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CD74AC174-MIL Folha de dados(PDF) 4 Page - Texas Instruments |
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CD74AC174-MIL Folha de dados(HTML) 4 Page - Texas Instruments |
4 / 14 page CD74AC174 HEX D-TYPE FLIP-FLOP WITH CLEAR SCHS346 – APRIL 2003 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 timing requirements over recommended operating free-air temperature range, VCC = 3.3 V ± 0.3 V (unless otherwise noted) –55 °C to 125 °C –40 °C to 85 °C UNIT MIN MAX MIN MAX fclock Clock frequency 68 77 MHz t Pulse duration CLR low 5.6 4.9 ns tw Pulse duration CLK high or low 7.3 6.4 ns tsu Setup time before CLK ↑ Data 2 2 ns th Hold time, data after CLK ↑ 4.2 3.7 ns trec Recovery time, before CLK ↑ CLR ↑ 1.5 1.5 ns timing requirements over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V (unless otherwise noted) –55 °C to 125 °C –40 °C to 85 °C UNIT MIN MAX MIN MAX fclock Clock frequency 95 108 MHz t Pulse duration CLR low 4 3.5 ns tw Pulse duration CLK high or low 5.2 4.6 ns tsu Setup time before CLK ↑ Data 2 2 ns th Hold time, data after CLK ↑ 3 2.6 ns trec Recovery time, before CLK ↑ CLR ↑ 1.5 1.5 ns switching characteristics over recommended operating free-air temperature range, VCC = 1.5 V, CL = 50 pF (unless otherwise noted) (see Figure 1) PARAMETER FROM (INPUT) TO (OUTPUT) –55 °C to 125 °C –40 °C to 85°C UNIT (INPUT) (OUTPUT) MIN MAX MIN MAX UNIT fmax 8 9 MHz tPLH CLK Any Q 169 154 ns tPHL CLK Any Q 169 154 ns tPLH CLR Any Q 181 165 ns tPHL CLR Any Q 181 165 ns switching characteristics over recommended operating free-air temperature range, VCC = 3.3 V ± 0.3 V, CL = 50 pF (unless otherwise noted) (see Figure 1) PARAMETER FROM (INPUT) TO (OUTPUT) –55 °C to 125 °C –40 °C to 85 °C UNIT (INPUT) (OUTPUT) MIN MAX MIN MAX fmax 68 77 MHz tPLH CLK Any Q 4.7 18.9 4.9 17.2 ns tPHL CLK Any Q 4.7 18.9 4.9 17.2 ns tPLH CLR Any Q 5.1 20.3 5.2 18.5 ns tPHL CLR Any Q 5.1 20.3 5.2 18.5 ns |
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