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 9:09:01
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
FSC
25+
SOP3.9
3200
全新原装、诚信经营、公司现货销售
24+
N/A
80000
一级代理-主营优势-实惠价格-不悔选择
FAIRCHILD/仙童
25+
SOP16-5.2MM
600
全新原装正品支持含税
HIT
2023+
DIP-16
58000
进口原装,现货热卖
HD
05+
100
原装正品
TI
24+
SOP
6430
原装现货/欢迎来电咨询
mot
24+
N/A
6980
原装现货,可开13%税票
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
RENESAS(瑞萨)/IDT
24+
7350
现货供应,当天可交货!免费送样,原厂技术支持!!!

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