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TC74LCX245F 数据表(PDF) 1 Page - Toshiba Semiconductor |
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TC74LCX245F 数据表(HTML) 1 Page - Toshiba Semiconductor |
1 / 12 page TC74LCX245F/FT/FK 2010-01-31 1 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. Features (Note) • Low-voltage operation: VCC = 1.65 to 3.6 V • High-speed operation: tpd = 7.0 ns (max) (VCC = 3.0 to 3.6 V) • Ouput current: |IOH|/IOL = 24 mA (min) (VCC = 3.0 V) • 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.) Note: The Electrical Characteristics of VCC=1.8±0.15V is only applicable for products which manufactured from January 2009 onward. TC74LCX245F TC74LCX245FT TC74LCX245FK |
类似零件编号 - TC74LCX245F_10 |
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类似说明 - TC74LCX245F_10 |
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