3

INDUSTRIALTEMPERATURERANGE

IDT74FST1632861

20-BIT, TWO PORT BUS SWITCH WITH RESISTOR

Symbol

Parameter

Min.

Max.

Unit

Control Input HIGH Voltage

Guaranteed Logic HIGH for Control Inputs

2

—

—

V

Control Input LOW Voltage

Guaranteed Logic LOW for Control Inputs

—

—

0.8

V

Control Input HIGH Current

——

±1µ A

Control Input LOW Current

—

—

±1

Current During

—

—

±1µ A

Bus Switch Disconnect

—

—

±1

Clamp Diode Voltage

—

–0.7

–1.2

V

Switch Power Off Leakage

—

—

±1µ A

Quiescent Power Supply Current

—

0.1

3

µ A

DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE

Following Conditions Apply Unless Otherwise Specified:

BUS SWITCH IMPEDANCE OVER OPERATING RANGE

Following Conditions Apply Unless Otherwise Specified:

Symbol

Parameter

Test Conditions

Min.

Typ.

(1)

Max.

Unit

Switch CONNECT Resistance,

20

28

40

Ω

A to B

(2)

20

35

48

Short Circuit Current, A to B

(3)

A(B) = 0V, B(A) = Vcc

100

—

—

mA

NOTES:

1. Typical values are at Vcc = 5.0V, +25°C ambient.

2. The voltage drop between the indicated ports divided by the current through the switch.

3. Not more than one output should be shorted at one time. Duration of the test should not exceed one second.