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SN74AHC273DWR 데이터시트(PDF) 5 Page - Texas Instruments |
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SN74AHC273DWR 데이터시트(HTML) 5 Page - Texas Instruments |
5 / 18 page SN54AHC273, SN74AHC273 OCTAL D-TYPE FLIP-FLOPS WITH CLEAR SCLS376G – JUNE 1997 – REVISED JULY 2003 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 switching characteristics over recommended operating free-air temperature range, VCC = 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1) PARAMETER FROM TO LOAD TA = 25°C SN54AHC273 SN74AHC273 UNIT PARAMETER (INPUT) (OUTPUT) CAPACITANCE MIN TYP MAX MIN MAX MIN MAX UNIT f CL = 15 pF 75* 120* 65* 65 MHz fmax CL = 50 pF 50 75 45 45 MHz tPHL CLR Q CL = 15 pF 8.9* 13.6* 1* 16* 1 16 ns tPLH CLK Q CL =15 pF 8.7* 13.6* 1* 16* 1 16 ns tPHL CLK Q CL = 15 pF 8.7* 13.6* 1* 16* 1 16 ns tPHL CLR Q CL = 50 pF 11.4 17.1 1 19.5 1 19.5 ns tPLH CLK Q CL =50 pF 11.2 17.1 1 19.5 1 19.5 ns tPHL CLK Q CL = 50 pF 11.2 17.1 1 19.5 1 19.5 ns tsk(o) CL = 50 pF 1.5** 1.5 ns * On products compliant to MIL-PRF-38535, this parameter is not production tested. ** On products compliant to MIL-PRF-38535, this parameter does not apply. switching characteristics over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1) PARAMETER FROM TO LOAD TA = 25°C SN54AHC273 SN74AHC273 UNIT PARAMETER (INPUT) (OUTPUT) CAPACITANCE MIN TYP MAX MIN MAX MIN MAX UNIT f CL = 15 pF 120* 165* 100* 100 MHz fmax CL = 50 pF 80 110 70 70 MHz tPHL CLR Q CL = 15 pF 5.2* 8.5* 1* 10* 1 10 ns tPLH CLK Q CL =15 pF 5.8* 9* 1* 10.5* 1 10.5 ns tPHL CLK Q CL = 15 pF 5.8* 9* 1* 10.5* 1 10.5 ns tPHL CLR Q CL = 50 pF 6.7 10.5 1 12 1 12 ns tPLH CLK Q CL =50 pF 7.3 11 1 12.5 1 12.5 ns tPHL CLK Q CL = 50 pF 7.3 11 1 12.5 1 12.5 ns tsk(o) CL = 50 pF 1** 1 ns * On products compliant to MIL-PRF-38535, this parameter is not production tested. ** On products compliant to MIL-PRF-38535, this parameter does not apply. noise characteristics, VCC = 5 V, CL = 50 pF, TA = 25°C (see Note 4) PARAMETER SN74AHC273 UNIT PARAMETER MIN TYP MAX UNIT VOL(P) Quiet output, maximum dynamic VOL 0.7 V VOL(V) Quiet output, minimum dynamic VOL –0.7 V VOH(V) Quiet output, minimum dynamic VOH 4.7 V VIH(D) High-level dynamic input voltage 3.5 V VIL(D) Low-level dynamic input voltage 1.5 V NOTE 4: Characteristics are for surface-mount packages only. operating characteristics, TA = 25°C PARAMETER TEST CONDITIONS TYP UNIT Cpd Power dissipation capacitance No load, f = 1 MHz 31 pF |
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