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74AC521FCQR PDF预览

74AC521FCQR

更新时间: 2024-09-16 14:35:03
品牌 Logo 应用领域
德州仪器 - TI 输出元件逻辑集成电路
页数 文件大小 规格书
10页 191K
描述
AC SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, CDFP20, CERAMIC, FP-20

74AC521FCQR 技术参数

生命周期:Obsolete包装说明:DFP,
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.63Is Samacsys:N
其他特性:CASCADABLE系列:AC
JESD-30 代码:R-GDFP-F20负载电容(CL):50 pF
逻辑集成电路类型:IDENTITY COMPARATOR位数:8
功能数量:1端子数量:20
最高工作温度:85 °C最低工作温度:-40 °C
输出极性:INVERTED封装主体材料:CERAMIC, GLASS-SEALED
封装代码:DFP封装形状:RECTANGULAR
封装形式:FLATPACK传播延迟(tpd):12.5 ns
认证状态:Not Qualified座面最大高度:2.286 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 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子形式:FLAT端子节距:1.27 mm
端子位置:DUAL宽度:6.731 mm
Base Number Matches:1

74AC521FCQR 数据手册

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February 1993  
54AC/74AC521 54ACT/74ACT521  
#
8-Bit Identity Comparator  
General Description  
The ’AC/’ACT521 is an expandable 8-bit comparator. It  
compares two words of up to eight bits each and provides a  
LOW output when the two words match bit for bit. The ex-  
Features  
Y
CC  
I
reduced by 50%  
Y
Y
Y
Y
Y
Compares two 8-bit words in 6.5 ns typ  
Expandable to any word length  
20-pin package  
pansion input I  
input.  
also serves as an active LOW enable  
B
e
A
Outputs source/sink 24 mA  
’ACT521 has TTL-compatible inputs  
Logic Symbols  
Connection Diagrams  
Pin Assignment  
for DIP, Flatpak and SOIC  
TL/F/9964–1  
IEEE/IEC  
TL/F/9964–2  
Pin Assignment  
for LCC  
TL/F/9964–3  
TL/F/9964–4  
Pin Names  
Description  
A A  
Word A Inputs  
0
7
7
B
B B  
0
Word B Inputs  
T
Expansion or Enable Input  
Identity Output  
e
e
A
O
A
B
FACTTM is a trademark of National Semiconductor Corporation.  
C
1995 National Semiconductor Corporation  
TL/F/9964  
RRD-B30M75/Printed in U. S. A.  

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