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54ABT373E-QML PDF预览

54ABT373E-QML

更新时间: 2024-01-24 19:36:35
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
14页 360K
描述
Octal Transparent Latch with TRI-STATE Outputs

54ABT373E-QML 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:DFP, FL20,.3Reach Compliance Code:unknown
风险等级:5.81JESD-30 代码:R-XDFP-F20
JESD-609代码:e0负载电容(CL):50 pF
逻辑集成电路类型:D LATCH最大I(ol):0.048 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输出特性:3-STATE
封装主体材料:CERAMIC封装代码:DFP
封装等效代码:FL20,.3封装形状:RECTANGULAR
封装形式:FLATPACK电源:5 V
Prop。Delay @ Nom-Sup:7 ns认证状态:Not Qualified
筛选级别:38535Q/M;38534H;883B子类别:FF/Latches
标称供电电压 (Vsup):5 V表面贴装:YES
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:DUALBase Number Matches:1

54ABT373E-QML 数据手册

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Functional Description  
Truth Table  
The ’ABT373 contains eight D-type latches with TRI-STATE  
output buffers. When the Latch Enable (LE) input is HIGH,  
data on the Dn inputs enters the latches. In this condition the  
latches are transparent, i.e., a latch output will change state  
each time its D input changes. When LE is LOW, the latches  
store the information that was present on the D inputs a  
setup time preceding the HIGH-to-LOW transition of LE. The  
TRI-STATE buffers are controlled by the Output Enable (OE)  
input. When OE is LOW, the buffers are in the bi-state mode.  
When OE is HIGH the buffers are in the high impedance  
mode but this does not interfere with entering new data into  
the latches.  
Inputs  
Output  
LE  
H
H
L
OE  
L
Dn  
H
L
On  
H
L
L
L
X
On (no change)  
Z
X
H
X
=
=
=
=
H
L
X
Z
HIGH Voltage Level  
LOW Voltage Level  
Immaterial  
High Impedance State  
Logic Diagram  
DS100206-3  
Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.  
www.national.com  
2

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