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SN74ABTH32316PN Fiches technique(PDF) 3 Page - Texas Instruments |
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SN74ABTH32316PN Fiches technique(HTML) 3 Page - Texas Instruments |
3 / 13 page SN54ABTH32316, SN74ABTH32316 16-BIT TRI-PORT UNIVERSAL BUS EXCHANGERS SCBS179E – JUNE 1992 – REVISED MAY 1997 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 description (continued) Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level. The SN54ABTH32316 is characterized for operation over the full military temperature range of –55 °C to 125°C. The SN74ABTH32316 is characterized for operation from –40 °C to 85°C. Function Tables STORAGE† INPUTS OUTPUT CLKENA CLKA LEA A OUTPUT H X L X Q0‡ L ↑ LL L L ↑ LH H X HL X Q0‡ X LL X Q0‡ X XH L L X X H H H † A-port register shown. B and C ports are similar but use CLKENB, CLKENC, CLKB, CLKC, LEB, and LEC. ‡ Output level before the indicated steady-state input conditions were established A-PORT OUTPUT INPUTS OUTPUT A OEA SELA OUTPUT A H X Z L H Output of C register L L Output of B register B-PORT OUTPUT INPUTS OUTPUT B OEB SELB OUTPUT B H X Z L H Output of A register L L Output of C register C-PORT OUTPUT INPUTS OUTPUT C OEC SELC OUTPUT C H X Z L H Output of B register L L Output of A register |
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Description similaire - SN74ABTH32316PN |
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