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TC74LCX257F 데이터시트(PDF) 1 Page - Toshiba Semiconductor

부품명 TC74LCX257F
상세설명  Low-Voltage Quad 2-Channel Multiplexer (3-state) with 5-V Tolerant Inputs and Outputs
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제조업체  TOSHIBA [Toshiba Semiconductor]
홈페이지  http://www.semicon.toshiba.co.jp/eng
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TC74LCX257F/FN/FT
2007-10-19
1
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
The TC74LCX257 is a high-performance CMOS multiplexer.
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
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.
Features
• Low-voltage operation: VCC = 2.0 to 3.6 V
• High-speed operation: tpd = 6.0 ns (max) (VCC = 3.0 to 3.6 V)
• Output current: |IOH|/IOL = 24 mA (min) (VCC = 3.0 V)
• Latch-up performance: −500 mA
• 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
Note:
xxxFN (JEDEC SOP) is not available in
Japan.
TC74LCX257F
TC74LCX257FN
TC74LCX257FT
Weight
SOP16-P-300-1.27A
: 0.18 g (typ.)
SOL16-P-150-1.27
: 0.12 g (typ.)
TSSOP16-P-0044-0.65A
: 0.06 g (typ.)


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