74LVC541A OCTAL BUFFER/ LINE DRIVER WITH 3 STATE OUTPUTS Description Pin Assignments The 74LVC541A is an octal buffer/driver is designed for driving bus lines or buffer memory address registers. The 3-state control gate is a 2-input AND gate with active-low inputs so that, if either output enable (OE1 or OE2) input is high, all eight outputs are in the high-impedance state. NEW PRODUCT These devices feature inputs and outputs on opposite sides of the package that facilitate printed circuit board layout. The device is designed for operation with a power supply range of 1.65V to 3.6V. The inputs are tolerant to 5.5V allowing this device to be used in a mixed voltage environment. The device is fully specified for partial power down applications using IOFF. The IOFF circuitry disables the output preventing damaging current backflow when the device is powered down. Features Applications • • Supply Voltage Range from 1.65V to 3.6V Sinks or Sources 24mA at VCC = 3V • General Purpose Logic • Bus Driving • • CMOS Low Power Consumption IOFF Supports Partial-Power Down Operation • Power Down Signal Isolation • Inputs or Outputs Accept Up to 5.5V • Inputs Can Be Driven by 3.3V or 5V Allowing for Mixed Voltage • Wide array of products such as: Applications • • PCs, Notebooks, Netbooks, Ultrabooks Networking Computer Peripherals, Hard Drives, CD/DVD ROM Schmitt Trigger Action at All Inputs Typical VOLP (Quiet Output Ground Bounce) less than 0.8V with TV, DVD, DVR, set top box VCC = 3.3V and TA = +25°C • Typical VOHV (Quiet Output Dynamic VOH) greater than 2.0V with VCC = 3.3V and TA = +25°C • • • ESD Protection Tested per JESD 22 Exceeds 200-V Machine Model (A115) Exceeds 2000-V Human Body Model (A114) Exceeds 1000-V Charged Device Model (C101) Latch-Up Exceeds 250mA per JESD 78, Class I All devices are: Totally Lead-Free & Fully RoHS compliant (Notes 1 & 2) Halogen and Antimony Free. “Green” Device (Note 3) Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. 2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen and Antimony free, "Green" and Lead-Free. 3. Halogen and Antimony free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony compounds. 74LVC541A Document number: DS35896 Rev. 1 - 2 1 of 10 www.diodes.com July 2014 © Diodes Incorporated 74LVC541A Ordering Information 74 LVC Logic Device NEW PRODUCT 74 : Logic Prefix Function 541 : Package Octal Buffer/Line Driver with 3 State Outputs Part Number Package Code Package (Note 4 & 5) 74LVC541AT20-13 T20 TSSOP-20 74LVC541AQ20-13 Q20 V-QFN4525-20 Notes: 541A xxx -13 Packing T20 : TSSOP-20 Q20 : QFN-20 -13 : 13” Tape & Reel Package Size 6.4mm X 6.5mm X 1.2mm 0.65 mm lead pitch 2.5mm X 4.5mm X 0.95mm 0.50 mm lead pitch 13” Tape and Reel Quantity Part Number Suffix 2500/Tape & Reel -13 2500/Tape & Reel -13 4. