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SN74AHC244MPWREPG4 Datasheet(PDF) 1 Page - Texas Instruments |
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SN74AHC244MPWREPG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 11 page SN74AHC244-EP OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS SCLS486A – MAY 2003 – REVISED JUNE 2003 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Controlled Baseline – One Assembly/Test Site, One Fabrication Site D Extended Temperature Performance of –55 °C to 125°C D Enhanced Diminishing Manufacturing Sources (DMS) Support D Enhanced Product-Change Notification D Qualification Pedigree† D EPIC (Enhanced-Performance Implanted CMOS) Process D Operating Range 2-V to 5.5-V VCC D Latch-Up Performance Exceeds 250 mA Per JESD 17 D ESD Protection Exceeds 1500 V Per MIL-STD-833, Method 3015; Exceeds 150 V Using Machine Model (C = 200 pF, R = 0) † Component qualification in accordance with JEDEC and industry standards to ensure reliable operation over an extended temperature range. This includes, but is not limited to, Highly Accelerated Stress Test (HAST) or biased 85/85, temperature cycle, autoclave or unbiased HAST, electromigration, bond intermetallic life, and mold compound life. Such qualification testing should not be viewed as justifying use of this component beyond specified performance and environmental limits. 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 SN74AHC244 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 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. ORDERING INFORMATION TA PACKAGE‡ ORDERABLE PART NUMBER TOP-SIDE MARKING 55 °Cto125°C SOIC – D Tape and reel SN74AHC244MDWREP AHC244MEP –55 °C to 125°C TSSOP – PW Tape and reel SN74AHC244MPWREP AHC244EP ‡ Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. Copyright 2003, 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. EPIC is a trademark of Texas Instruments. 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 DW OR PW PACKAGE (TOP VIEW) |
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