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SN74HC273-Q1 데이터시트(PDF) 11 Page - Texas Instruments |
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SN74HC273-Q1 데이터시트(HTML) 11 Page - Texas Instruments |
11 / 32 page CLK 1D 3 1D C1 R 1Q 2 2D 4 1D C1 R 2Q 5 3D 7 1D C1 R 3Q 6 4D 8 1D C1 R 4Q 9 5D 13 1D C1 R 5Q 12 6D 14 1D C1 R 6Q 15 7D 17 1D C1 R 7Q 16 8D 18 1D C1 R 8Q 19 CLR 11 1 Copyright © 2016, Texas Instruments Incorporated 11 SN54HC273, SN74HC273 www.ti.com SCLS136E – DECEMBER 1982 – REVISED JULY 2016 Product Folder Links: SN54HC273 SN74HC273 Submit Documentation Feedback Copyright © 1982–2016, Texas Instruments Incorporated 8 Detailed Description 8.1 Overview The SNx4HC273 contains eight flip-flops with single-rail outputs with individual data input to each flip-flop. The outputs can drive up to 10 LSTTL loads. The device has direct active low clear input. 8.2 Functional Block Diagram 8.3 Feature Description The SNx4HC273 has low power consumption with a maximum CC of 80 µA. The typical tpd for the SNx4HC273 is 12 ns and the output drive is ±4 mA at 5 V. The SNx4HC273 also has very low input current, with the maximum set at 1 µA. 8.4 Device Functional Modes Table 1 lists the functional modes of the SNx4HC273. Table 1. Function Table (Each Flip-Flop) INPUTS OUTPUT Q CLR CLK D L X X L H ↑ H H H ↑ L L H L X Q0 |
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