DM74ALS574A

更新时间： 2024-11-03 22:56:51

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		触发器
页数	文件大小	规格书
7页	75K
描述
Octal D-Type Edge-Triggered Flip-Flop with 3-STATE Outputs

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中文翻译

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数据手册

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DM74ALS574A 数据手册

September 1986

Revised February 2000

DM74ALS574A

Octal D-Type Edge-Triggered Flip-Flop

with 3-STATE Outputs

General Description

Features

■ Switching specifications at 50 pF

These 8-bit registers feature totem-pole 3-STATE outputs

designed specifically for driving highly-capacitive or rela-

tively low-impedance loads. The high-impedance state and

increased high-logic-level drive provide these registers with

the capability of being connected directly to and driving the

bus lines in a bus-organized system without need for inter-

face or pull-up components. They are particularly attractive

for implementing buffer registers, I/O ports, bidirectional

bus drivers, and working registers.

■ Switching specifications guaranteed over full tempera-

ture and V_CCrange

■ Advanced oxide-isolated, ion-implanted Schottky TTL

process

■ Functionally equivalent with DM74LS374

■ Improved AC performance over DM74LS374 at approxi-

mately half the power

The eight flip-flops of the DM74ALS574A are edge-trig-

gered D-type flip-flops. On the positive transition of the

clock, the Q outputs will be set to the logic states that were

set up at the D inputs.

■ 3-STATE buffer-type outputs drive bus lines directly

A buffered output control input can be used to place the

eight outputs in either a normal logic state (HIGH or LOW

logic levels) or a high-impedance state. In the high-imped-

ance state the outputs neither load nor drive the bus lines

significantly.

The output control does not affect the internal operation of

the flip-flops. That is, the old data can be retained or new

data can be entered even while the outputs are OFF.

Ordering Code:

Order Number

DM74ALS574AWM

DM74ALS574ASJ

DM74ALS574AN

Package Number

M20B

Package Description

20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide

20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide

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

M20D

N20A

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

Connection Diagram

DS006110

www.fairchildsemi.com

12 3 4 5 6 7

中文翻译

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与DM74ALS574A相关器件

型号	品牌	获取价格	描述	数据表
DM74ALS574AN	FAIRCHILD	获取价格	Octal D-Type Edge-Triggered Flip-Flop with 3-STATE Outputs
DM74ALS574AN/A+	TI	获取价格	IC,FLIP-FLOP,OCTAL,D TYPE,ALS-TTL,DIP,20PIN,PLASTIC
DM74ALS574AN/B+	ETC	获取价格	Octal D-Type Flip-Flop
DM74ALS574AN_NL	FAIRCHILD	获取价格	Bus Driver, ALS Series, 1-Func, 8-Bit, True Output, TTL, PDIP20, 0.300 INCH, LEAD FREE, PL
DM74ALS574ASJ	FAIRCHILD	获取价格	Octal D-Type Edge-Triggered Flip-Flop with 3-STATE Outputs
DM74ALS574ASJX	FAIRCHILD	获取价格	Octal D-Type Flip-Flop
DM74ALS574ASJX_NL	FAIRCHILD	获取价格	D Flip-Flop, 8-Func, Positive Edge Triggered, TTL, PDSO20,
DM74ALS574AWM	FAIRCHILD	获取价格	Octal D-Type Edge-Triggered Flip-Flop with 3-STATE Outputs
DM74ALS574AWM/A+	ETC	获取价格	Octal D-Type Flip-Flop
DM74ALS574AWM/B+	ETC	获取价格	Octal D-Type Flip-Flop

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