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

更新时间:2026-1-2 14:26:03
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
TI
24+
SMD
20000
一级代理原装现货假一罚十
HIT
24+
SOP5.2
80000
只做自己库存 全新原装进口正品假一赔百 可开13%增
TI
DIP
96
一级代理,专注军工、汽车、医疗、工业、新能源、电力
TI
24+
DIP
2300
mot
24+
N/A
6980
原装现货,可开13%税票
TI
24+
con
10000
查现货到京北通宇商城
MOT
11+
DIP
62000
原装正品现货优势18
TI
24+
SOP
6430
原装现货/欢迎来电咨询
TI
24+
SOP
1500
原装现货假一罚十
TI/德州仪器
24+
DIP
100
大批量供应优势库存热卖

SN74LS221W数据表相关新闻