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SN74ALS843 - 9-BIT BUS-INTERFACE D-TYPE LATCH

Description

SN74ALS843 9-BIT BUS-INTERFACE D-TYPE LATCH WITH 3-STATE OUTPUTS SDAS232A DECEMBER 1983 REVISED JANUARY 1995 DW OR NT PACKAGE (TOP VIEW) OE 1 1D 2 2D 3 3D 4 4D 5 5D 6 6D 7 7D 8 8D 9 9D 10 CLR 11 GND 12 24 VCC 23 1Q 22 2Q 21 3Q 20 4Q 19 5Q 18 6Q 17 7Q 16 8Q 15 9Q 14 PRE 13 LE

Features

  • 3-state outputs designed specifically for driving highly capacitive or relatively low-impedance loads. It is particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers. The nine latches are transparent D-type latches with noninverting data (D) inputs. A buffered output-enable (OE) input places the nine outputs in either a normal logic state (high or low logic levels) or a high-impedance state. In the high-impedance state, the outputs neit.

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Datasheet Details

Part number SN74ALS843
Manufacturer Texas Instruments
File Size 274.83 KB
Description 9-BIT BUS-INTERFACE D-TYPE LATCH
Datasheet download datasheet SN74ALS843 Datasheet
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Full PDF Text Transcription

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• 3-State Buffer-Type Outputs Drive Bus Lines Directly • Bus-Structured Pinout • Provides Extra Bus-Driving Latches Necessary for Wider Address/Data Paths or Buses With Parity • Buffered Control Inputs to Reduce dc Loading Effects • Power-Up High-Impedance State • Package Options Include Plastic Small-Outline (DW) Packages and Standard Plastic (NT) 300-mil DIPs description SN74ALS843 9-BIT BUS-INTERFACE D-TYPE LATCH WITH 3-STATE OUTPUTS SDAS232A – DECEMBER 1983 – REVISED JANUARY 1995 DW OR NT PACKAGE (TOP VIEW) OE 1 1D 2 2D 3 3D 4 4D 5 5D 6 6D 7 7D 8 8D 9 9D 10 CLR 11 GND 12 24 VCC 23 1Q 22 2Q 21 3Q 20 4Q 19 5Q 18 6Q 17 7Q 16 8Q 15 9Q 14 PRE 13 LE This 9-bit bus-interface D-type latch features 3-state outputs designed specifically for driving highly capacitive or relatively low-impedan
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