TC74VHC21FK datasheet(3/9 Pages) TOSHIBA

Part #	TC74VHC21FK

Description	Dual 4-Input AND Gate

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Manufacturer	TOSHIBA [Toshiba Semiconductor]

Direct Link	http://www.semicon.toshiba.co.jp/eng

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TC74VHC21F/FN/FT/FK

2008-05-01

3

Operating Ranges (Note)

Characteristics

Symbol

Rating

Unit

Supply voltage

VCC

2.0 to 5.5

V

Input voltage

VIN

0 to 5.5

V

Output voltage

VOUT

0 to VCC

V

Operating temperature

Topr

−40 to 85

°C

Input rise and fall time

dt/dv

0 to 100 (VCC = 3.3 ± 0.3 V)

0 to 20 (VCC = 5 ± 0.5 V)

ns/V

Note:

The operating ranges must be maintained to ensure the normal operation of the device.

Unused inputs must be tied to either VCC or GND.

Electrical Characteristics

DC Characteristics

Test Condition

Ta = 25°C

Ta

=

−40 to 85°C

Characteristics

Symbol

VCC (V)

Min

Typ.

Max

Min

Max

Unit

High-level input

voltage

VIH

⎯

2.0

3.0 to

5.5

1.50

VCC ×

0.7

⎯

1.50

VCC ×

0.7

⎯

V

Low-level input

voltage

VIL

⎯

2.0

3.0 to

5.5

⎯

0.50

VCC ×

0.3

⎯

0.50

VCC ×

0.3

V

IOH = −50 μA

2.0

3.0

4.5

1.9

2.9

4.4

2.0

3.0

4.5

⎯

1.9

2.9

4.4

⎯

High-level output

voltage

VOH

VIN = VIH

IOH = −4 mA

IOH = −8 mA

3.0

4.5

2.58

3.94

⎯

2.48

3.80

⎯

V

IOL = 50 μA

2.0

3.0

4.5

⎯

0.0

0.1

⎯

0.1

Low-level output

voltage

VOL

VIN

= VIH or VIL

IOL = 4 mA

IOL = 8 mA

3.0

4.5

⎯

0.36

⎯

0.44

V

Input leakage

current

IIN

VIN = 5.5 V or GND

0 to 5.5

⎯

±0.1

⎯

±1.0

μA

Quiescent supply

current

ICC

VIN = VCC or GND

5.5

⎯

2.0

⎯

20.0

μA

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