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:2026-3-2 16:41:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
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
TEXAS
24+
DIP16P
6868
原装现货,可开13%税票
TI
25+
DIP16
4500
全新原装、诚信经营、公司现货销售!
TI/德州仪器
22+
PDIP
12245
现货,原厂原装假一罚十!
TI
23+
DIP-16
5500
现货,全新原装
SN74LS221N
25+
30
30
TMS
06+
PDIP
1000
自己公司全新库存绝对有货
TI
22+
16DIP
9000
原厂渠道,现货配单
25+
DIP
2700
全新原装自家现货优势!
TI/德州仪器
21+
DIP
7500
全新原装长期特价销售

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