SN54HC174WR

更新时间： 2024-11-26 13:13:47

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德州仪器 - TI		触发器
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数据手册

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SN54HC174WR 数据手册

SN54HC174, SN74HC174

HEX D-TYPE FLIP-FLOPS

WITH CLEAR

SCLS119B – DECEMBER 1982 – REVISED MAY 1997

SN54HC174 . . . J OR W PACKAGE

SN74HC174 . . . D OR N PACKAGE

(TOP VIEW)

Contain Six Flip-Flops With Single-Rail

Outputs

Applications Include:

– Buffer/Storage Registers

– Shift Registers

CLR

CLK

– Pattern Generators

Package Options Include Plastic

Small-Outline (D) and Ceramic Flat (W)

Packages, Ceramic Chip Carriers (FK), and

Standard Plastic (N) and Ceramic (J)

300-mil DIPs

GND

description

SN54HC174 . . . FK PACKAGE

(TOP VIEW)

These monolithic positive-edge-triggered D-type

flip-flops have a direct clear (CLR) input.

Information at the data (D) inputs meeting the

setup time requirements is transferred to the

outputs on the positive-going edge of the clock

(CLK) pulse. Clock triggering occurs at a

particular voltage level and is not directly related

to the transition time of the positive-going edge of

CLK. When CLK is at either the high or low level,

the D input has no effect at the output.

20 19

18 6D

9 10 11 12 13

The SN54HC174 is characterized for operation

over the full military temperature range of –55°C

to 125°C. The SN74HC174 is characterized for

operation from –40°C to 85°C.

NC – No internal connection

FUNCTION TABLE

(each flip-flop)

INPUTS

OUTPUT

CLR

CLK

↑

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.

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.

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6

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