型号 功能描述 生产厂家 企业 LOGO 操作

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

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 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

DN74LS221SD产品属性

  • 类型

    描述

  • 型号

    DN74LS221SD

  • 功能描述

    Logic IC

更新时间:2026-3-13 18:44:02
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
TI/德州仪器
2450+
NA
9850
只做原装正品现货或订货假一赔十!
FAIRCHILD/仙童
25+
SOP16-5.2MM
600
全新原装正品支持含税
TI
24+
SMD
20000
一级代理原装现货假一罚十
TI
DIP
96
一级代理,专注军工、汽车、医疗、工业、新能源、电力
MAT
25+
DIP
880000
明嘉莱只做原装正品现货
FSC
25+
SOP3.9
3200
全新原装、诚信经营、公司现货销售
TI
25+23+
25367
绝对原装正品全新进口深圳现货
Renesas Electronics Corporatio
24+25+
16500
全新原厂原装现货!受权代理!可送样可提供技术支持!
TI/德州仪器
24+
DIP
100
大批量供应优势库存热卖
TW
00+
DIP16
263
全新原装100真实现货供应

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