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf. 5. V-QFN4525-20 is a JEDEC recognized naming convention that specifies the package thickness category as V and the number 4525 describes the package as 4.5mm X 2.5mm. Pin Descriptions Pin Number Pin Name 1 Output Enable 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 OE1 A1 A2 A3 A4 A5 A6 A7 A8 GND B8 B7 B6 B5 B4 B3 B2 B1 19 OE2 Output Enable 2 20 VCC Supply Voltage Logic Diagram INPUTS Description OE1 L L H X Data Input Data Input Data Input Data Input Data Input Data Input Data Input Data Input Ground Data Output Data Output Data Output Data Output Data Output Data Output Data Output Data Output 74LVC541A Document number: DS35896 Rev. 1 - 2 Function Table 2 of 10 www.diodes.com OE2 L L X H A L H X X OUTPUT Q L H Z Z July 2014 © Diodes Incorporated 74LVC541A Absolute Maximum Ratings (Notes 6 & 7) Symbol ESD HBM ESD CDM ESD MM Rating 2 1 200 Unit kV kV V V Supply Voltage Range -0.5 to +7.0 VI Input Voltage Range -0.5 to +7.0 V IIK Input Clamp Current VI < 0V -20 mA VCC NEW PRODUCT Description Human Body Model ESD Protection Charged Device Model ESD Protection Machine Model ESD Protection IOK Output Clamp Current VO < 0V -50 mA IO Continuous Output Current -0.5V < VO VCC +0.5V ±50 mA ICC Continuous Current Through VCC 100 mA IGND Continuous Current Through GND -100 mA Operating Junction Temperature -40 to +150 °C TSTG Storage Temperature -65 to +150 °C PTOT Total Power Dissipation 500 mW TJ Notes: 6. Stresses beyond the absolute maximum may result in immediate failure or reduced reliability. These are stress values and device operation should be within recommend values. 7. Forcing the maximum allowed voltage could cause a condition exceeding the maximum current or conversely forcing the maximum current could cause a condition exceeding the maximum voltage. The ratings of both current and voltage must be maintained within the controlled range.. Recommended Operating Conditions (Note 8) Symbol VCC Parameter Supply Voltage VI Input Voltage VO Output Voltage IOH IOL Conditions Operating Data Retention Only — High-Level Output Current Low-Level Output Current Min 1.65 1.5 Max 3.6 — Unit V V 0 5.5 V — 0 VCC V VCC = 1.65V — -4 VCC = 2.3V — -8 VCC = 2.7V — -12 VCC = 3.0V — -24 VCC = 1.65V — 4 VCC = 2.3V — 8 VCC = 2.7V — 12 VCC = 3.0V — 24 mA mA ∆t/∆V Input Transition Rise or Fall Rate — 10 ns/V TA Operating Free-Air Temperature -40 +125 °C Note: 8. Unused inputs should be held at VCC or Ground. 