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HD74HC112T-EL PDF预览

HD74HC112T-EL

更新时间: 2024-10-05 13:08:15
品牌 Logo 应用领域
日立 - HITACHI 触发器
页数 文件大小 规格书
9页 62K
描述
J-K Flip-Flop, HC/UH Series, 2-Func, Negative Edge Triggered, 2-Bit, Complementary Output, CMOS, PDSO16, TTP-16DA

HD74HC112T-EL 数据手册

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HD74HC112  
Dual J-K Flip-Flops (with Preset and Clear)  
Description  
Each flip-flop has independent J, K, preset, clear and clock inputs and Q and Q outputs. This device is  
edge sensitive to the clock input and change state on the negative going transition of the clock pulse. Clear  
and preset are independent of the clock and accomplished by a low logic level on the corresponding input.  
Features  
High Speed Operation: tpd (Clock to Q) = 17 ns typ (CL = 50 pF)  
High Output Current: Fanout of 10 LSTTL Loads  
Wide Operating Voltage: VCC = 2 to 6 V  
Low Input Current: 1 µA max  
Low Quiescent Supply Current: ICC (static) = 2 µA max (Ta = 25°C)  
Function Table  
Inputs  
Output  
Preset  
Clear  
H
Clock  
J
K
X
X
X
L
Q
Q
L
X
X
X
X
X
X
L
H
L
H
L
L
L
H*1  
H
H*1  
L
H
H
H
H
H
H
H
H
No Change  
L
H
L
H
L
H
L
H
H
H
X
X
X
H
H
H
X
X
X
Toggle  
No Change  
No Change  
No Change  
H
L
H
H
H
Note: 1. Q and Q will remain HIGH as long as Preset and Clear are Low, but Q and Q are unpredictable,  
if Preset and Clear go HIGH simultaneously.  

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