SN74ACT574DB

更新时间： 2024-09-30 23:03:11

品牌	Logo	应用领域
德州仪器 - TI		触发器输出元件
页数	文件大小	规格书
6页	100K
描述
OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS

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SN74ACT574DB 数据手册

SN54ACT574, SN74ACT574

OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS

WITH 3-STATE OUTPUTS

SCAS537C – OCTOBER 1995 – REVISED JANUARY 2000

SN54ACT574 . . . J OR W PACKAGE

SN74ACT574 . . . DB, DW, N, OR PW PACKAGE

(TOP VIEW)

Inputs Are TTL-Voltage Compatible

EPIC (Enhanced-Performance Implanted

CMOS) 1-µm Process

Package Options Include Plastic

Small-Outline (DW), Shrink Small-Outline

(DB), and Thin Shrink Small-Outline (PW)

Packages, Ceramic Chip Carriers (FK) and

Flatpacks (W), and Standard Plastic (N) and

Ceramic (J) DIPs

CLK

description

These 8-bit flip-flops feature 3-state outputs

designed specifically for driving highly capacitive

or relatively low-impedance loads. The devices

are particularly suitable for implementing buffer

registers, I/O ports, bidirectional bus drivers, and

working registers.

GND

SN54ACT574 . . . FK PACKAGE

(TOP VIEW)

The eight flip-flops of the ’ACT574 devices are

D-type edge-triggered flip-flops. On the positive

transition of the clock (CLK) input, the Q outputs

are set to the logic levels set up at the data (D)

inputs.

20 19

A buffered output-enable (OE) input can be used

to place the eight outputs in either a normal logic

state (high or low logic levels) or the

high-impedance state. In the high-impedance

state, the outputs neither load nor drive the bus

lines significantly. The high-impedance state and

the increased drive provide the capability to drive

bus lines in a bus-organized system without need

for interface or pullup components.

9 10 11 12 13

OE does not affect internal operations of the flip-flop. Old data can be retained or new data can be entered while

the outputs are in the high-impedance state.

The SN54ACT574 is characterized for operation over the full military temperature range of –55°C to 125°C. The

SN74ACT574 is characterized for operation from –40°C to 85°C.

FUNCTION TABLE

(each flip-flop)

INPUTS

OUTPUT

CLK

↑

H or L

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.

EPIC is a trademark of Texas Instruments Incorporated.

UNLESS OTHERWISE NOTED this document contains PRODUCTION

DATA information 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

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与SN74ACT574DB相关器件

型号	品牌	获取价格	描述	数据表
SN74ACT574DBLE	TI	获取价格	OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS
SN74ACT574DBR	TI	获取价格	OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS
SN74ACT574DBRE4	TI	获取价格	OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS
SN74ACT574DBRG4	TI	获取价格	OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS
SN74ACT574DW	TI	获取价格	OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS
SN74ACT574DWE4	TI	获取价格	OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS
SN74ACT574DWG4	TI	获取价格	OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS
SN74ACT574DWR	TI	获取价格	OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS
SN74ACT574DWRE4	TI	获取价格	OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS
SN74ACT574DWRG4	TI	获取价格	OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS

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