SN74F574DWR

更新时间： 2024-11-25 13:01:47

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
5页	72K
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SN74F574DWR 数据手册

SN74F574

OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOP

WITH 3-STATE OUTPUTS

SDFS005A – D3034, SEPTEMBER 1987 – REVISED OCTOBER 1993

DW OR N PACKAGE

(TOP VIEW)

• Eight D-Type Flip-Flops in a Single

Package

• 3-State Bus-Driving True Outputs

• Full Parallel Access for Loading

• Buffered Control Inputs

• Package Options Include Plastic

Small-Outline Packages and Standard

Plastic 300-mil DIPs

description

This 8-bit flip-flop features 3-state outputs

designed specifically for driving highly capacitive

or relatively low-impedance loads. It is particularly

suitable for implementing buffer registers, I/O

ports, bidirectional bus drivers, and working

registers.

GND 10

11 CLK

The eight flip-flops of the SN74F574 are edge-triggered D-type flip-flops. On the positive transition of the clock

(CLK) input, the Q outputs will be set to the logic levels that were set up at the data (D) inputs.

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 a high-impedance state. In the high-impedance state, the outputs neither load nor drive

the bus lines significantly. The high-impedance state and increased drive provide the capability to drive bus

lines without need for interface or pullup components.

The output enable (OE) does not affect the internal operations of the flip-flops. Old data can be retained or new

data can be entered while the outputs are in the high-impedance state.

The SN74F574 is characterized for operation from 0°C to 70°C.

FUNCTION TABLE

(each flip-flop)

INPUTS

OUTPUT

CLK

↑

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.

2–1

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5

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SN74F574DWR 替代型号

型号	品牌	替代类型	描述	数据表
SN74F574DWG4	TI	完全替代	Octal Edge-Triggered D-Type Flip-Flops With 3-State Outputs 20-SOIC 0 to 70
SN74F574NSR	TI	完全替代	Octal Edge-Triggered D-Type Flip-Flops With 3-State Outputs 20-SO 0 to 70
SN74F574DW	TI	类似代替	OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOP WITH 3-STATE OUTPUTS

与SN74F574DWR相关器件

型号	品牌	获取价格	描述	数据表
SN74F574DWRE4	TI	获取价格	Eight D-Type Flip-Flops in a Single Package
SN74F574DWRG4	TI	获取价格	F/FAST SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, GREEN, PLASTIC, SOP-20
SN74F574N	TI	获取价格	OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOP WITH 3-STATE OUTPUTS
SN74F574NE4	TI	获取价格	OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOP WITH 3-STATE OUTPUTS
SN74F574NSR	TI	获取价格	Octal Edge-Triggered D-Type Flip-Flops With 3-State Outputs 20-SO 0 to 70
SN74F574NSRE4	TI	获取价格	OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOP WITH 3-STATE OUTPUTS
SN74F574NSRG4	TI	获取价格	F/FAST SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, GREEN, PLASTIC, SOP-20
SN74F620DW	TI	获取价格	F/FAST SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PDSO20
SN74F620DW-00	TI	获取价格	F/FAST SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PDSO20
SN74F620DWR	TI	获取价格	F/FAST SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PDSO20

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