型号 功能描述 生产厂家 企业 LOGO 操作

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

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

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:2025-11-6 9:57:01
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
TI
25+
SOP
2650
原装优势!绝对公司现货
TI
25+23+
NA
17808
绝对原装正品全新进口深圳现货
RENESAS/瑞萨
23+
50000
全新原装正品现货,支持订货
MOT
24+
DIP
72
只做原装正品现货 欢迎来电查询15919825718
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、
HITACHI/日立
24+
SOP-16
20
只做原厂渠道 可追溯货源
TI
17+
NA
6200
100%原装正品现货
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
TW
00+
DIP16
263
全新原装100真实现货供应
TI
24+
SMD
20000
一级代理原装现货假一罚十

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