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74LS221N

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

文件:193.87 Kbytes 页数:7 Pages

MOTOROLA

摩托罗拉

74LS240

Octal 3-STATE Buffer/Line Driver/Line Receiver

General Description These buffers/line drivers are designed to improve both the performance and PC board density of 3-STATE buffers/ drivers employed as memory-address drivers, clock driv ers, and bus-oriented transmitters/receivers. Featuring 400 mV of hysteresis at each low current PNP data l

文件:72.21 Kbytes 页数:7 Pages

FAIRCHILD

仙童半导体

74LS240

LOW POWER SCHOTTKY

The SN74LS240 and SN74LS244 are Octal Buffers and Line Drivers designed to be employed as memory address drivers, clock drivers and bus-oriented transmitters/receivers which provide improved PC board density. • Hysteresis at Inputs to Improve Noise Margins • 3-State Outputs Drive Bus Lines

文件:122.25 Kbytes 页数:8 Pages

ONSEMI

安森美半导体

74LS240

Octal Buffers/Line Drivers/Line Receivers(inverted three-state outputs)

● Quadrupie 2-Input Positive NAND Gates ● Quadruple 2-Input Positive NAND Gates (with Open Collector Output) (Continue....)

文件:53.17 Kbytes 页数:5 Pages

HITACHIHitachi Semiconductor

日立日立公司

74LS240-1

Octal 3-STATE Buffer/Line Driver/Line Receiver

General Description These buffers/line drivers are designed to improve both the performance and PC board density of 3-STATE buffers/ drivers employed as memory-address drivers, clock drivers, and bus-oriented transmitters/receivers. Featuring 400 mV of hysteresis at each low current PNP data

文件:137.69 Kbytes 页数:7 Pages

SYC

74LS241

OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS

OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS The SN54/74LS240, 241 and 244 are Octal Buffers and Line Drivers designed to be employed as memory address drivers, clock drivers and bus-oriented transmitters/receivers which provide improved PC board density. • Hysteresis at Inputs to Impro

文件:191.82 Kbytes 页数:6 Pages

MOTOROLA

摩托罗拉

74LS241

Octal Buffers/Line Drivers/Line Receivers

Octal Buffers/Line Drivers/Line Receivers (non inverted three-state outputs)

文件:54.05 Kbytes 页数:5 Pages

HITACHIHitachi Semiconductor

日立日立公司

74LS241

Octal 3-STATE Buffer/Line Driver/Line Receiver

General Description These buffers/line drivers are designed to improve both the performance and PC board density of 3-STATE buffers/ drivers employed as memory-address drivers, clock driv ers, and bus-oriented transmitters/receivers. Featuring 400 mV of hysteresis at each low current PNP data l

文件:72.21 Kbytes 页数:7 Pages

FAIRCHILD

仙童半导体

74LS243

Quadruple Bus Transceiver

General Description This four data line transceiver is designed for asynchronous two-way communications between data buses. It can be used to drive terminated lines down to 133Ω. Features ■ Two-way asynchronous communication between data buses ■ PNP inputs reduce DC loading on bus li

文件:52.64 Kbytes 页数:5 Pages

FAIRCHILD

仙童半导体

74LS244

Octal 3-STATE Buffer/Line Driver/Line Receiver

General Description These buffers/line drivers are designed to improve both the performance and PC board density of 3-STATE buffers/drivers employed as memory-address drivers, clock drivers, and bus-oriented transmitters/receivers. Featuring 400 mV of hysteresis at each low current PNP data line

文件:65.7 Kbytes 页数:6 Pages

FAIRCHILD

仙童半导体

详细参数

  • 型号:

    74LS

  • 制造商:

    ONSEMI

  • 制造商全称:

    ON Semiconductor

  • 功能描述:

    SYNCHRONOUS 4-BIT UP/DOWN COUNTER

供应商型号品牌批号封装库存备注价格
GS
25+
SOP14
51
旗舰店
询价
ALTEAR直供
BGA
2800
莱克讯每片来自原厂!价格超越代理!只做进口原装!
询价
TI
25+
CDIP20
8880
原装认准芯泽盛世!
询价
SA
25+
DIP20
18000
原厂直接发货进口原装
询价
TI
04+
SOP/14
50
原装现货海量库存欢迎咨询
询价
TI
23+
DIP20
12700
买原装认准中赛美
询价
TI
2021
BGA
1000
全新、原装
询价
SIG
21+
DIP-20
1638
只做原装正品,不止网上数量,欢迎电话微信查询!
询价
TI
24+
CDIP
9000
只做原装正品 有挂有货 假一赔十
询价
TI/德州仪器
2447
4
100500
一级代理专营品牌!原装正品,优势现货,长期排单到货
询价
更多74LS供应商 更新时间2026-1-26 10:16:00