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74LVC540A Scheda tecnica(PDF) 2 Page - Diodes Incorporated |
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74LVC540A Scheda tecnica(HTML) 2 Page - Diodes Incorporated |
2 / 10 page 74LVC540A Document number: DS35890 Rev. 1 - 2 2 of 10 www.diodes.com July 2014 © Diodes Incorporated 74LVC540A Ordering Information 74 LVC 540A xxx -13 Logic Device Function Package Packing 74 : Logic Prefix 540 : Octal Buffer/Line Driver with 3 State Outputs T20 : TSSOP-20 -13 : 13” Tape & Reel Q20 : QFN-20 Part Number Package Code Package (Note 4 & 5) Package Size 13” Tape and Reel Quantity Part Number Suffix 74LVC540AT20-13 T20 TSSOP-20 6.4mm X 6.5mm X 1.2mm 0.65 mm lead pitch 2500/Tape & Reel -13 74LVC540AQ20-13 Q20 V-QFN4525-20 2.5mm X 4.5mm X 0.95mm 0.50 mm lead pitch 2500/Tape & Reel -13 Notes: 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 Description 1 OE1 Output Enable 1 2 A1 Data Input 3 A2 Data Input 4 A3 Data Input 5 A4 Data Input 6 A5 Data Input 7 A6 Data Input 8 A7 Data Input 9 A8 Data Input 10 GND Ground 11 B8 Data Output 12 B7 Data Output 13 B6 Data Output 14 B5 Data Output 15 B4 Data Output 16 B3 Data Output 17 B2 Data Output 18 B1 Data Output 19 OE2 Output Enable 2 20 VCC Supply Voltage Logic Diagram Function Table INPUTS OUTPUT OE1 OE2 A Q L L L H L L H L H X X Z X H X Z |
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