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SN74ALS842 Datasheet(PDF) 1 Page - Texas Instruments |
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SN74ALS842 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 11 page  SN54ALS841, SN54AS841, SN54ALS842, SN54AS842 SN74ALS841, SN74AS841, SN74ALS842, SN74AS842 10-BIT BUS INTERFACE D-TYPE LATCHES WITH 3-STATE OUTPUTS SDAS059B – D2910, DECEMBER 1983 – REVISED MAY 1986 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 Copyright © 1986, Texas Instruments Incorporated 5BASIC 1 • 3-State Buffer-Type Outputs Drive Bus-Lines Directly • Bus-Structured Pinout • Provide Extra Bus Driving Latches Necessary for Wider Address/Data Paths or Buses with Parity • Buffered Control Inputs to Reduce DC Loading • Power-Up High-Impedance State • Package Options Include Plastic Small Outline Packages, Both Plastic and Ceramic Chip Carriers, and Standard Plastic and Ceramic 300-mil DIPs • Dependable Texas Instruments Quality and Reliability description These 10-bit latches feature 3-state outputs designed specifically for driving highly-capacitive or relatively low-impedance loads. They are particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers. The ten latches are transparent D-type. The ’ALS841 and ’AS841 have noninverting data (D) inputs. The ’ALS842 and ’AS842 have inverting D inputs. 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 OC 1D 2D 3D 4D 5D 6D 7D 8D 9D 10D GND VCC 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q 9Q 10Q C SN54ALS841, SN54AS841 . . . JT PACKAGE SN74ALS841, SN74AS841 . . . DW OR NT PACKAGE (TOP VIEW) 32 1 13 14 5 6 7 8 9 10 11 3Q 4Q 5Q NC 6Q 7Q 8Q 3D 4D 5D NC 6D 7D 8D 4 15 16 17 18 SN54ALS841, SN54AS841 . . . FK PACKAGE SN74ALS841, SN74AS841 . . . FN PACKAGE (TOP VIEW) 28 27 26 25 24 23 22 21 20 19 12 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 OC 1D 2D 3D 4D 5D 6D 7D 8D 9D 10D GND VCC 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q 9Q 10Q C SN54ALS842, SN54AS842 . . . JT PACKAGE SN74ALS842, SN74AS842 . . . DW OR NT PACKAGE (TOP VIEW) 32 1 13 14 5 6 7 8 9 10 11 3Q 4Q 5Q NC 6Q 7Q 8Q 3D 4D 5D NC 6D 7D 8D 4 15 16 17 18 SN54ALS842, SN54AS842 . . . FK PACKAGE SN74ALS842, SN74AS842 . . . FN PACKAGE (TOP VIEW) 28 27 26 25 24 23 22 21 20 19 12 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. 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. |
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