DM74AS573

更新时间： 2024-09-30 22:39:15

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		锁存器
页数	文件大小	规格书
6页	62K
描述
Octal D-Type Transparent Latch with 3-STATE Outputs

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中文翻译

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数据手册

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DM74AS573 数据手册

October 1986

Revised March 2000

DM74AS573

Octal D-Type Transparent Latch with 3-STATE Outputs

General Description

Features

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 driv-

ing the bus lines in a bus-organized system without need

for interface or pull-up components. They are particularly

attractive for implementing buffer registers, I/O ports, bidi-

rectional bus drivers, and working registers.

■ Switching specifications at 50 pF

■ Switching specifications guaranteed over full tempera-

ture and V_CCrange

■ Advanced oxide-isolated, ion-implanted Schottky TTL

process

■ Functionally equivalent with DM74S373

■ Improved AC performance over DM74S373 at approxi-

mately half the power

The eight latches of the DM74AS573 are transparent D-

type latches, meaning that while the enable (G) is HIGH

the Q outputs will follow the data (D) inputs. When the

enable is taken LOW the output will be latched at the level

of the data that was set UP.

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

■ Bus structured pinout

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 latches. That is, the old data can be retained or new

data can be entered even while the outputs are OFF.

The pin-out is arranged to ease printed circuit board layout.

All data inputs are on one side of the package while all the

outputs are on the other side.

Ordering Code:

Order Number Package Number

Package Description

DM74AS573WM

DM74AS573N

M20B

N20A

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

20-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

DS006313

www.fairchildsemi.com

12 3 4 5 6

中文翻译

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与DM74AS573相关器件

型号	品牌	获取价格	描述	数据表
DM74AS573J/A+	ETC	获取价格	8-Bit D-Type Latch
DM74AS573N	FAIRCHILD	获取价格	Octal D-Type Transparent Latch with 3-STATE Outputs
DM74AS573N/A+	ETC	获取价格	8-Bit D-Type Latch
DM74AS573N/B+	ETC	获取价格	8-Bit D-Type Latch
DM74AS573WM	FAIRCHILD	获取价格	Octal D-Type Transparent Latch with 3-STATE Outputs
DM74AS573WMX	FAIRCHILD	获取价格	8-Bit D-Type Latch
DM74AS574	FAIRCHILD	获取价格	Octal D-Type Edge-Triggered Flip-Flops with 3-STATE Outputs
DM74AS574J	NSC	获取价格	IC,FLIP-FLOP,OCTAL,D TYPE,AS-TTL,DIP,20PIN,CERAMIC
DM74AS574J/A+	NSC	获取价格	IC,FLIP-FLOP,OCTAL,D TYPE,AS-TTL,DIP,20PIN,CERAMIC
DM74AS574N	FAIRCHILD	获取价格	Octal D-Type Edge-Triggered Flip-Flops with 3-STATE Outputs

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