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SN74AHCT240-Q1 Folha de dados(PDF) 1 Page - Texas Instruments |
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SN74AHCT240-Q1 Folha de dados(HTML) 1 Page - Texas Instruments |
1 / 9 page SN74AHCT240Q1 OCTAL BUFFER/DRIVER WITH 3STATE OUTPUTS SCLS582B − APRIL 2004 − REVISED APRIL 2008 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Qualified for Automotive Applications D Inputs Are TTL-Voltage Compatible D Latch-Up Performance Exceeds 250 mA Per JESD 17 description/ordering information This octal buffer/driver is designed specifically to improve the performance and density of 3-state memory-address drivers, clock drivers, and bus-oriented receivers and transmitters. The SN74AHCT240 device is organized as two 4-bit buffers/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 shall be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. ORDERING INFORMATION{ TA PACKAGE‡ ORDERABLE PART NUMBER TOP-SIDE MARKING −40 °C to 85°C TSSOP − PW Tape and reel SN74AHCT240IPWRQ1 AHCT240I † For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI web site at http://www.ti.com. ‡ Package drawings, thermal data, and symbolization are available at http://www.ti.com/packaging. FUNCTION TABLE (each 4-bit buffer/driver) INPUTS OUTPUT OE A OUTPUT Y L H L L LH H X Z Copyright 2008, Texas Instruments Incorporated 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. 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. 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 1OE 1A1 2Y4 1A2 2Y3 1A3 2Y2 1A4 2Y1 GND VCC 2OE 1Y1 2A4 1Y2 2A3 1Y3 2A2 1Y4 2A1 PW PACKAGE (TOP VIEW) |
Nº de peça semelhante - SN74AHCT240-Q1 |
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Descrição semelhante - SN74AHCT240-Q1 |
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