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SN74AUC74RGYR Arkusz danych(PDF) 4 Page - Texas Instruments |
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SN74AUC74RGYR Arkusz danych(HTML) 4 Page - Texas Instruments |
4 / 12 page www.ti.com Timing Requirements Switching Characteristics Switching Characteristics Operating Characteristics SN74AUC74 DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOP WITH CLEAR AND PRESET SCES483A – AUGUST 2003 – REVISED MARCH 2005 over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1) VCC = 1.2 V VCC = 1.5 V VCC = 1.8 V VCC = 2.5 V VCC = 0.8 V ± 0.1 V ± 0.1 V ± 0.15 V ± 0.2 V UNIT TYP MIN MAX MIN MAX MIN MAX MIN MAX fclock Clock frequency 100 225 250 300 350 MHz CLK high or low 4.6 1.3 0.6 0.5 0.5 tw Pulse duration CLR low 6.6 2 1.5 1.5 1.5 ns PRE low 4.8 1.8 1.5 1.5 1.5 Data 2.3 1 0.6 0.6 0.7 Setup time before tsu CLR inactive 0 0 0 0 0.3 ns CLK ↑ PRE inactive 0 0 0 0.2 0.3 th Hold time, data after CLK ↑ 2.1 0.3 0.3 0.3 0.3 ns over recommended operating free-air temperature range, C L = 15 pF (unless otherwise noted) (see Figure 1) VCC = 1.2 V VCC = 1.5 V VCC = 1.8 V VCC = 2.5 V VCC = 0.8 V FROM TO ± 0.1 V ± 0.1 V ± 0.15 V ± 0.2 V PARAMETER UNIT (INPUT) (OUTPUT) TYP MIN MAX MIN MAX MIN TYP MAX MIN MAX fmax 100 225 250 300 350 MHz CLK 9.5 1.3 4 0.7 2.5 0.5 1.2 2.1 0.5 1.4 tpd CLR Q or Q 10.5 1.5 4.1 1.1 2.9 0.9 1.4 2.4 0.7 1.6 ns PRE 12 1.6 4.7 1.1 2.8 0.9 1.4 2.4 0.7 1.6 over recommended operating free-air temperature range, C L = 30 pF (unless otherwise noted) (see Figure 1) VCC = 1.8 V VCC = 2.5 V FROM TO ± 0.15 V ± 0.2 V PARAMETER UNIT (INPUT) (OUTPUT) MIN TYP MAX MIN MAX fmax 300 350 MHz CLK 1.2 1.9 2.8 1 2.2 tpd CLR Q or Q 1.3 2.1 3 1.1 2.4 ns PRE 1.3 2.1 3.1 1.1 2.5 T A = 25°C VCC = 0.8 V VCC = 1.2 V VCC = 1.5 V VCC = 1.8 V VCC = 2.5 V TEST PARAMETER UNIT CONDITIONS TYP TYP TYP TYP TYP Power dissipation Cpd f = 10 MHz 36 36 36 37 41 pF capacitance 4 |
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