Datasheet > 逻辑 > 总线驱动器/收发器> SN74HCT574DWR

SN74HCT574DWR

更新时间： 2024-11-23 05:17:23

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
16页	439K
描述
OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS

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替代型号

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SN74HCT574DWR 数据手册

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SCLS177E − MARCH 1984 − REVISED AUGUST 2003

SN54HCT574 . . . J OR W PACKAGE

SN74HCT574 . . . DB, DW, N, NS, OR PW PACKAGE

(TOP VIEW)

Operating Voltage Range of 4.5 V to 5.5 V

High-Current 3-State Noninverting Outputs

Drive Bus Lines Directly or Up To 15 LSTTL

Loads

Low Power Consumption, 80-µA Max I

Typical t = 22 ns

17 3Q

16 4Q

15 5Q

14 6Q

13 7Q

12 8Q

11 CLK

6-mA Output Drive at 5 V

Low Input Current of 1 µA Max

Inputs Are TTL-Voltage Compatible

Bus-Structured Pinout

description/ordering information

GND 10

These octal edge-triggered D-type flip-flops

feature 3-state outputs designed specifically for

bus driving. The ’HCT574 devices are particularly

suitable for implementing buffer registers, I/O

ports, bidirectional bus drivers, and working

registers.

SN54HCT574 . . . FK PACKAGE

(TOP VIEW)

20 19

The eight flip-flops enter data on the low-to-high

transition of the clock (CLK) input.

15 5Q

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

increased drive provide the capability to drive bus

lines without interface or pullup components.

9 10 11 12 13

ORDERING INFORMATION

ORDERABLE

PART NUMBER

TOP-SIDE

MARKING

†

PACKAGE

PDIP − N

Tube of 20

Tube of 25

Reel of 2000

Tube of 70

Reel of 2000

Reel of 250

Tube of 20

Tube of 85

Tube of 55

SN74HCT574N

SN74HCT574DW

SN74HCT574DWR

SN74HCT574NSR

SN74HCT574DBR

SN74HCT574PW

SN74HCT574PWR

SN74HCT574PWT

SNJ54HCT574J

SOIC − DW

HCT574

SOP − NS

HCT574

HT574

−40°C to 85°C

SSOP − DB

TSSOP − PW

HT574

CDIP − J

CFP − W

LCCC − FK

SNJ54HCT574J

SNJ54HCT574W

SNJ54HCT574FK

SNJ54HCT574W

SNJ54HCT574FK

−55°C to 125°C

†

Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are

available at www.ti.com/sc/package.

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.

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ꢦꢣ ꢥ ꢣ ꢠ ꢡ ꢘ ꢡ ꢥ ꢛ ꢩ

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7...16

中文翻译

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SN74HCT574DWR 替代型号

型号	品牌	替代类型	描述	数据表
SN74HCT574DWRG4	TI	完全替代	具有三态输出的八路边沿触发式 D 型触发器 \| DW \| 20 \| -40 to 85
SN74HCT574DWRE4	TI	完全替代	OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS

与SN74HCT574DWR相关器件

型号	品牌	获取价格	描述	数据表
SN74HCT574DWR-00	TI	获取价格	HCT SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20
SN74HCT574DWRE4	TI	获取价格	OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS
SN74HCT574DWRG4	TI	获取价格	具有三态输出的八路边沿触发式 D 型触发器 \| DW \| 20 \| -40 to 85
SN74HCT574FH	TI	获取价格	IC,FLIP-FLOP,OCTAL,D TYPE,HCT-CMOS,LLCC,20PIN,CERAMIC
SN74HCT574J4	ROCHESTER	获取价格	Bus Driver
SN74HCT574N	TI	获取价格	OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS
SN74HCT574N3	TI	获取价格	OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS
SN74HCT574NE4	TI	获取价格	OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS
SN74HCT574NP1	TI	获取价格	IC,FLIP-FLOP,OCTAL,D TYPE,HCT-CMOS,DIP,20PIN,PLASTIC
SN74HCT574NP1	ROCHESTER	获取价格	Bus Driver

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