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:2025-11-4 15:10:01
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
TI
1728+
DIP16
6500
只做原装进口,假一罚十
MOTOROLA/摩托罗拉
23+
SOP
3000
一级代理原厂VIP渠道,专注军工、汽车、医疗、工业、
HD
05+
100
原装正品
TI
23+
DIP16
12500
受权代理!全新原装现货特价热卖!
HITACHI/日立
24+
SOP-16
20
只做原厂渠道 可追溯货源
MOT
24+
DIP
72
只做原装正品现货 欢迎来电查询15919825718
TI/德州仪器
2410+
4652
原装正品.假一赔百.正规渠道.原厂追溯.
TI
25+23+
NA
17808
绝对原装正品全新进口深圳现货
TI
17+
NA
6200
100%原装正品现货
TI/德州仪器
24+
DIP
100
大批量供应优势库存热卖

SN74LS221N/TI数据表相关新闻