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SN74ALS166N.A中文资料

厂家型号

SN74ALS166N.A

文件大小

728.78Kbytes

页面数量

20

功能描述

PARALLEL-LOAD 8-BIT SHIFT REGISTER

数据手册

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简称

TI2德州仪器

生产厂商

Texas Instruments

中文名称

美国德州仪器公司官网

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SN74ALS166N.A数据手册规格书PDF详情

Synchronous Load

Direct Overriding Clear

Parallel-to-Serial Conversion

Package Options Include Plastic

Small-Outline (D) and Shrink Small-Outline

(DB) Packages and Standard Plastic (N) DIP

description

The SN74ALS166 parallel-load 8-bit shift register

is compatible with most other TTL logic families.

All inputs are buffered to lower the drive

requirements. Input clamping diodes minimize

switching transients and simplify system design.

These parallel-in or serial-in, serial-out registers have a complexity of 77 equivalent gates on the chip. They

feature gated clocks (CLK and CLK INH) inputs and an overriding clear (CLR) input. The parallel-in or serial-in

modes are established by the shift/load (SH/LD) input. When high, SH/LD enables the serial data (SER) input

and couples the eight flip-flops for serial shifting with each clock pulse. When low, the parallel (broadside) data

(A–H) inputs are enabled and synchronous loading occurs on the next clock pulse. During parallel loading, serial

data flow is inhibited. Clocking is accomplished on the low-to-high-level edge of the clock pulse through a

two-input positive-NOR gate, permitting one input to be used as a clock-enable or clock-inhibit function. Holding

either of the clock inputs high inhibits clocking; holding either low enables the other clock input. This allows the

system clock to be free running and the register can be stopped on command with the clock input. CLK INH

should be changed to the high level only when CLK is high. The buffered CLR overrides all other inputs, including

CLK, and sets all flip-flops to zero.

The SN74ALS166 is characterized for operation from 0°C to 70°C.

更新时间:2025-7-23 15:14:00
供应商 型号 品牌 批号 封装 库存 备注 价格
TexasInstruments
18+
ICSHIFTREG8BITPARALL16-D
6800
公司原装现货/欢迎来电咨询!
24+
3000
自己现货
TI
97/98+
SOP
1433
原装现货海量库存欢迎咨询
TI
22+
NA
500000
万三科技,秉承原装,购芯无忧
TI/德州仪器
23+
SOP16
50000
全新原装正品现货,支持订货
TI/德州仪器
23+
SOP16
11200
原厂授权一级代理、全球订货优势渠道、可提供一站式BO
TI
SOP
68500
一级代理 原装正品假一罚十价格优势长期供货
TI/德州仪器
24+
SOP16
89
只供应原装正品 欢迎询价
TI/德州仪器
24+
NA/
3339
原厂直销,现货供应,账期支持!
TI/德州仪器
22+
SOP16
20000
原装现货,实单支持

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Texas Instruments 美国德州仪器公司

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德州仪器(Texas Instruments),简称TI,是全球领先的半导体公司,为现实世界的信号处理提供创新的数字信号处理(DSP)及模拟器件技术。除半导体业务外,还提供包括传感与控制、教育产品和数字光源处理解决方案。TI总部位于美国德克萨斯州的达拉斯,并在25多个国家设有制造、设计或销售机构。德州仪器是推动互联网时代不断发展的半导体引擎,作为实时技术的领导者,TI正在快速发展,在无线与宽带接入等大型市场及数码相机和数字音频等新兴市场方面,凭借性能卓越的半导体解决方案不断推动着互联网时代的前进步伐。TI预想未来世界的方方面面都渗透着TI产品的点点滴滴,每个电话、每次上网、拍的每张照片、听的每