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74AC273

更新时间: 2024-01-27 14:00:28
品牌 Logo 应用领域
安森美 - ONSEMI 触发器
页数 文件大小 规格书
8页 112K
描述
Octal D Flip−Flop

74AC273 技术参数

生命周期:Contact Manufacturer包装说明:TSSOP,
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.59Is Samacsys:N
系列:ACJESD-30 代码:R-PDSO-G20
长度:6.5 mm逻辑集成电路类型:D FLIP-FLOP
位数:8功能数量:1
端子数量:20最高工作温度:125 °C
最低工作温度:-55 °C输出极性:TRUE
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
传播延迟(tpd):16 ns座面最大高度:1.2 mm
最大供电电压 (Vsup):6 V最小供电电压 (Vsup):2 V
标称供电电压 (Vsup):3.3 V表面贴装:YES
技术:CMOS温度等级:MILITARY
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL触发器类型:POSITIVE EDGE
宽度:4.4 mm最小 fmax:125 MHz
Base Number Matches:1

74AC273 数据手册

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MC74AC273, MC74ACT273  
Octal D Flip−Flop  
The MC74AC273/74ACT273 has eight edge-triggered D−type  
flip−flops with individual D inputs and Q outputs. The common  
buffered Clock (CP) and Master Reset (MR) inputs load and reset  
(clear) all flip−flops simultaneously.  
The register is fully edge-triggered. The state of each D input, one  
setup time before the LOW−to−HIGH clock transition, is transferred  
to the corresponding flip−flop’s Q output.  
http://onsemi.com  
All outputs will be forced LOW independently of Clock or Data  
inputs by a LOW voltage level on the MR input. The device is useful  
for applications where the true output only is required and the Clock  
and Master Reset are common to all storage elements.  
PDIP−20  
SUFFIX N  
CASE 738  
20  
1
Features  
Ideal Buffer for MOS Microprocessor or Memory  
Eight Edge-Triggered D Flip−Flops  
Buffered Common Clock  
Buffered, Asynchronous Master Reset  
See MC74AC377 for Clock Enable Version  
See MC74AC373 for Transparent Latch Version  
See MC74AC374 for 3-State Version  
Outputs Source/Sink 24 mA  
ACT273 Has TTL Compatible Inputs  
Pb−Free Packages are Available*  
SOIC−20WB  
SUFFIX DW  
CASE 751D  
20  
1
TSSOP−20  
SUFFIX DT  
CASE 948E  
20  
1
SOEIAJ−20  
SUFFIX M  
CASE 967  
20  
V
Q
D
D
Q
Q
D
D
Q
4
CP  
11  
CC  
7
7
6
6
5
5
4
20  
19  
18  
17  
16  
15  
14  
12  
13  
1
PIN ASSIGNMENT  
PIN  
D0−D  
FUNCTION  
Data Inputs  
7
1
2
3
4
5
6
7
9
8
10  
MR  
CP  
Master Reset  
MR  
Q
D
D
Q
Q
D
D
Q
3
GND  
0
0
1
1
2
2
3
Clock Pulse Input  
Data Outputs  
(Top View)  
Q −Q  
0
7
Pinout: 20−Lead Packages Conductors  
MODE SELECT-FUNCTION TABLE  
D
D
D
D
D
D
D
D
6 7  
0
1
2
3
4
5
Inputs  
Outputs  
CP  
Operating Mode  
MR  
L
CP  
X
D
Q
n
n
MR  
Q
Q
Q
Q
Q
Q
Q
Q
6 7  
Reset (Clear)  
Load 1′  
X
L
H
L
0
1
2
3
4
5
H
H
L
Load 0′  
H
Logic Symbol  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 5 of this data sheet.  
H = HIGH Voltage Level  
L = LOW Voltage Level  
X = Immaterial  
= LOW-to-HIGH Clock Transition  
DEVICE MARKING INFORMATION  
See general marking information in the device marking  
section on page 6 of this data sheet.  
*For additional information on our Pb−Free strategy and soldering details, please  
download the ON Semiconductor Soldering and Mounting Techniques  
Reference Manual, SOLDERRM/D.  
©
Semiconductor Components Industries, LLC, 2005  
1
Publication Order Number:  
December, 2005 − Rev. 6  
MC74AC273/D  

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