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54AC273LM PDF预览

54AC273LM

更新时间: 2024-02-20 16:33:11
品牌 Logo 应用领域
德州仪器 - TI 输出元件逻辑集成电路触发器
页数 文件大小 规格书
8页 175K
描述
AC SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, CQCC20, CERAMIC, LCC-20

54AC273LM 技术参数

生命周期:Obsolete包装说明:QCCN, LCC20,.35SQ
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.31Is Samacsys:N
系列:ACJESD-30 代码:S-CQCC-N20
长度:8.89 mm负载电容(CL):50 pF
逻辑集成电路类型:D FLIP-FLOP最大频率@ Nom-Sup:75000000 Hz
最大I(ol):0.012 A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:CERAMIC, METAL-SEALED COFIRED
封装代码:QCCN封装等效代码:LCC20,.35SQ
封装形状:SQUARE封装形式:CHIP CARRIER
电源:3.3/5 V传播延迟(tpd):16 ns
认证状态:Not Qualified座面最大高度:1.905 mm
子类别:FF/Latches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:NO LEAD
端子节距:1.27 mm端子位置:QUAD
触发器类型:POSITIVE EDGE宽度:8.89 mm
最小 fmax:90 MHzBase Number Matches:1

54AC273LM 数据手册

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August 1993  
54AC/74AC273  
Octal D Flip-Flop  
General Description  
Features  
Y
Ideal buffer for microprocessor or memory  
The ’273 has eight edge-triggered D-type flip-flops with indi-  
vidual D inputs and Q outputs. The common buffered Clock  
(CP) and Master Reset (MR) input load and reset (clear) all  
flip-flops simultaneously.  
Y
Eight edge-triggered D flip-flops  
Y
Buffered common clock  
Y
Buffered, asynchronous master reset  
Y
The register is fully edge-triggered. The state of each D in-  
put, one setup time before the LOW-to-HIGH clock tran-  
sition, is transferred to the corresponding flip-flop’s Q out-  
put.  
See ’377 for clock enable version  
Y
See ’373 for transparent latch version  
Y
See ’374 for TRI-STATE version  
Y
Outputs source/sink 24 mA  
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.  
Y
’ACT has TTL-compatible inputs  
Y
Standard Military Drawing (SMD)  
Ð ’AC273: 5962-87756  
Logic Symbols  
Connection Diagrams  
Pin Assignment  
for DIP, Flatpak and SOIC  
IEEE/IEC  
TL/F/9954–1  
TL/F/9954–2  
TL/F/9954–3  
Pin Assignment  
for LCC  
Pin Names  
Description  
D D  
0
Data Inputs  
7
MR  
CP  
Master Reset  
Clock Pulse Input  
Data Outputs  
Q Q  
0
7
FACTTM is a trademark of National Semiconductor Corporation.  
TL/F/9954–4  
C
1995 National Semiconductor Corporation  
TL/F/9954  
RRD-B30M75/Printed in U. S. A.  

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