74HC221D datasheet(3/15 Pages) PHILIPS

部件名	74HC221D

功能描述	Dual non-retriggerable monostable multivibrator with reset

Download	15 Pages

Scroll/Zoom	100%

制造商	PHILIPS [NXP Semiconductors]

网页	http://www.nxp.com

标志

3 / 15 page

December 1990

3

Philips Semiconductors

Product speciﬁcation

Dual non-retriggerable monostable

multivibrator with reset

74HC/HCT221

ORDERING INFORMATION

See

“74HC/HCT/HCU/HCMOS Logic Package Information”.

PIN DESCRIPTION

PIN NO.

SYMBOL

NAME AND FUNCTION

1, 9

1A, 2A

trigger inputs (negative-edge triggered)

2, 10

1B, 2B

trigger inputs (positive-edge triggered)

3, 11

1RD, 2RD

direct reset inputs (active LOW)

4, 12

1Q, 2Q

outputs (active LOW)

72REXT/CEXT

external resistor/capacitor connection

8

GND

ground (0 V)

13, 5

1Q, 2Q

outputs (active HIGH)

14, 6

1CEXT, 2CEXT

external capacitor connection

15

1REXT/CEXT

external resistor/capacitor connection

16

VCC

positive supply voltage

Fig.1 Pin configuration.

Fig.2 Logic symbol.

Fig.3 IEC logic symbol.

类似零件编号 - 74HC221D

制造商	部件名	数据表	功能描述
NXP Semiconductors	74HC20	34Kb / 6P	Dual 4-input NAND gate December 1990
Silicon Supplies	74HC20	584Kb / 5P	High Speed CMOS Logic
Nexperia B.V. All right...	74HC20	217Kb / 11P	Dual 4-input NAND gate Rev. 6 - 5 February 2021
Nexperia B.V. All right...	74HC20-Q100	219Kb / 12P	Dual 4-input NAND gate
NXP Semiconductors	74HC20D	34Kb / 6P	Dual 4-input NAND gate December 1990

More results

类似说明 - 74HC221D

制造商	部件名	数据表	功能描述
Nexperia B.V. All right...	74HCT221	804Kb / 19P	Dual non-retriggerable monostable multivibrator with reset Rev. 3 - 26 October 2016
NXP Semiconductors	74HC_HCT221_CNV	250Kb / 15P	Dual non-retriggerable monostable multivibrator with reset December 1990
	74LV123	134Kb / 23P	Dual retriggerable monostable multivibrator with reset Rev. 05-8 November 2007
	74AHC123A	111Kb / 24P	Dual retriggerable monostable multivibrator with reset 2000 Mar 15
	74HC_HCT123	267Kb / 25P	Dual retriggerable monostable multivibrator with reset Rev. 9-19 January 2015
Nexperia B.V. All right...	74LV123	310Kb / 19P	Dual retriggerable monostable multivibrator with reset Rev. 9 - 13 September 2021
Nexperia B.V. All right...	74AHC123A-Q100	303Kb / 20P	Dual retriggerable monostable multivibrator with reset Rev. 2 - 17 June 2020
NXP Semiconductors	74AHC123A-Q100	326Kb / 22P	Dual retriggerable monostable multivibrator with reset Rev. 1-23 May 2013
	74LV423	156Kb / 16P	Dual retriggerable monostable multivibrator with reset 1997 Feb 04
	74AHC_AHCT123A	315Kb / 22P	Dual retriggerable monostable multivibrator with reset Rev. 4-8 November 2011