SN74HC166

更新时间： 2024-11-22 23:03:11

品牌	Logo	应用领域
德州仪器 - TI		移位寄存器
页数	文件大小	规格书
9页	136K
描述
8-BIT PARALLEL-LOAD SHIFT REGISTERS

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替代型号

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SN74HC166 数据手册

SN54HC166, SN74HC166

8-BIT PARALLEL-LOAD SHIFT REGISTERS

SCLS117B – DECEMBER 1982 – REVISED MAY 1997

SN54HC166 . . . J OR W PACKAGE

SN74HC166 . . . D OR N PACKAGE

(TOP VIEW)

Synchronous Load

Direct Overriding Clear

Parallel-to-Serial Conversion

SER

SH/LD

Package Options Include Plastic

Small-Outline (D) and Ceramic Flat (W)

Packages, Ceramic Chip Carriers (FK), and

Standard Plastic (N) and Ceramic (J)

300-mil DIPs

CLK INH

CLK

description

GND

CLR

The ’HC166 parallel-in or serial-in, serial-out

registers feature gated clock (CLK, 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 (SER) data input and couples

the eight flip-flops for serial shifting with each

clock (CLK) pulse. When low, the parallel

(broadside) data 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 CLK through a 2-input

positive-NORgate permitting one input to be used

asaclock-enableorclock-inhibitfunction. Holding

either CLK or CLK INH 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 other clock input. CLK INH should be changed

to the high level only when CLK is high. CLR

overrides all other inputs, including CLK, and

resets all flip-flops to zero.

SN54HC166 . . . FK PACKAGE

(TOP VIEW)

20 19

CLK INH

9 10 11 12 13

NC – No internal connection

The SN54HC166 is characterized for operation over the full military temperature range of –55°C to 125°C. The

SN74HC166 is characterized for operation from –40°C to 85°C.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7...9

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SN74HC166 替代型号

型号	品牌	替代类型	描述	数据表
SN54HC166	TI	功能相似	8-BIT PARALLEL-LOAD SHIFT REGISTERS

与SN74HC166相关器件

型号	品牌	获取价格	描述	数据表
SN74HC166A-EP	TI	获取价格	8-BIT PARALLEL-LOAD SHIFT REGISTER
SN74HC166AIDREP	TI	获取价格	8-BIT PARALLEL-LOAD SHIFT REGISTER
SN74HC166AIDRQ1	TI	获取价格	8-BIT PARALLEL-LOAD SHIFT REGISTER
SN74HC166AIPWRG4Q1	TI	获取价格	汽车类 8 位并联负载移位寄存器 \| PW \| 16 \| -40 to 125
SN74HC166A-Q1	TI	获取价格	汽车类 8 位并联负载移位寄存器
SN74HC166D	TI	获取价格	8-BIT PARALLEL-LOAD SHIFT REGISTERS
SN74HC166D-00	TI	获取价格	HC/UH SERIES, 8-BIT RIGHT PARALLEL IN SERIAL OUT SHIFT REGISTER, TRUE OUTPUT, PDSO16
SN74HC166D3	TI	获取价格	IC IC,SHIFT REGISTER,HC-CMOS,SOP,16PIN,PLASTIC, Shift Register
SN74HC166DBR	TI	获取价格	8-BIT PARALLEL-LOAD SHIFT REGISTERS
SN74HC166DBRE4	TI	获取价格	8-BIT PARALLEL-LOAD SHIFT REGISTERS

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