Datasheet > 逻辑 > 触发器/锁存器> M38510/65352B2A

M38510/65352B2A

更新时间： 2024-11-05 11:07:59

品牌	Logo	应用领域
德州仪器 - TI		触发器锁存器
页数	文件大小	规格书
5页	103K
描述
具有清零和预置端的双路负边沿触发式 D 型触发器 \| FK \| 20 \| -55 to 125

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M38510/65352B2A 数据手册

SN54HCT74, SN74HCT74

DUAL D-TYPE POSITIVE-EDGE-TRIGGERED FLIP-FLOPS

WITH CLEAR AND PRESET

SCLS169B – DECEMBER 1982 – REVISED MAY 1997

SN54HCT74 . . . J OR W PACKAGE

SN74HCT74 . . . D, N, OR PW PACKAGE

(TOP VIEW)

Inputs Are TTL-Voltage Compatible

Package Options Include Plastic

Small-Outline (D), Thin Shrink

Small-Outline (PW), and Ceramic Flat (W)

Packages, Ceramic Chip Carriers (FK), and

Standard Plastic (N) and Ceramic (J)

300-mil DIPs

1CLR

2CLR

1CLK

1PRE

2CLK

10 2PRE

description

The ’HCT74 contain two independent D-type

positive-edge-triggered flip-flops. A low level at

the preset (PRE) or clear (CLR) inputs sets or

resets the outputs regardless of the levels of the

other inputs. When PRE and CLR are inactive

(high), data at the data (D) input meeting the setup

time requirements are transferred to the outputs

on the positive-going edge of the clock (CLK)

pulse. Clock triggering occurs at a voltage level

and is not directly related to the rise time of CLK.

Following the hold-time interval, data at the

D input may be changed without affecting the

levels at the outputs.

GND

SN54HCT74 . . . FK PACKAGE

(TOP VIEW)

20 19

1CLK

2CLK

1PRE

15 NC

9 10 11 12 13

2PRE

The SN54HCT74 is characterized for operation

over the full military temperature range of –55°C

to 125°C. The SN74HCT74 is characterized for

operation from –40°C to 85°C.

NC – No internal connection

FUNCTION TABLE

INPUTS

OUTPUT

PRE

CLR

CLK

†

This configuration is unstable; that is, it does not

persist when PRE or CLR returns to its inactive

(high) level.

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.

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

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与M38510/65352B2A相关器件

型号	品牌	获取价格	描述	数据表
M38510/65352BCA	TI	获取价格	具有清零和预置端的双路负边沿触发式 D 型触发器 \| J \| 14 \| -55 to 12
M38510/65352BDA	TI	获取价格	具有清零和预置端的双路负边沿触发式 D 型触发器 \| W \| 14 \| -55 to 12
M38510/65402BEA	TI	获取价格	8 位可寻址锁存器 \| J \| 16 \| -55 to 125
M38510/65403B2A	TI	获取价格	具有三态输出的八路 D 类透明锁存器 \| FK \| 20 \| -55 to 125
M38510/65403B2X	ACTEL	获取价格	HC/UH SERIES, 1-BIT DRIVER, TRUE OUTPUT, QCC20, 0.350 X 0.350 INCH, LCC-20
M38510/65403BRA	TI	获取价格	具有三态输出的八路 D 类透明锁存器 \| J \| 20 \| -55 to 125
M38510/65403BRX	ACTEL	获取价格	HC/UH SERIES, 1-BIT DRIVER, TRUE OUTPUT, DIP20, 0.25 X 1.16 INCH, DIP-20
M38510/65406BRA	TI	获取价格	OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS
M38510/65453BRA	TI	获取价格	具有三态输出的八路 D 类透明锁存器 \| J \| 20 \| -55 to 125
M38510/65453BRX	ACTEL	获取价格	IC HCT SERIES, 1-BIT DRIVER, TRUE OUTPUT, DIP20, 0.25 X 1.16 INCH, DIP-20, Bus Driver/Tran

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