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SN74HC244APWLE Fiches technique(PDF) 1 Page - Texas Instruments |
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SN74HC244APWLE Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 32 page 1OE 1 1A1 2 18 1Y1 1A2 4 16 1Y1 1A3 6 14 1Y1 1A4 8 12 1Y4 2OE 19 2A1 11 9 1Y1 2A2 13 7 1Y1 2A3 15 5 1Y1 2A4 17 3 1Y4 Copyright © 2016, Texas Instruments Incorporated 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. SN54HC244, SN74HC244 SCLS130E – DECEMBER 1982 – REVISED MAY 2016 SNx4HC244 Octal Buffers and Line Drivers With 3-State Outputs 1 1 Features 1 • Wide Operating Voltage Range of 2 V to 6 V • High-Current Outputs Drive Up to 15 LSTTL Loads • 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers • Low Power Consumption: ICC, 80-µA (Maximum) • Typical tpd = 11 ns • ±6-mA Output Drive at 5 V • Low Input Current of 1 µA (Maximum) • 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. 2 Applications • Servers • LED Displays • Network Switches • Telecom Infrastructure • Motor Drivers • I/O Expanders 3 Description The SNx4HC244 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 SNx4HC244 devices are organized as two 4-bit buffers and 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. Device Information(1) PART NUMBER PACKAGE (PINS) BODY SIZE (NOM) SN54HC244 CDIP (20) 6.92 mm × 24.38 mm CFP (20) 6.92 mm × 13.72 mm LCCC (20) 8.89 mm × 8.89 mm SN74HC244DB SSOP (20) 5.30 mm × 7.25 mm SN74HC244DW SOIC (20) 7.50 mm × 12.80 mm SN74HC244N PDIP (20) 6.30 mm × 25.40 mm SN74HC244NS SOP (20) 5.30 mm × 12.60 mm SN74HC244PW TSSOP (20) 4.40 mm × 6.50 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Logic Diagram (Positive Logic) |
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