SN65LVDM179, SN65LVDM180, SN65LVDM050, SN65LVDM051

HIGH-SPEED DIFFERENTIAL LINE DRIVERS AND RECEIVERS

SLLS324B – DECEMBER 1998 – REVISED MARCH 2000

6

POST OFFICE BOX 655303

receiver electrical characteristics over recommended operating conditions (unless otherwise

noted)

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

VITH+

Positive-going differential input voltage threshold

See Figure 5 and Table 1

100

mV

VITH–

Negative-going differential input voltage threshold

See Figure 5 and Table 1

–100

mV

VOH

High-level output voltage

IOH = –8 mA

2.4

V

VOL

Low-level output voltage

IOL = 8 mA

0.4

V

II

Input current (A or B inputs)

VI = 0

–2

–11

–20

µA

II

Input current (A or B inputs)

VI = 2.4 V

–1.2

–3

µA

II(OFF)

Power-off input current (A or B inputs)

VCC = 0

±20

µA

IIH

High-level input current (enables)

VIH = 5 V

10

µA

IIL

Low-level input current (enables)

VIL = 0.8 V

10

µA

IOZ

High-impedance output current

VO = 0 or 5 V

±10

µA

CI

Input capacitance

5

pF

† All typical values are at 25

°C and with a 3.3-V supply.

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

1.7

2.7

ns

tPHL

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

1.7

2.7

ns

tr

Differential output signal rise time

RL = 50Ω,

CL 10 pF

0.6

1

ns

tf

Differential output signal fall time

CL = 10 pF,

See Figure 6

0.6

1

ns

tsk(p)

Pulse skew (|tpHL – tpLH|)

See Figure 6

250

ps

tsk(o)

Channel-to-channel output skew‡

100

ps

tPZH

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

6

10

ns

tPZL

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

See Figure 7

6

10

ns

tPHZ

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

See Figure 7

4

10

ns

tpLZ

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

5

10

ns

† All typical values are at 25

°C and with a 3.3-V supply.

‡ tsk(o) is the maximum delay time difference between drivers on the same device.