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74F574PC PDF预览

74F574PC

更新时间: 2024-11-20 22:49:47
品牌 Logo 应用领域
美国国家半导体 - NSC 触发器
页数 文件大小 规格书
8页 171K
描述
Octal D-Type Flip-Flop with TRI-STATE Outputs

74F574PC 数据手册

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May 1995  
54F/74F574  
Octal D-Type Flip-Flop with TRI-STATE Outputs  
É
General Description  
Features  
Y
Inputs and outputs on opposite sides of package  
allowing easy interface with microprocessors  
Useful as input or output port for microprocessors  
Functionally identical to ’F374  
The ’F574 is a high-speed, low power octal flip-flop with a  
buffered common Clock (CP) and a buffered common Out-  
put Enable (OE). The information presented to the D inputs  
is stored in the flip-flops on the LOW-to-HIGH Clock (CP)  
transition.  
Y
Y
Y
TRI-STATE outputs for bus-oriented applications  
This device is functionally identical to the ’F374 except for  
the pinouts.  
Package  
Commercial  
74F574PC  
Military  
Package Description  
Number  
N20A  
J20A  
20-Lead (0.300 Wide) Molded Dual-In-Line  
×
54F574DM (Note 2)  
20-Lead Ceramic Dual-In-Line  
74F574SC (Note 1)  
74F574SJ (Note 1)  
M20B  
M20D  
W20A  
E20A  
20-Lead (0.300 Wide) Molded Small Outline, JEDEC  
×
20-Lead (0.300 Wide) Molded Small Outline, EIAJ  
×
54F574FM (Note 2)  
54F574LM (Note 2)  
20-Lead Cerpack  
20-Lead Ceramic Leadless Chip Carrier, Type C  
e
Note 1: Devices also available in 13 reel. Use suffix  
SCX and SJX.  
×
Note 2: Military grade device with environmental and burn-in processing. Use suffix  
e
DMQB, FMQB and LMQB.  
Logic Symbols  
IEEE/IEC  
TL/F/9567–1  
TL/F/9567–4  
Unit Loading/Fan Out  
54F/74F  
Pin Names  
Description  
U.L.  
Input I /I  
IH IL  
Output I /I  
HIGH/LOW  
OH OL  
b
20 mA/ 0.6 mA  
b
20 mA/ 0.6 mA  
D D  
0
Data Inputs  
1.0/1.0  
1.0/1.0  
7
CP  
OE  
Clock Pulse Input (Active LOW)  
TRI-STATE Output Enable Input (Active LOW)  
TRI-STATE Outputs  
b
1.0/1.0  
20 mA/ 0.6 mA  
3 mA/24 mA (20 mA)  
b
O O  
0
150/40 (33.3)  
7
TRI-STATEÉ is a registered trademark of National Semiconductor Corporation.  
C
1995 National Semiconductor Corporation  
TL/F/9567  
RRD-B30M75/Printed in U. S. A.  

74F574PC 替代型号

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