DS8921, DS8921A, DS8921AT

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SNLS374C – MAY 1998 – REVISED APRIL 2013

DS8921/DS8921A Electrical Characteristics

(1) (2) (3)

Symbol

Conditions

Min

Typ

Max

Units

RECEIVER

−200

±35

+200

mV

15

70

mV

4.0

6.0

k

Ω

(Other Input = GND)

3.25

mA

−3.25

mA

2.5

V

0.5

V

−15

−100

mA

DRIVER

2.0

V

0.8

V

−40

−200

μA

20

μA

100

μA

−1.5

V

2.5

V

0.5

V

100

μA

0.4

V

2.0

V

0.4

V

−30

−150

mA

DRIVER and RECEIVER

35

mA

(1)

All currents into device pins are shown as positive values; all currents out of the device are shown as negative; all voltages are

referenced to ground unless otherwise specified. All values shown as max or min are classified on absolute value basis.

(2)

(3)

Only one output at a time should be shorted.

Receiver Switching Characteristics

Symbol

Conditions

Min

Typ

Max

Units

8921

8921A

8921AT

14

22.5

20

20

ns

(Figure 1 and Figure 2 )

14

22.5

20

20

ns

(Figure 1 and Figure 2)

0.5

5

3.5

5

ns

(Figure 1 and Figure 2 )

Driver Switching Characteristics

SINGLE ENDED CHARACTERISTICS

Symbol

Conditions

Min

Typ

Max

Units

8921

8921A

8921AT

10

15

15

15

ns

(Figure 3 and Figure 4)

10

15

15

15

ns

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