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TC74LCX245F_07

更新时间: 2024-11-06 04:49:35
品牌 Logo 应用领域
东芝 - TOSHIBA 总线收发器
页数 文件大小 规格书
10页 248K
描述
Low-Voltage Octal Bus Transceiver with 5-V Tolerant Inputs and Outputs

TC74LCX245F_07 数据手册

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TC74LCX245F/FT/FK  
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic  
TC74LCX245F,TC74LCX245FT,TC74LCX245FK  
Low-Voltage Octal Bus Transceiver with 5-V Tolerant Inputs and Outputs  
The TC74LCX245 is a high-performance CMOS octal bus  
transceiver. Designed for use in 3.3-V systems, it achieves  
high-speed operation while maintaining the CMOS low power  
dissipation.  
The device is designed for low-voltage (3.3 V) VCC applications,  
but it could be used to interface to 5-V supply environment for  
both inputs and outputs.  
The direction of data transmission is determined by the level of  
the DIR input. The enable input ( OE ) can be used to disable the  
device so that the busses are effectively isolated.  
All inputs are equipped with protection circuits against static  
discharge.  
TC74LCX245F  
TC74LCX245FT  
TC74LCX245FK  
Features (Note)  
Low-voltage operation: V  
= 2.0 to 3.6 V  
CC  
High-speed operation: t = 7.0 ns (max) (V  
= 3.0 to 3.6 V)  
pd  
CC  
Ouput current: |I |/I  
= 24 mA (min) (V  
= 3.0 V)  
OH OL  
CC  
Latch-up performance: 500 mA  
Available in JEITA SOP, TSSOP and VSSOP (US)  
Bidirectional interface between 5.0 V and 3.3 V signals  
Power-down protection provided on all inputs and outputs  
Pin and function compatible with the 74 series  
(74AC/VHC/HC/F/ALS/LS etc.) 245 type  
Note: Do not apply a signal to any bus pins when it is in the  
output mode. Damage may result.  
All floating (high impedance) bus pins must have their  
input levels fixed by means of pull-up or pull-down  
resistors.  
Weight  
SOP20-P-300-1.27A  
: 0.22g (typ.)  
TSSOP20-P-0044-0.65A : 0.08 g (typ.)  
VSSOP20-P-0030-0.50  
: 0.03 g (typ.)  
1
2007-10-19  

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