DM74LS166MX

更新时间： 2024-11-23 13:07:23

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		移位寄存器
页数	文件大小	规格书
6页	81K
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数据手册
替代型号

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DM74LS166MX 数据手册

August 1986

Revised March 2000

DM74LS166

8-Bit Parallel-In/Serial-Out Shift Register

Clocking is accomplished on the LOW-to-HIGH level edge

of the clock pulse through a two-input NOR gate, permitting

one input to be used as a clock-enable or clock-inhibit func-

tion. Holding either of the clock inputs HIGH inhibits clock-

ing; 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.

The clock-inhibit input should be changed to the high level

only while the clock input is HIGH. A buffered, direct clear

input overrides all other inputs, including the clock, and

sets all flip-flops to zero.

General Description

These parallel-in or serial-in, serial-out shift registers fea-

ture gated clock inputs and an overriding clear input. All

inputs are buffered to lower the drive requirements to one

normalized load, and input clamping diodes minimize

switching transients to simplify system design. The load

mode is established by the shift/load input. When HIGH,

this input enables the serial data input and couples the

eight flip-flops for serial shifting with each clock 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.

Ordering Code:

Order Number Package Number

Package Description

DM74LS166M

DM74LS166WM

DM74LS166N

M16A

M16B

N16E

16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow

16-Lead Small Outline Intergrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide

16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide

Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Connection Diagram

DS006400

www.fairchildsemi.com

12 3 4 5 6

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DM74LS166MX 替代型号

型号	品牌	替代类型	描述	数据表
SN74LS166ADRE4	TI	功能相似	PARALLEL-LOAD 8-BIT SHIFT REGISTERS
SN74LS166ADE4	TI	功能相似	PARALLEL-LOAD 8-BIT SHIFT REGISTERS
SN74LS166AD	TI	功能相似	PARALLEL-LOAD 8-BIT SHIFT REGISTERS

与DM74LS166MX相关器件

型号	品牌	获取价格	描述	数据表
DM74LS166N	FAIRCHILD	获取价格	8-Bit Parallel-In/Serial-Out Shift Register
DM74LS166N	TI	获取价格	LS SERIES, 8-BIT RIGHT PARALLEL IN SERIAL OUT SHIFT REGISTER, TRUE OUTPUT, PDIP16, PLASTIC
DM74LS166N/A+	TI	获取价格	IC,SHIFT REGISTER,LS-TTL,DIP,16PIN,PLASTIC
DM74LS166N/B+	TI	获取价格	IC,SHIFT REGISTER,LS-TTL,DIP,16PIN,PLASTIC
DM74LS166WM	FAIRCHILD	获取价格	8-Bit Parallel-In/Serial-Out Shift Register
DM74LS166WM	TI	获取价格	LS SERIES, 8-BIT RIGHT PARALLEL IN SERIAL OUT SHIFT REGISTER, TRUE OUTPUT, PDSO16
DM74LS166WMX	TI	获取价格	LS SERIES, 8-BIT RIGHT PARALLEL IN SERIAL OUT SHIFT REGISTER, TRUE OUTPUT, PDSO16, 0.300 I
DM74LS168AJ/A+	ETC	获取价格	Synchronous Up/Down Counter
DM74LS168AN/A+	ETC	获取价格	Synchronous Up/Down Counter
DM74LS168AN/B+	ETC	获取价格	Synchronous Up/Down Counter

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