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54ACT74FMQB PDF预览

54ACT74FMQB

更新时间: 2024-01-02 16:12:57
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 180K
描述
IC ACT SERIES, DUAL POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, CDFP14, CERAMIC, DFP-14, FF/Latch

54ACT74FMQB 技术参数

生命周期:ActiveReach Compliance Code:compliant
风险等级:5.73Is Samacsys:N
系列:ACTJESD-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:85 Hz
最大I(ol):24 A位数:1
功能数量:2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:COMPLEMENTARY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
Prop。Delay @ Nom-Sup:14 ns传播延迟(tpd):14 ns
筛选级别:MIL-STD-883B座面最大高度:1.905 mm
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):4.5 V
标称供电电压 (Vsup):5 V表面贴装:NO
技术:CMOS温度等级:MILITARY
端子形式:THROUGH-HOLE端子节距:1.27 mm
端子位置:DUAL触发器类型:POSITIVE EDGE
宽度:8.89 mm最小 fmax:85 MHz
Base Number Matches:1

54ACT74FMQB 数据手册

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July 2003  
54AC74/54ACT74  
Dual D-Type Positive Edge-Triggered Flip-Flop  
Clear and Set are independent of clock  
General Description  
Simultaneous LOW on CD and SD makes both Q and Q  
HIGH  
The ’AC/’ACT74 is a dual D-type flip-flop with Asynchronous  
Clear and Set inputs and complementary (Q, Q) outputs.  
Information at the input is transferred to the outputs on the  
positive edge of the clock pulse. Clock triggering occurs at a  
voltage level of the clock pulse and is not directly related to  
the transition time of the positive-going pulse. After the Clock  
Pulse input threshold voltage has been passed, the Data  
input is locked out and information present will not be trans-  
ferred to the outputs until the next rising edge of the Clock  
Pulse input.  
Features  
n ICC reduced by 50%  
n Output source/sink 24 mA  
n ’ACT74 has TTL-compatible inputs  
n Standard Microcircuit Drawing (SMD)  
— ’AC74: 5962-88520  
— ’ACT74: 5962-87525  
n 54AC74 now qualified to 300Krad RHA designation,  
refer to the SMD for more information  
Asynchronous Inputs:  
LOW input to SD (Set) sets Q to HIGH level  
LOW input to CD (Clear) sets Q to LOW level  
Logic Symbols  
10026602  
10026601  
IEEE/IEC  
Pin Names  
Description  
Data Inputs  
D1, D2  
CP1, CP2  
D1, CD2  
D1, SD2  
Q1, Q1, Q2, Q2  
Clock Pulse Inputs  
Direct Clear Inputs  
Direct Set Inputs  
Outputs  
C
S
10026603  
FACT® is a registered trademark of Fairchild Semiconductor Corporation.  
© 2003 National Semiconductor Corporation  
DS100266  
www.national.com  

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