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SN74HC74 PDF预览

SN74HC74

更新时间： 2024-11-18 23:03:15
品牌 Logo 应用领域
德州仪器 - TI 触发器
页数 文件大小 规格书
16页 530K
描述
DUAL D-TYPE POSITIVE-EDGE-TRIGGERED FLIP-FLOPS WITH CLEAR AND PRESET

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SN74HC74 数据手册

 浏览型号SN74HC74的Datasheet PDF文件第2页浏览型号SN74HC74的Datasheet PDF文件第3页浏览型号SN74HC74的Datasheet PDF文件第4页浏览型号SN74HC74的Datasheet PDF文件第5页浏览型号SN74HC74的Datasheet PDF文件第6页浏览型号SN74HC74的Datasheet PDF文件第7页 
SN54HC74, SN74HC74  
DUAL D-TYPE POSITIVE-EDGE-TRIGGERED FLIP-FLOPS  
WITH CLEAR AND PRESET  
SCLS094D – DECEMBER 1982 – REVISED JULY 2003  
SN54HC74 . . . J OR W PACKAGE  
SN74HC74 . . . D, DB, N, NS, OR PW PACKAGE  
(TOP VIEW)  
Wide Operating Voltage Range of 2 V to 6 V  
Outputs Can Drive Up To 10 LSTTL Loads  
Low Power Consumption, 40-µA Max I  
CC  
1CLR  
1D  
V
CC  
2CLR  
1
2
3
4
5
6
7
14  
13  
Typical t = 15 ns  
pd  
±4-mA Output Drive at 5 V  
1CLK  
1PRE  
1Q  
12 2D  
Low Input Current of 1 µA Max  
11  
10  
9
2CLK  
2PRE  
2Q  
description/ordering information  
1Q  
8
The ’HC74 devices contain two independent  
D-type positive-edge-triggered flip-flops. A low  
levelatthepreset(PRE)orclear(CLR)inputssets  
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 can be changed without affecting the  
levels at the outputs.  
GND  
2Q  
SN54HC74 . . . FK PACKAGE  
(TOP VIEW)  
3
2
1
20 19  
18  
2D  
1CLK  
NC  
4
5
6
7
8
NC  
17  
16  
2CLK  
1PRE  
NC  
15 NC  
14  
2PRE  
1Q  
9 10 11 12 13  
NC – No internal connection  
ORDERING INFORMATION  
ORDERABLE  
PART NUMBER  
TOP-SIDE  
MARKING  
†
PACKAGE  
T
A
PDIP – N  
SOIC – D  
Tube of 25  
Tube of 50  
Reel of 2500  
Reel of 250  
Reel of 2000  
Reel of 2000  
Tube of 90  
Reel of 2000  
Reel of 250  
Tube of 25  
Tube of 150  
Tube of 55  
SN74HC74N  
SN74HC74N  
SN74HC74D  
SN74HC74DR  
SN74HC74DT  
SN74HC74NSR  
SN74HC74DBR  
SN74HC74PW  
SN74HC74PWR  
SN74HC74PWT  
SNJ54HC74J  
HC74  
–40°C to 85°C  
SOP – NS  
HC74  
HC74  
SSOP – DB  
TSSOP – PW  
HC74  
CDIP – J  
CFP – W  
LCCC – FK  
SNJ54HC74J  
SNJ54HC74W  
SNJ54HC74FK  
–55°C to 125°C  
SNJ54HC74W  
SNJ54HC74FK  
†
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.  
Copyright 2003, Texas Instruments Incorporated  
On products compliant to MIL-PRF-38535, all parameters are tested  
unless otherwise noted. On all other products, production  
processing does not necessarily include testing of all parameters.  
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.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...16

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SN74HC74 替代型号

型号 品牌 替代类型 描述 数据表
SN74HC74-EP TI

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 DUAL D-TYPE POSITIVE EDGE TRIGGERED FLIP-FLOP WITH CLEAR AND PRESET
SN74HC74-Q1 TI

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 DUAL D-TYPE POSITIVE-EDGE-TRIGGERED FLIP-FLOP WITH CLEAR AND
SN54HC74 TI

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