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TC74VHC299F_12

更新时间: 2024-11-06 12:23:03
品牌 Logo 应用领域
东芝 - TOSHIBA 移位寄存器
页数 文件大小 规格书
12页 224K
描述
8-Bit Pipo Shift Register with Asynchronous Clear

TC74VHC299F_12 数据手册

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TC74VHC299F/FT  
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic  
TC74VHC299F,TC74VHC299FT  
8-Bit Pipo Shift Register with Asynchronous Clear  
The TC74VHC299 is an advanced high speed CMOS 8-BIT  
PIPO SHIFT REGISTER fabricated with silicon gate C2MOS  
technology.  
TC74VHC299F  
It achieves the high speed operation similar to equivalent  
Bipolar Schottky TTL while maintaining the CMOS low power  
dissipation.  
It has a four modes (HOLD, SHIFT LEFT, SHIFT RIGHT and  
LOAD DATA) controlled by the two selection inputs (S0, S1).  
When one or both enable ( G1 , G2 ) are high, the eight I/O are  
forced to the high-impedance state; however, sequential  
operation or clearing of the register is not affected.  
All inputs are equipped with protection circuits against static  
discharge.  
TC74VHC299FT  
Features (Note 1) (Note 2) (Note 3)  
High speed: f  
= 160 MHz (typ.) at V  
= 5 V  
max  
CC  
Low power dissipation: I  
= 4 μA (max) at Ta = 25°C  
CC  
High noise immunity: V  
= V  
= 28% V  
(min)  
NIH  
NIL  
CC  
Balanced propagation delays: t  
t
pLH  
pHL  
Weight  
SOP20-P-300-1.27A  
TSSOP20-P-0044-0.65A  
Wide operating voltage range: V  
= 2 to 5.5 V  
CC (opr)  
: 0.22 g (typ.)  
: 0.08 g (typ.)  
Low noise: V  
= 1.4 V (max)  
OLP  
Pin and function compatible with 74ALS299  
Note 1: Do not apply a signal to A/QA to H/QH bus terminal when it is in the output mode. Damage may result.  
Note 2: All floating (high impedance) A/QA to H/QH bus terminals must have their input levels fixed by means of pull  
up or pull down resistors.  
Note 3: A parasitic diode is formed between A/QA to H/QH bus and V  
be used to interface 5 V to 3 V systems directly.  
terminals. Therefore bus terminal can not  
CC  
1
2007-10-01  

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