74LVC541A Document number: DS35896 Rev. 1 - 2 3 of 10 www.diodes.com July 2014 © Diodes Incorporated 74LVC541A Electrical Characteristics NEW PRODUCT Symbol Parameter VIH High-Level Input Voltage VIL Low-Level input voltage VOH VOL IOFF II IOZ ICC ∆ICC Ci Test Conditions 1.65V to 1.95V High-Level Output Voltage Low-Level Output Voltage Power Down Leakage Current Input Current Control Pins Z-State Current including Input Current I/O Pins Supply Current TA = -40°C to +85°C Min Max VCC 2.3V to 2.7V 3.0V to 3.6V VCC X 0.65 1.7 2 1.65V to 1.95V — 2.3V to 2.7V 3.0V to 3.6V — — IOH = -50μA 1.65V to 3.6V IOH = -4mA 1.65V IOH = -8mA IOH = -12mA TA = -40°C to +125°C Min Max — — VCC X 0.65 1.7 2 — — — Unit — — VCC X 0.35 0.7 0.8 — — VCC-0.2 — VCC -0.3 — 1.2 — 1.05 — 2.3V 1.7 — 1.65 — 2.7V 3.0V 2.2 2.4 — — 2.05 2.48 — — IOH = -24mA 3.0V 2.3 — 2.0 — IOL = 100μA 1.65V to 3.6V — 0.2 — 0.3 IOL = 4mA 1.65V — 0.45 — 0.65 VCC X 0.35 0.7 0.8 V V V IOL = 8mA 2.3V — 0.60 — 0.80 IOL = 12mA 2.7V — 0.40 — 0.60 IOL = 24mA 3.0V — 0.55 — 0.80 VI or VO = 0 or 5.5V 0V — ±10 — 20 μA VI = GND or 5.5V 0 to 3.6V — ±5 — ±20 μA VI = GND or 5.5V VO = 0 to 5.5V 3.6V — ±5 — ±20 µA V VI = GND or VCC, IO = 0 3.6V — 10 — 40 μA Additional Supply Current One Input at VCC -0.6V IO = 0A 2.7V to 3.6V — 500 — 5000 μA Input Capacitance Control Pins I/O Pins VI = GND or VCC 4.0 typical 5.5 typical 0V to 3.6V 4.0 typical 5.5 typical pF Switching Characteristics Symbol Parameter tPD Propagation Delay AN to YN Test Conditions Figure 1 tEN Enable Time OE to YN Figure 1 tDIS Disable Time OE to YN Figure 1 tsk(0) Output Skew Time 74LVC541A Document number: DS35896 Rev. 1 - 2 VCC 1.8V ± 0.15V 2.5V ± 0.2 V 2.7V 3.3V ± 0.3V 1.8V ± 0.15V 2.5V ± 0.2V 2.7V 3.3V ± 0.3V 1.8V ± 0.15V 2.5V ± 0.2V 2.7V 3.3V ± 0.3V TA = +25°C Min 1 1 1 1.5 1 1 1 1.5 1 1 1 1.7 Typ 6.0 3.9 4.2 3.8 7 4.5 5.4 4.4 7.8 5 4.4 4.1 3.3V ± 0.3V TA = -40°C to +85°C TA = -40°C to +125°C Max 13.2 8.6 7.5 6.5 14.8 13 8.3 6.4 15.5 8.7 7.5 6.9 1.0 4 of 10 www.diodes.com Min 1 1 1 1.5 1 1 1 1.5 1 1 1 1.7 Max 17.7 9.6 7.9 6.9 17.5 16.5 7.5 7.0 16.5 9.0 7.7 7.0 Min 1 1 1 1.5 1 1 1 1.5 1 1 1 1.7 Max 18.9 10.7 9.5 8.8 18.5 17.5 11.5 8.0 18.2 9.6 10.0 9.0 Unit 1.5 July 2014 © Diodes Incorporated ns ns ns ns 74LVC541A Operating Characteristics TA = +25°C Symbol Power dissipation capacitance per gate Cpd NEW PRODUCT Parameter Test Conditions F = 10 MHz VCC 1.8V ± 0.15V 2.5V ± 0.2V 3.3V ± 0.3V Typ Unit 9.9 10.2 10.6 pF Package Characteristics Symbol θJA θJC θJA θJC Note: Parameter Thermal Resistance Junction-to-Ambient Thermal Resistance Junction-to-Case Thermal Resistance Junction-to-Ambient Thermal Resistance Junction-to-Case Package Test Conditions Min Typ Max Unit TSSOP-20 (Note 9) — 74 — °C/W TSSOP-20 (Note 9) — 15 — °C/W V-QFN4525-20 (Note 9) — 67 — °C/W V-QFN4525-20 (Note 9) — 20 — °C/W 9. Test conditions for TSSOP-20 and V-QFN4525-20: Devices mounted on 4 layer FR-4 substrate PC board, 2oz copper, with minimum recommended pad layout per JESD 51-7. 