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:2025-11-4 20:00:01
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
RENESAS/瑞萨
24+
NA/
3295
原装现货,当天可交货,原型号开票
TI
DIP
96
一级代理,专注军工、汽车、医疗、工业、新能源、电力
ON/安森美
18+
SOP-16
12500
全新原装正品,本司专业配单,大单小单都配
MOT
25+
SOP
3200
全新原装、诚信经营、公司现货销售
TI/德州仪器
24+
DIP
100
大批量供应优势库存热卖
TI
24+
SMD
20000
一级代理原装现货假一罚十
HD
05+
100
原装正品
TI
25+23+
NA
17808
绝对原装正品全新进口深圳现货
HITACHI/日立
24+
SOP-16
20
只做原厂渠道 可追溯货源
TI/德州仪器
2410+
4652
原装正品.假一赔百.正规渠道.原厂追溯.

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