M74HC20 datasheet(1/9 Pages) STMICROELECTRONICS

部件名	M74HC20

功能描述	DUAL 4-INPUT NAND GATE

PDF	9 Pages

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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1 / 9 page

M54HC20

M74HC20

December 1992

DUAL 4-INPUT NAND GATE

B1R

(Plastic Package)

ORDER CODES :

M54HC20F1R

M74HC20M1R

M74HC20B1R

M74HC20C1R

F1R

(Ceramic Package)

M1R

(Micro Package)

C1R

(Chip Carrier)

PIN CONNECTIONS (top view)

NC =

No Internal

Connection

INPUT AND OUTPUT EQUIVALENT CIRCUIT

.

HIGH SPEED

tPD = 8 ns (TYP.) AT VCC =5 V

.

LOW POWER DISSIPATION

ICC =1

µA (MAX.) AT TA =25 °C

.

HIGH NOISE IMMUNITY

VNIH =VNIL =28 % VCC (MIN.)

.

OUTPUT DRIVE CAPABILITY

10 LSTTL LOADS

.

SYMMETRICAL OUTPUT IMPEDANCE

IOH =IOL = 4 mA (MIN.)

.

BALANCED PROPAGATION DELAYS

tPLH =tPHL

.

WIDE OPERATING VOLTAGE RANGE

VCC (OPR) = 2 V TO 6 V

.

PIN AND FUNCTION COMPATIBLE WITH

54/74LS20

The M54/74HC20 is a high speed CMOS DUAL 4-

INPUT NAND GATE fabricated in silicon gate

C

2MOS technology. It has the same high speed per-

formance of LSTTL combined with true CMOS low

power consumption.

The internal circuit is composed of 3 stages includ-

ing buffered output, which gives high noise immunity

and a stable output. All inputs are equipped with pro-

tection circuits against static discharge and transient

excess voltage.

DESCRIPTION

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类似零件编号 - M74HC20

制造商	部件名	数据表	功能描述
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制造商	部件名	数据表	功能描述
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