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54279

更新时间: 2024-02-15 21:43:22
品牌 Logo 应用领域
美国国家半导体 - NSC 锁存器
页数 文件大小 规格书
4页 111K
描述
Quad Set-Reset Latch

54279 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:DFP, FL16,.3Reach Compliance Code:unknown
HTS代码:8542.39.00.01风险等级:5.75
Is Samacsys:N其他特性:WITH DUAL S INPUT FOR TWO FUNCTIONS
系列:TTL/H/LJESD-30 代码:R-GDFP-F16
JESD-609代码:e0长度:9.6645 mm
逻辑集成电路类型:R-S LATCH最大I(ol):0.016 A
位数:2功能数量:4
端子数量:16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, GLASS-SEALED封装代码:DFP
封装等效代码:FL16,.3封装形状:RECTANGULAR
封装形式:FLATPACK电源:5 V
最大电源电流(ICC):30 mAProp。Delay @ Nom-Sup:27 ns
传播延迟(tpd):27 ns认证状态:Not Qualified
筛选级别:38535Q/M;38534H;883B座面最大高度:2.032 mm
子类别:FF/Latches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:YES技术:TTL
温度等级:MILITARY端子面层:Tin/Lead (Sn/Pb)
端子形式:FLAT端子节距:1.27 mm
端子位置:DUAL触发器类型:LOW LEVEL
宽度:6.604 mmBase Number Matches:1

54279 数据手册

 浏览型号54279的Datasheet PDF文件第2页浏览型号54279的Datasheet PDF文件第3页浏览型号54279的Datasheet PDF文件第4页 
June 1989  
54279/DM74279 Quad Set-Reset Latch  
General Description  
This device contains four independent set-reset type flip-  
flops with one Q output each.  
Connection Diagram  
Dual-In-Line Package  
TL/F/9785–1  
Order Number 54279DMQB, 54279FMQB or DM74279N  
NS Package Number J16A, N16E or W16A  
Pin Names  
Description  
R
Reset Inputs (Active Low)  
Set Inputs (Active Low)  
Outputs  
n
S
n
Q
Truth Table  
Inputs  
Output  
Q
S1  
S2  
R
L
L
L
X
L
L
H
H
L
h
H
X
H
H
H
L
H
H
H
No Change  
e
e
e
e
H
L
HIGH Voltage Level  
LOW Voltage Level  
Immaterial  
X
h
The output is HIGH as long as S1 or S2 is LOW. If all inputs go HIGH  
simultaneously, the output state is indeterminate; otherwise, it follows the  
Truth Table.  
C
1995 National Semiconductor Corporation  
TL/F/9785  
RRD-B30M115/Printed in U. S. A.  

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