型号 功能描述 生产厂家 企业 LOGO 操作
SN74LS221J

DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUT

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TI

德州仪器

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

Dual Monostable Multivibrators

HitachiHitachi Semiconductor

日立日立公司

Ouadruple 2-input Positive NAND Gates

HitachiHitachi Semiconductor

日立日立公司

Dual Monostable Multivibrators

RENESAS

瑞萨

Dual Monostable Multivibrators

RENESAS

瑞萨

DUAL MONOSTABLE MULTIVIBRATPORS WITH SCHMITT-TRIGGER INPUTS

TI

德州仪器

DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS

TI

德州仪器

LOW POWER SCHOTTKY

ONSEMI

安森美半导体

DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS

TI

德州仪器

SN74LS221J产品属性

  • 类型

    描述

  • 型号

    SN74LS221J

  • 制造商

    ONS

  • 功能描述

    ON SEMICONDUCTOR NXC7D

更新时间:2025-11-18 11:37:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
TI
23+
DIP16
20000
全新原装假一赔十
TI/德州仪器
22+
PDIP
12245
现货,原厂原装假一罚十!
TI/德州仪器
24+
DIP
9600
原装现货,优势供应,支持实单!
TI/德州仪器
23+
CDIP16
11200
原厂授权一级代理、全球订货优势渠道、可提供一站式BO
TI
25+
DIP16
4690
百分百原装正品 真实公司现货库存 本公司只做原装 可
ON
2023+
3000
进口原装现货
TI/德州仪器
2447
UNKNOWN
100500
一级代理专营品牌!原装正品,优势现货,长期排单到货
TI/德州仪器
24+
SOP窄体
1681
只供应原装正品 欢迎询价
TI/德州仪器
23+
DIP-16
50000
全新原装正品现货,支持订货
TI
23+
DIP-16
5500
现货,全新原装

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