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TC74VCX541FT Dataheets PDF



Part Number TC74VCX541FT
Manufacturers Toshiba
Logo Toshiba
Description Low-Voltage Octal Bus Buffer
Datasheet TC74VCX541FT DatasheetTC74VCX541FT Datasheet (PDF)

CMOS Digital Integrated Circuits Silicon Monolithic TC74VCX541FT TC74VCX541FT 1. Functional Description • Low-Voltage Octal Bus Buffer with 3.6-V Tolerant Inputs and Outputs 2. General The TC74VCX541FT is a high performance CMOS octal bus buffer which is guaranteed to operate from 1.2 V to 3.6 V. Designed for use in 1.5 V, 1.8 V, 2.5 V or 3.3 V systems, it achieves high speed operation while maintaing the CMOS low power dissipation. It is also designed with over voltage tolerant inputs and out.

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CMOS Digital Integrated Circuits Silicon Monolithic TC74VCX541FT TC74VCX541FT 1. Functional Description • Low-Voltage Octal Bus Buffer with 3.6-V Tolerant Inputs and Outputs 2. General The TC74VCX541FT is a high performance CMOS octal bus buffer which is guaranteed to operate from 1.2 V to 3.6 V. Designed for use in 1.5 V, 1.8 V, 2.5 V or 3.3 V systems, it achieves high speed operation while maintaing the CMOS low power dissipation. It is also designed with over voltage tolerant inputs and outputs up to 3.6 V. The device is a non-inverting 3-state buffer having two active-low output enables. When either OE1 or OE2 are high, the terminal outputs are in the high-impedance state. This device is designed to be used with 3-state memory address drivers, etc. All inputs are equipped with protection circuits against static discharge. 3. Features (1) Wide operating temperature range: Topr = -40 to 125  (Note 1) (2) Low-voltage operation: VCC = 1.2 to 3.6 V (3) High-speed operation: tpd = 3.5 ns (max) (VCC = 3.0 to 3.6 V) tpd = 4.2 ns (max) (VCC = 2.3 to 2.7 V) tpd = 8.4 ns (max) (VCC = 1.65 to 1.95 V) tpd = 16.8 ns (max) (VCC = 1.4 to 1.6 V) tpd = 42.0 ns (max) (VCC = 1.2 V) (4) Output current: IOH/IOL = ±24 mA (min) (VCC = 3.0 V) IOH/IOL = ±18 mA (min) (VCC = 2.3 V) IOH/IOL = ±6 mA (min) (VCC = 1.65 V) IOH/IOL = ±2 mA (min) (VCC = 1.4 V) (5) Latch-up performance: -300 mA (6) ESD performance: Human Body Model ≥ ±2000 V (7) 3.6 V tolerant function and power-down protection provided on all inputs and outputs. Note 1: Operating Range spec of Topr = -40  to 125  is applicable only for the products which manufactured after April 2020. 4. Packaging TSSOP20 ©2020 Toshiba Electronic Devices & Storage Corporation 1 Start of commercial production 2020-04 2020-09-07 Rev.1.0 5. Pin Assignment 6. Marking 7. IEC Logic Symbol TC74VCX541FT ©2020 Toshiba Electronic Devices & Storage Corporation 2 2020-09-07 Rev.1.0 8. Truth Table Input OE1 Input OE2 H X X H L L L L X: Don't care Z: High impedance Inputs An X X H L 9. Absolute Maximum Ratings (Note) Outputs Z Z H L TC74VCX541FT Characteristics Symbol Note Rating Unit Supply voltage VCC -0.5 to 4.6 V Input voltage VIN -0.5 to 4.6 V Output voltage VOUT (Note 1) -0.5 to 4.6 V (Note 2) -0.5 to VCC + 0.5 Input diode current IIK -50 mA Output diode current IOK (Note 3) ±50 mA Output current IOUT ±50 mA Power dissipation PD (Note 4) 180 mW VCC/ground current ICC/IGND ±100 mA Storage temperature Tstg -65 to 150  Note: 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 conditions (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 1: Output in OFF state. Note 2: High (H) or Low (L) state. IOUT absolute maximum rating must be observed. Note 3: VOUT < GND, VOUT > VCC Note 4: 180 mW in the range of Ta = -40 to 85 . From Ta = 85 to 125  a derating factor of -3.25 mW/ shall be applied until 50 mW. ©2020 Toshiba Electronic Devices & Storage Corporation 3 2020-09-07 Rev.1.0 10. Operating Ranges (Note) TC74VCX541FT Characteristics Symbol Note Rating Unit Supply voltage Input voltage Output voltage Output current VCC 1.2 to 3.6 V VIN -0.3 to 3.6 V VOUT (Note 1) 0 to 3.6 V (Note 2) 0 to VCC IOH,IOL (Note 3) ±24 mA (Note 4) ±18 (Note 5) ±6 (Note 6) ±2 Operating temperature Input rise and fall times Topr dt/dv (Note 7) (Note 8) -40 to 125 0 to 10  ns/V Note: The operating ranges must be maintained to ensure the normal operation of the device. Unused inputs must be tied to either VCC or GND. Note 1: Output in OFF state. Note 2: High (H) or Low (L) state. Note 3: VCC = 3.0 to 3.6 V Note 4: VCC = 2.3 to 2.7 V Note 5: VCC = 1.65 to 1.95 V Note 6: VCC = 1.4 to 1.6 V Note 7: Operating Range spec of Topr = -40  to 125  is applicable only for the products which manufactured after April 2020. Note 8: VIN = 0.8 to 2.0 V, VCC = 3.0 V ©2020 Toshiba Electronic Devices & Storage Corporation 4 2020-09-07 Rev.1.0 TC74VCX541FT 11. Electrical Characteristics 11.1. DC Characteristics (Unless otherwise specified, Ta = -40 to 85 ) Characteristics High-level input voltage Symbol VIH Test Condition  Low-level input voltage VIL  High-level output voltage VOH VIN = VIH or VIL Low-level output voltage VOL VIN = VIH or VIL .


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