unless otherwise

noted)

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

tPLH

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

0.5

1.7

2.7

ns

tPHL

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

RL = 50Ω,

0.5

1.7

2.7

ns

tsk(p)

Pulse skew (|tpHL – tpLH|)

RL = 50Ω,

CL = 10 pF,

0.2

ns

tr

Differential output signal rise time

See Figure 3

0.6

1

ns

tf

Differential output signal fall time

0.6

1

ns

tPZH

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

8

12

tPZL

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

See Figure 5

7

10

ns

tPHZ

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

See Figure 5

3

10

ns

tpLZ

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

4

10

† All typical values are at 25

°C and with a 3.3 V supply.

‡ tsk(lim) is the maximum delay time difference between drivers over temperature, VCC, and process.

receiver switching characteristics over recommended operating conditions (unless otherwise

noted)

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

tPLH

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

2.3

3.7

4.5

tPHL

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

C10 F

2.3

3.7

4.5

ns

tsk(p)

Pulse skew (|tpHL – tpLH|)

CL = 10 pF,

See Figure 7

0.4

tr

Output signal rise time

See Figure 7

0.8

1.5

ns

tf

Output signal fall time

0.8

1.5

ns

tPZH

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

3

10

tPZL

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

See Figure 8

3

10

ns

tPHZ

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

See Figure 8

4

10

ns

tPLZ

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

6

10

† All typical values are at 25

°C and with a 3.3-V supply.

‡ tsk(lim) is the maximum delay time difference between drivers over temperature, VCC, and process.

PARAMETER MEASUREMENT INFORMATION

driver

VOD

VOB

VOA

VOC

VI

IOA

IOB

II

D

B

A

V

OA )

V

OB

2

Driver Enabled

Figure 2. Driver Voltage and Current Definitions