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TC74HC123AFELNEF PDF预览

TC74HC123AFELNEF

更新时间: 2024-11-16 12:48:59
品牌 Logo 应用领域
东芝 - TOSHIBA 振荡器
页数 文件大小 规格书
13页 329K
描述
Dual Retriggerable Monostable Multivibrator

TC74HC123AFELNEF 数据手册

 浏览型号TC74HC123AFELNEF的Datasheet PDF文件第2页浏览型号TC74HC123AFELNEF的Datasheet PDF文件第3页浏览型号TC74HC123AFELNEF的Datasheet PDF文件第4页浏览型号TC74HC123AFELNEF的Datasheet PDF文件第5页浏览型号TC74HC123AFELNEF的Datasheet PDF文件第6页浏览型号TC74HC123AFELNEF的Datasheet PDF文件第7页 
TC74HC123AP/AF  
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic  
TC74HC123AP,TC74HC123AF  
Dual Retriggerable Monostable Multivibrator  
The TC74HC123A is a high speed CMOS MONOSTABLE  
MULTIVIBRATOR fabricated with silicon gate C2MOS  
technology.  
TC74HC123AP  
It achieves the high speed operation similar to equivalent  
LSTTL while maintaining the CMOS low power dissipation.  
There are two trigger inputs, A input (negative edge), and B  
input (positive edge). These inputs are valid for a slow rise/fall  
time signal (tr = tf = 1 s) as they are schmitt trigger inputs. This  
device may also be triggered by using CLR input (positive  
edge).  
After triggering, the output stays in a MONOSTABLE state for  
a time period determined by the external resistor and capacitor  
(Rx, Cx ). A low level at the CLR input breaks this state. In the  
MONOSTABLE state, if a new trigger is applied, it extends the  
MONOSTABLE period (retrigger mode).  
TC74HC123AF  
Limits for Cx and Rx are:  
External capacitor, Cx: No limit  
External resistor, Rx: V  
V
= 2.0 V more than 5 kΩ  
3.0 V more than 1 kΩ  
CC  
CC  
All inputs are equipped with protection circuits against static  
discharge or transient excess voltage.  
Weight  
Features (Note)  
DIP16-P-300-2.54A  
SOP16-P-300-1.27A  
: 1.00 g (typ.)  
: 0.18 g (typ.)  
High speed: t = 25 ns (typ.) at V  
= 5 V  
CC  
pd  
Low power dissipation  
Standby state: I  
= 4 μA (max) at Ta = 25°C  
CC  
Active state: I  
= 700 μA (max) at Ta = 25°C  
CC  
High noise immunity: V  
= V  
= 28% V  
(min)  
NIH  
NIL  
CC  
Output drive capability: 10 LSTTL loads  
Symmetrical output impedance: |I | = I  
= 4 mA (min)  
OL  
OH  
t
pHL  
Balanced propagation delays: t  
pLH  
Wide operating voltage range: V  
(opr) = 2 to 6 V  
CC  
Pin and function compatible with 74LS123  
Note:  
In the case of using only one circuit, CLR should be tied to GND, Rx/CxCxQQ should be tied to  
or GND.  
OPEN, the other inputs should be tied to V  
CC  
1
2012-02-29  

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