74LVC541A Document number: DS35896 Rev. 1 - 2 5 of 10 www.diodes.com July 2014 © Diodes Incorporated 74LVC541A Parameter Measurement Information RL S1 From Output Under Test C Inputs VCC V∆ 30pF 1KΩ 0.15V 30pF 500Ω 0.15V 50pF 50pF 500Ω 500Ω 0.3V 0.3V VLOAD CL ≤2ns VCC/2 2 x VCC ≤2ns VCC/2 1.5V 1.5V 2 x VCC 6V 6V tr/tf 1.8V ± 0.15V VCC 2.5V ± 0.2V VCC 2.7V 2.7V ≤2.5ns ≤2.5ns S1 Open VLOAD GND RL VM VI 2.7V 3.3V ± 0.3V TEST tPLH/tPHL tPLZ/tPZL tPHZ/tPZH RL L (see Note A) NEW PRODUCT VLOAD Open GND Voltage Waveform Pulse Duration Voltage Waveform Enable and Disable Times Low and High Level Enabling Voltage Waveform Propagation Delay Times Inverting and Non Inverting Outputs Notes: A. Includes test lead and test apparatus capacitance. B. All pulses are supplied at pulse repetition rate ≤ 10 MHz. C. Inputs are measured separately one transition per measurement. D. tPLZ and tPHZ are the same as tdis. E. tPZL and tPZH are the same as tEN0 F. tPLH and tPHL are the same as tPD. Figure 1 Load Circuit and Voltage Waveforms 74LVC541A Document number: DS35896 Rev. 1 - 2 6 of 10 www.diodes.com July 2014 © Diodes Incorporated 74LVC541A Marking Information (1) TSSOP20 NEW PRODUCT 74LVC541A Part Number 74LVC541AT20 (2) Package TSSOP-20 QFN-20 (V-QFN4525-20) 74LVC541A Part Number 74LVC541AQ20 74LVC541A Document number: DS35896 Rev. 1 - 2 Package V-QFN4525-20 7 of 10 www.diodes.com July 2014 © Diodes Incorporated 74LVC541A Package Outline Dimensions Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for the latest version. (1) TSSOP-20 D NEW PRODUCT θ2 E1 E 0.25 Gauge Plane θ3 PIN 1 ID MARK Seating Plane θ1 e L DETAIL L1 A2 b (2) A TSSOP-20 Dim Min Max Typ A 1.20 A1 0.05 0.15 A2 0.80 1.05 b 0.19 0.30 c 0.09 0.20 D 6.40 6.60 6.50 E 6.20 6.60 6.40 E1 4.30 4.50 4.40 e 0.65 BSC L 0.45 0.75 0.60 L1 1.0 REF 0° 8° θ1 10° 14° 12° θ2 10° 14° 12° θ3 All Dimensions in mm A1 QFN-20 (V-QFN4525-20) 1 A 3 A A e n a l P g n i t a e S D I 1 # n i P ︶ D ︵ e x 4 1 Z ︵ ︶ E 2 E 2 D x 0 2 L ︵ Document number: DS35896 Rev. 1 - 2 ︵ x 0 2 74LVC541A b x 4 Z ︵ ︶ ︶ V-QFN4525-20 Dim Min Max Typ A 0.75 0.85 0.80 A1 0.00 0.05 0.02 A3 0.15 b 0.18 0.30 0.23 D 4.45 4.55 4.50 D2 2.85 3.15 3.00 E 2.45 2.55 2.50 E2 0.85 1.15 1.00 e 0.50BSC L 0.30 0.50 0.40 Z 0.385 Z1 0.885 All Dimensions in mm ︶ 8 of 10 www.diodes.com July 2014 © Diodes Incorporated 74LVC541A Suggested Pad Layout Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for the latest version. (1) TSSOP-20 X (20x) NEW PRODUCT C Y1 Dimensions C X X1 Y Y1 Y2 Y2 Y (20x) Value (in mm) 0.650 0.420 6.270 1.789 4.160 7.720 X1 (2) QFN-20 (V-QFN4525-20) 4 X 3 X 1 X 2 X 3 Y 1 Y 2 Y Y Document number: DS35896 Rev. 1 - 2 Value (in mm) 0.500 0.330 0.600 3.200 3.830 4.800 0.600 1.200 0.830 2.800 C X 74LVC541A Dimensions C X X1 X2 X3 X4 Y Y1 Y2 Y3 9 of 10 www.diodes.com July 2014 © Diodes Incorporated 74LVC541A IMPORTANT NOTICE NEW PRODUCT DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION). Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further notice to this document and any product described herein. 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