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TC74LCX257FK PDF预览

TC74LCX257FK

更新时间: 2024-11-06 12:58:11
品牌 Logo 应用领域
东芝 - TOSHIBA 复用器
页数 文件大小 规格书
10页 249K
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TC74LCX257FK 数据手册

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TC74LCX257F/FN/FT  
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic  
TC74LCX257F,TC74LCX257FN,TC74LCX257FT  
Low-Voltage Quad 2-Channel Multiplexer (3-state) with 5-V Tolerant Inputs and Outputs  
Note: xxxFN (JEDEC SOP) is not available in  
Japan.  
The TC74LCX257 is a high-performance CMOS multiplexer.  
Designed for use in 3.3-V systems, it achieves high-speed  
TC74LCX257F  
operation while maintaining the CMOS low-power dissipation.  
The device is designed for low-voltage (3.3 V) V  
applications,  
CC  
but it could be used to interface to 5-V supply environment for  
inputs.  
It is composed of four independent 2-channel multiplexers with  
common select and OE .  
If OE is set low, the outputs are held in a high-impedance  
state. When SELECT is set low, “A” data inputs are enabled.  
Conversely, when SELECT is high, “B” data inputs are enabled.  
All inputs are equipped with protection circuits against static  
discharge.  
TC74LCX257FN  
Features  
Low-voltage operation: V  
= 2.0 to 3.6 V  
CC  
High-speed operation: t = 6.0 ns (max) (V  
= 3.0 to 3.6 V)  
pd  
CC  
Output current: |I |/I  
= 24 mA (min) (V  
= 3.0 V)  
OH OL  
CC  
Latch-up performance: 500 mA  
TC74LCX257FT  
Available in JEDEC SOP, JEITA SOP and TSSOP  
Power-down protection provided on all inputs and outputs  
Pin and function compatible with the 74 series  
(74AC/VHC/HC/F/ALS/LS etc.) 257 type  
Weight  
SOP16-P-300-1.27A  
SOL16-P-150-1.27  
TSSOP16-P-0044-0.65A  
: 0.18 g (typ.)  
: 0.12 g (typ.)  
: 0.06 g (typ.)  
1
2007-10-19  

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