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SN74BCT646DWRG4 数据表(PDF) 3 Page - Texas Instruments |
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SN74BCT646DWRG4 数据表(HTML) 3 Page - Texas Instruments |
3 / 18 page SN54BCT646, SN74BCT646 OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3STATE OUTPUTS SCBS037D − AUGUST 1989 − REVISED MAY 2004 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 REAL-TIME TRANSFER BUS B TO BUS A 21 L 3 DIR H 1 CLKAB X 23 CLKBA X 2 SAB L 22 SBA X REAL-TIME TRANSFER BUS A TO BUS B 21 X 3 DIR X 1 CLKAB 23 CLKBA X 2 SAB X 22 SBA X STORAGE FROM A, B, OR A AND B 21 L 3 DIR L 1 CLKAB X 23 CLKBA H or L 2 SAB X 22 SBA H TRANSFER STORED DATA TO A AND/OR B X H X X XX X X X L H H or L X H X ↑ ↑ ↑ ↑ OE OE OE OE Pin numbers shown are for the DW, JT, NT, and W packages. Figure 1. Bus-Management Functions |
类似零件编号 - SN74BCT646DWRG4 |
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类似说明 - SN74BCT646DWRG4 |
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