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SN74LVC244ARWPR 数据表(PDF) 1 Page - Texas Instruments |
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SN74LVC244ARWPR 数据表(HTML) 1 Page - Texas Instruments |
1 / 34 page 1 2 18 1Y1 1OE 1A1 4 16 1Y2 1A2 6 14 1Y3 1A3 8 12 1Y4 1A4 19 11 9 2Y1 2OE 2A1 13 7 2Y2 2A2 15 5 2Y3 2A3 17 3 2Y4 2A4 Pin numbers shown are for the DB, DGV, DW, N, NS, PW, and RGY packages. Product Folder Sample & Buy Technical Documents Tools & Software Support & Community An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. SN74LVC244A SCAS414AA – NOVEMBER 1992 – REVISED JUNE 2016 SN74LVC244A Octal Buffer or Driver With 3-State Outputs 1 1 Features 1 • Operates From 1.65 V to 3.6 V • Inputs Accept Voltages to 5.5 V • Specified From –40°C to +85°C and –40°C to +125°C • Maximum tpd of 5.9 ns at 3.3 V • Typical VOLP (Output Ground Bounce) < 0.8 V at VCC = 3.3 V, TA = 25°C • Typical VOHV (Output VOH Undershoot) > 2 V at VCC = 3.3 V, TA = 25°C • Supports Mixed-Mode Signal Operation on All Ports (5-V Input or Output Voltage With 3.3-V VCC) • Ioff Supports Live Insertion, Partial-Power-Down Mode, and Back-Drive Protection • Can Be Used as a Down Translator to Translate Inputs From a Maximum of 5.5 V Down to the VCC Level • Available in Ultra Small Logic QFN Package (0.5 mm Maximum Height) • Latch-Up Performance Exceeds 250 mA Per JESD 17 • ESD Protection Exceeds JESD 22 – 2000-V Human-Body Model – 1000-V Charged-Device Model 2 Applications • Servers • LED Displays • Network Switches • Telecom Infrastructure • Motor Drivers • I/O Expanders 3 Description These octal bus buffers are designed for 1.65-V to 3.6-V VCC operation. The SN74LVC244A devices are designed for asynchronous communication between data buses. Device Information PART NUMBER PACKAGE BODY SIZE (NOM) SN74LVC244AN PDIP (20) 25.40 mm × 6.35 mm SN74LVC244ANS SO (20) 12.60 mm × 5.30 mm SN74LVC244ADB SSOP (20) 7.50 mm × 5.30 mm SN74LVC244ADGV TVSOP (20) 5.00 mm × 4.40 mm SN74LVC244ADW SOIC (20) 12.80 mm × 7.50 mm SN74LVC244ARGY VQFN (20) 4.50 mm × 3.50 mm SN74LVC244AZQN BGA (20) 3.00 mm × 4.00 mm SN74LVC244APW TSSOP (20) 6.50 mm × 4.40 mm SN74LVC244ARWP X1QFN (20) 2.50 mm × 3.30 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Simplified Schematic |
类似零件编号 - SN74LVC244ARWPR |
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类似说明 - SN74LVC244ARWPR |
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