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SN74AUC244RGYRG4 датащи(PDF) 1 Page - Texas Instruments |
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SN74AUC244RGYRG4 датащи(HTML) 1 Page - Texas Instruments |
1 / 13 page SN74AUC244 OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS SCES432 – MARCH 2003 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Optimized for 1.8-V Operation and is 3.6-V I/O Tolerant to Support Mixed-Mode Signal Operation D Ioff Supports Partial-Power-Down Mode Operation D Sub 1-V Operable D Max tpd of 1.9 ns at 1.8 V D Low Power Consumption, 20-µA Max ICC D ±8-mA Output Drive at 1.8 V D Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II D ESD Protection Exceeds JESD 22 – 2000-V Human-Body Model (A114-A) – 200-V Machine Model (A115-A) – 1000-V Charged-Device Model (C101) description/ordering information This octal buffer/driver is operational at 0.8-V to 2.7-V VCC, but is designed specifically for 1.65-V to 1.95-V VCC operation. The SN74AUC244 is organized as two 4-bit line drivers with separate output-enable (OE) inputs. When OE is low, the device passes data from the A inputs to the Y outputs. When OE is high, the outputs are in the high-impedance state. To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down. ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING –40 °C to 85°C QFN – RGY Tape and reel SN74AUC244RGYR MS244 † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. FUNCTION TABLE (each 4-bit buffer/driver) INPUTS OUTPUT OE A Y L H H L LL H X Z Copyright 2003, Texas Instruments Incorporated Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. RGY PACKAGE (TOP VIEW) 120 10 11 2 3 4 5 6 7 8 9 19 18 17 16 15 14 13 12 2OE 1Y1 2A4 1Y2 2A3 1Y3 2A2 1Y4 1A1 2Y4 1A2 2Y3 1A3 2Y2 1A4 2Y1 PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
Аналогичный номер детали - SN74AUC244RGYRG4 |
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Аналогичное описание - SN74AUC244RGYRG4 |
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