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SN74ALS29846 Datasheet(PDF) 2 Page - Texas Instruments |
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SN74ALS29846 Datasheet(HTML) 2 Page - Texas Instruments |
2 / 7 page ′ALS29845 ′ALS29846 SN74ALS29845, SN74ALS29846 8BIT BUS INTERFACE DTYPE LATCHES WITH 3STATE OUTPUTS SDAS150 − D3118 — JUNE 1988 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 2 description (continued) for interface or pullup components. The output controls do not affect the internal operation of the latches. Old data can be retained or new data can be entered while the outputs are in the high-impedance state. The SN74ALS29845 and SN74ALS29846 are characterized for operation from 0 °C to 70°C FUNCTION TABLES INPUTS OUTPUT INPUTS OUTPUT PRE CLR OC1 OC2 OC3 C D Q PRE CLR OC1 OC2 OC3 C D Q L X L L L X X H L X L L L X X H H LL LL X X L H LL LL X X L H HL L L H L H H HL L L H L H H HL L L H H L H HL L L H H L H HL L L L X Q0 H HL L L L X Q0 X XX X H X X Z X XX X H X X Z X XX H X X X Z X XX H X X X Z .X XH X X X X Z X XH X X X X Z . logic symbols† 1 2 23 14 11 13 3 4 5 6 7 8 9 10 22 21 20 19 18 17 16 15 & EN 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q 2 1D C1 R S2 OC1 OC2 OC3 PRE CLR C 1D 2D 3D 4D 5D 6D 7D 8D 1 2 23 14 11 13 3 4 5 6 7 8 9 10 22 21 20 19 18 17 16 15 & EN 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q 2 1D C1 R S2 OC1 OC2 OC3 PRE CLR C 1D 2D 3D 4D 5D 6D 7D 8D ′ALS29845 ′ALS29846 † This symbol is in accordance with ANSI/IEEE Std. 91-1984 and IEC Publication 617-12. Pin numbers shown are for DW and NT packages. |
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