型号 功能描述 生产厂家 企业 LOGO 操作
HD74LS221

Dual Monostable Multivibrators

● Quadrupie 2-Input Positive NAND Gates ● Quadruple 2-Input Positive NAND Gates (with Open Collector Output) (Continue....)

HitachiHitachi Semiconductor

日立日立公司

HD74LS221

Dual Monostable Multivibrators

This multivibrator features a negative-transition-triggered input and a positive-transition-triggered input either of which can be used as an inhibit input. Pulse triggering occurs at a particular voltage level and is not directly related to the transition time of the input pulse. Schmitt-trigger

RENESAS

瑞萨

HD74LS221

Ouadruple 2-input Positive NAND Gates

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HitachiHitachi Semiconductor

日立日立公司

HD74LS221

Dual Monostable Multivibrators

RENESAS

瑞萨

HD74LS221

Dual Monostable Multivibrators

HitachiHitachi Semiconductor

日立日立公司

Dual Monostable Multivibrators

This multivibrator features a negative-transition-triggered input and a positive-transition-triggered input either of which can be used as an inhibit input. Pulse triggering occurs at a particular voltage level and is not directly related to the transition time of the input pulse. Schmitt-trigger

RENESAS

瑞萨

Dual Monostable Multivibrators

This multivibrator features a negative-transition-triggered input and a positive-transition-triggered input either of which can be used as an inhibit input. Pulse triggering occurs at a particular voltage level and is not directly related to the transition time of the input pulse. Schmitt-trigger

RENESAS

瑞萨

74LS221 Dual Non-Retriggerable One-Shot with Clear and Complementary Outputs

General Description The DM74LS221 is a dual monostable multivibrator with Schmitt-trigger input. Each device has three inputs permitting the choice of either leading-edge or trailing-edge triggering. Pin (A) is an active-LOW trigger transition input and pin (B) is an active-HIGH transition Sc

SYC

LOW POWER SCHOTTKY

Dual Monostable Multivibrators with Schmitt-Trigger inputs • SN74LS221 is a Dual Highly Stable One-Shot • Overriding Clear Terminates Output Pulse • Pin Out is Identical to SN74LS123

ONSEMI

安森美半导体

Dual Non-Retriggerable One-Shot with Clear and Complementary Outputs

General Description The DM74LS221 is a dual monostable multivibrator with Schmitt-trigger input. Each device has three inputs permitting the choice of either leading-edge or trailing-edge triggering. Pin (A) is an active-LOW trigger transition input and pin (B) is an active-HIGH transition Schm

Fairchild

仙童半导体

DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS

DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS Each multivibrator of the LS221 features a negative-transition-triggered input and a positive-transition-triggered inputeither of which can be used as an inhibit input. Pulse triggering occurs at a voltage level and is not related

Motorola

摩托罗拉

LOW POWER SCHOTTKY

Dual Monostable Multivibrators with Schmitt-Trigger inputs • SN74LS221 is a Dual Highly Stable One-Shot • Overriding Clear Terminates Output Pulse • Pin Out is Identical to SN74LS123

ONSEMI

安森美半导体

替换型号 功能描述 生产厂家 企业 LOGO 操作

Dual non-retriggerable monostable multivibrator with reset

Philips

飞利浦

Dual Non-Retriggerable Monostable Multivibrator

Fairchild

仙童半导体

Dual Monostable Multivibrators (with Schmitt Trigger Input)

HitachiHitachi Semiconductor

日立日立公司

High Speed CMOS Logic Dual Monostable Multivibrator with Reset

TI

德州仪器

LOW POWER SCHOTTKY

ONSEMI

安森美半导体

Dual Non-Retriggerable One-Shot with Clear and Complementary Outputs

Fairchild

仙童半导体

LOW POWER SCHOTTKY

ONSEMI

安森美半导体

DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS

TI

德州仪器

DUAL MONOSTABLE MULTIVIBRATPORS WITH SCHMITT-TRIGGER INPUTS

TI

德州仪器

DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS

TI

德州仪器

HD74LS221产品属性

  • 类型

    描述

  • 型号

    HD74LS221

  • 制造商

    Panasonic Industrial Company

  • 功能描述

    I.C.

更新时间:2026-1-2 14:31:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
24+
DIP
25
HITTITE
1922+
DIP
8600
莱克讯原厂货源每一片都来自原厂原装现货薄利多
HITACHI
91
SOP
1347
原装现货
HITACHI
23+
SOIC-16
65480
RENESAS
23+
DIP16
59128
##公司主营品牌长期供应100%原装现货可含税提供技术
HIT
24+
DIP-14
37500
原装正品现货,价格有优势!
HITACHI/日立
94+
SOP16
1316
原装正品
HITTILE
09+
DIP-16
119
一级代理,专注军工、汽车、医疗、工业、新能源、电力
RENESAS
原厂封装
9800
原装进口公司现货假一赔百
TI
2021+
HIT
6800
原厂原装,欢迎咨询

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