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74LS244中文资料仙童半导体数据手册PDF规格书

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厂商型号

74LS244

功能描述

Octal 3-STATE Buffer/Line Driver/Line Receiver

文件大小

65.7 Kbytes

页面数量

6

生产厂商

Fairchild

中文名称

仙童半导体

网址

网址

数据手册

下载地址一下载地址二到原厂下载

更新时间

2025-11-2 12:08:00

人工找货

74LS244价格和库存,欢迎联系客服免费人工找货

74LS244规格书详情

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 input, they provide improved noise rejection and high fanout outputs and can be used to drive terminated lines down to 133Ω.

特性 Features

■ 3-STATE outputs drive bus lines directly

■ PNP inputs reduce DC loading on bus lines

■ Hysteresis at data inputs improves noise margins

■ Typical IOL (sink current) 24 mA

■ Typical IOH (source current) −15 mA

■ Typical propagation delay times

Inverting 10.5 ns

Noninverting 12 ns

■ Typical enable/disable time 18 ns

■ Typical power dissipation (enabled)

Inverting 130 mW

Noninverting 135 mW

产品属性

  • 型号:

    74LS244

  • 制造商:

    NTE Electronics

  • 制造商:

    NTE Electronics

  • 功能描述:

    Buffer/Line Driver 8-CH Non-Inverting 3-ST Bipolar 20-Pin DIP

供应商 型号 品牌 批号 封装 库存 备注 价格
FUJITSU
2016+
SOP
3000
只做原装,假一罚十,公司可开17%增值税发票!
询价
TI/TEXAS
NEW
N/A
8931
代理全系列销售,全新原装正品,价格优势,长期供应,量大可订
询价
TI
24+
DIP20
6000
全新原装深圳仓库现货有单必成
询价
SIG
24+
DIP
9600
原装现货,优势供应,支持实单!
询价
FSC
24+
80000
只做自己库存 全新原装进口正品假一赔百 可开13%增
询价
HITACHI/日立
23+
SO7.2
26441
原厂授权代理,海外优势订货渠道。可提供大量库存,详
询价
TI
SSOP
32
询价
TEXAS
25+
SOP20
601
原装现货热卖中,提供一站式真芯服务
询价
-
2447
DIP
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
TI/德州仪器
23+
SOP
50000
全新原装正品现货,支持订货
询价