U74HCT20L-P14-T datasheet(3/4 Pages) UTC

Part #	U74HCT20L-P14-T

Description	DUAL 4-INPUT NAND GATES

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Manufacturer	UTC [Unisonic Technologies]

Direct Link	http://www.utc-ic.com

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U74HCT20

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

3 of 4

www.unisonic.com.tw

QW-R502-657.A

ABSOLUTE MAXIMUM RATING (unless otherwise specified)

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage

VCC

-0.5~7

V

Input Clamp Current

IIK

-20

mA

Output Clamp Current

IOK

±20

mA

Output Current

IOUT

±25

mA

VCC or GND Current

ICC

±50

mA

Storage Temperature

TSTG

-65 ~ +150

℃

Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.

Absolute maximum ratings are stress ratings only and functional device operation is not implied.

RECOMMENDED OPERATING CONDITIONS

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNIT

Supply Voltage

VCC

4.5

5.5

V

Input Voltage

VIN

0

Vcc

V

Output Voltage

VOUT

0

VCC

V

Input Transition Rise or Fall Rate

tR, tF

VCC=4.5V

500

ns

Operating Temperature

TA

-40

85

℃

STATIC CHARACTERISTICS (TA = 25°С)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

High-Level Input Voltage

VIH

VCC= 4.5V to 5.5V

2.0

V

Low-Level Input Voltage

VIL

VCC= 4.5V to 5.5V

0.8

V

VCC= 4.5V, IO = -20µA

4.4

4.999

High-Level Output Voltage

VOH

VCC= 4.5V, IO = -4mA

3.98

4.3

V

VCC= 4.5V, IO = 20µA

0.001

0.1

Low-Level Output Voltage

VOL

VCC= 4.5V, IO = 4mA

0.17

0.26

V

Input Leakage Current

II(LEAK)

VCC= 5.5V ,VIN = VCC or GND

±0.1

±100

nA

Quiescent Supply Current

ICC

VCC= 5.5V, VIN = VCC or GND, IO = 0

2

µA

Additional Quiescent Supply

Current

△

ICC

One input at VCC -2.1V,

other inputs at 0 or VCC

100

360

uA

Input Capacitance

CIN

VCC=4.5V~5.5V

3

10

pF

DYNAMIC CHARACTERISTICS (TA=25°С, Input: tR=tF=6ns, unless otherwise specified )

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Propagation delay from

Input(A or B) to Output(Y)

tPLH, tPHL VCC=4.5V, CL=50pF

16

28

ns

Output Transition Time

tt

VCC=4.5V, CL=50pF

7

15

ns

OPERATING CHARACTERISTICS (TA=25°С, unless otherwise specified)

PARAMETER

SYMBOL

TEST CONDITION

RATINGS

UNIT

Power Dissipation Capacitance

CPD

No Load

38

pF

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