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4

Recommended Operating

Note 1: Absolute maximum ratings are values beyond which the device

may be damaged or have its useful life impaired. The databook specifica-

tions should be met, without exception, to ensure that the system design is

reliable over its power supply, temperature, and output/input loading vari-

ables. Fairchild does not recommended operation outside data book speci-

fications.

Note 2: Unused inputs must be used HIGH or LOW. They may not float.

Note 3: The maximum allowable values of Cx and Rx are a function of the

leakage of capacitor Cx, the leakage of the device, and leakage due to

board layout and surface resistance.

Susceptibility to externally induced noise signals may occur for Rx

> 1MΩ.

DC Electrical Characteristics

Note 4: Per Circuit

−0.5V to +7.0V

−0.5V to +7.0V

−0.5 to V

−20 mA

±20 mA

±25 mA

±50 mA

−65°C to 150°C

Soldering, 10 seconds

260

°C

Operating Temperature

−40° to +85°C

Input Rise and Fall Time

0

∼ 100 ns/V

0

∼ 20 ns/V

External Capacitor - Cx

No Limitation (Note 3) F

External Resistor - Rx

>5 kΩ (Note 3) (V

>1 kΩ (Note 3) (V

Symbol

Parameter

(V)

Units

Conditions

Min

Typ

Max

Min

Max

HIGH Level

2.0

1.50

1.50

V

Input Voltage

3.0

− 5.5

LOW Level

2.0

0.50

0.50

V

Input Voltage

3.0

− 5.5

HIGH Level

2.0

1.9

2.0

1.9

Output Voltage

3.0

2.9

3.0

2.9

V

4.5

4.4

4.5

4.4

3.0

2.58

2.48

V

4.5

3.94

3.80

LOW Level

2.0

0.0

0.1

0.1

V

Output Voltage

3.0

0.0

0.1

0.1

4.5

0.0

0.1

0.1

3.0

0.36

0.44

4.5

0.36

0.44

Input Leakage Current

0

− 5.5

±0.1

±1.0

µAV

Rx/Cx Terminal

5.5

±0.25

±2.50

µAV

Off-State Current

Quiescent Supply Current

5.5

4.0

40.0

µAV

Active—State (Note 4)

3.0

160

250

280

Supply Current

4.5

380

500

650

µA

Rx/Cx

= 0.5 V

CC

5.5

560

750

975