TC74LCX125F/FK TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC74LCX125F, TC74LCX125FK Low-Voltage Quad Bus Buffer with 5-V Tolerant Inputs and Outputs The TC74LCX125 is a high-performance CMOS quad bus buffers. TC74LCX125F 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. This device requires the 3-state control input ( OE ) to be set high to place the output into the high impedance state. All inputs are equipped with protection circuits against static discharge. TC74LCX125FK Features Low-voltage operation: V 1.65 to 3.6 V CC High-speed operation: tpd 6.0 ns (max) (VCC 3.0 to 3.6 V) Ouput current: I /I 24 mA (min) (V 3.0 V) OH OL CC Available in JEITA SOP, VSSOP (US) Power-down protection is provided on all inputs and outputs Pin and function compatible with the 74 series (74AC/VHC/HC/F/ALS/LS etc.) 125 type Weight SOP14-P-300-1.27A : 0.18 g ( typ.) VSSOP14-P-0030-0.50 : 0.02 g ( typ.) Note: The Electrical Characteristics of V = 1.8 0.15 V is only applicable for products which manufactured CC from January 2009 onward. Start of commercial production 1994-10 2018-2021 2021-03-26 1 Toshiba Electronic Devices & Storage Corporation TC74LCX125F/FK Pin Assignment (top view) IEC Logic Symbol 1 1 EN 3 1Y 1 14 V 2 CC A 1A 4 2 6 1A 2 13 2Y 5 2A 10 1Y 3 12 4A 3 8 3Y 9 3A 4 11 4Y 13 4 11 4Y 12 4A 2A 5 10 2Y 6 9 3A GND 7 8 3Y Truth Table Inputs Outputs OE A Y H X Z L L L L H H X: Dont care Z: High impedance Absolute Maximum Ratings (Note 1) Characteristics Symbol Rating Unit Power supply voltage V 0.5 to 7.0 V CC DC input voltage V 0.5 to 7.0 V IN 0.5 to 7.0 (Note 2) DC output voltage V V OUT 0.5 to V 0.5 CC (Note 3) Input diode current I 50 mA IK Output diode current I 50 (Note 4) mA OK DC output current I 50 mA OUT Power dissipation PD 180 mW DC V /ground current I /I 100 mA CC CC GND Storage temperature T 65 to 150 C stg Note 1: Exceeding any of the absolute maximum ratings, even briefly, lead to deterioration in IC performance or even destruction. Using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the significant change in temperature, etc.) may cause this product to decrease in the reliability significantly even if the operating range (i.e. operating temperature/current/voltage, etc.) are within the absolute maximum ratings and the operating ranges. Please design the appropriate reliability upon reviewing the Toshiba Semiconductor Reliability Handbook (Handling Precautions/Derating Concept and Methods) and individual reliability data (i.e. reliability test report and estimated failure rate, etc). Note 2: Output in OFF state Note 3: High or low state. IOUT absolute maximum rating must be observed. Note 4: V GND, V V OUT OUT CC 2018-2021 2021-03-26 2 Toshiba Electronic Devices & Storage Corporation