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SN54LVC646A Datasheet(PDF) 3 Page - Texas Instruments |
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SN54LVC646A Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 13 page 
SN54LVC646A, SN74LVC646A OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS SCAS302G – JANUARY 1993 – REVISED JUNE1998 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 21 L 3 DIR L 1 CLKAB X 23 CLKBA X 2 SAB X 22 SBA L 21 L 3 DIR H 1 CLKAB X 23 CLKBA X 2 SAB L 22 SBA X 21 X 3 DIR X 1 CLKAB 23 CLKBA X 2 SAB X 22 SBA X 21 L 3 DIR L 1 CLKAB X 23 CLKBA H or L 2 SAB X 22 SBA H X H X X XX X X X L H H or L X H X ↑ ↑ ↑ ↑ OE OE OE OE REAL-TIME TRANSFER BUS B TO BUS A REAL-TIME TRANSFER BUS A TO BUS B STORAGE FROM A, B, OR A AND B TRANSFER STORED DATA TO A AND/OR B Figure 1. Bus-Management Functions |
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