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SN74HC244DWG4 Datasheet(PDF) 1 Page - Texas Instruments |
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SN74HC244DWG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 16 page SN54HC244, SN74HC244 OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS SCLS130D – DECEMBER 1982 – REVISED AUGUST 2003 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Wide Operating Voltage Range of 2 V to 6 V D High-Current Outputs Drive Up To 15 LSTTL Loads D 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers D Low Power Consumption, 80-µA Max ICC D Typical tpd = 11 ns D ±6-mA Output Drive at 5 V D Low Input Current of 1 µA Max 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 SN54HC244 ...J OR W PACKAGE SN74HC244 . . . DB, DW, N, NS, OR PW PACKAGE (TOP VIEW) 32 1 20 19 910 11 12 13 4 5 6 7 8 18 17 16 15 14 1Y1 2A4 1Y2 2A3 1Y3 1A2 2Y3 1A3 2Y2 1A4 SN54HC244 . . . FK PACKAGE (TOP VIEW) description/ordering information These octal buffers and line drivers are designed specifically to improve both the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. The ’HC244 devices are organized as two 4-bit buffers/drivers with separate output-enable (OE) inputs. When OE is low, the device passes noninverted data from the A inputs to the Y outputs. When OE is high, the outputs are in the high-impedance state. ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING –40 C to 85 C PDIP – N Tube of 20 SN74HC244N SN74HC244N –40 C to 85 C SOIC – DW Tube of 25 SN74HC244DW HC244 –40 C to 85 C SOIC – DW Reel of 2000 SN74HC244DWR HC244 –40 °C to 85°C SOP – NS Reel of 2000 SN74HC244NSR HC244 –40 °C to 85°C SSOP – DB Reel of 2000 SN74HC244DBR HC244 TSSOP – PW Tube of 70 SN74HC244PW HC244 TSSOP – PW Reel of 2000 SN74HC244PWR HC244 Reel of 250 SN74HC244PWT –55 C to 125 C CDIP – J Tube of 20 SNJ54HC244J SNJ54HC244J –55 °C to 125°C CFP – W Tube of 85 SNJ54HC244W SNJ54HC244W LCCC – FK Tube of 55 SNJ54HC244FK SNJ54HC244FK † 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 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. 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. On products compliant to MIL-PRF-38535, all parameters are tested unless otherwise noted. On all other products, production processing does not necessarily include testing of all parameters. |
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