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SN74AHC273PWRG4 Datasheet(PDF) 6 Page - Texas Instruments |
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SN74AHC273PWRG4 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 30 page SN54AHC273, SN74AHC273 SCLS376I – JUNE 1997 – REVISED MARCH 2015 www.ti.com 7.7 Timing Requirements, VCC = 5 V ± 0.5 V over recommended operating free-air temperature range (unless otherwise noted) (see Figure 3) SN54AHC273 SN74AHC273 TA = 25°C TA = 25°C UNIT MIN MAX MIN MAX MIN MAX MIN MAX CLR low 5 5 5 5 tw Pulse Duration ns CLK high or low 5 5 5 5 Data before CLK ↑ 4.5 4.5 4.5 4.5 tsu Setup time ns CLR before CLK ↑ 2 2 2 2 th Hold time, data after CLK ↑ 1.5 2 1 1 ns 7.8 Switching Characteristics, VCC = 3.3 V ± 0.3 V over recommended operating free-air temperature range (unless otherwise noted) (see Figure 3) TA = 25°C SN54AHC273 SN74AHC273 FROM TO LOAD PARAMETER UNIT (INPUT) (OUTPUT) CAPACITANCE MIN TYP MAX MIN MAX MIN MAX CL = 15 pF 75(1) 120(1) 65(1) 65 fmax MHz CL = 50 pF 50 75 45 45 tPHL CLR Q CL = 15 pF 8.9(1) 13.6(1) 1(1) 16(1) 1 16 ns tPLH 8.7(1) 13.6(1) 1(1) 16(1) 1 16 CKL Q CL = 15 pF tPHL 8.7(1) 13.6(1) 1(1) 16(1) 1 16 ns tPHL CLR Q CL = 50 pF 11.4 17.1 1 19.5 1 19.5 tPLH 11.2 17.1 1 19.5 1 19.5 ns CLK Q CL = 50 pF tPHL 11.2 17.1 1 19.5 1 19.5 ns tsk(o) CL = 50 pF 1.5(2) 1.5 ns (1) On products compliant to MIL-PRF-38535, this parameter is not production tested. (2) On products compliant to MIL-PRF-38535, this parameter does not apply. 7.9 Switching Characteristics, VCC = 5 V ± 0.5 V over recommended operating free-air temperature range (unless otherwise noted) (see Figure 3) TA = 25°C SN54AHC273 SN74AHC273 FROM TO LOAD PARAMETER UNIT (INPUT) (OUTPUT) CAPACITANCE MIN TYP MAX MIN MAX MIN MAX CL = 15 pF 120(1) 165(1) 100(1) 100 fmax MHz CL = 50 pF 80 110 70 70 tPHL CLR Q CL = 15 pF 5.2(1) 8.5(1) 1(1) 10(1) 1 10 ns tPLH 5.8(1) 9(1) 1(1) 10.5(1) 1 10.5 CKL Q CL = 15 pF tPHL 5.8(1) 9(1) 1(1) 10.5(1) 1 10.5 ns tPHL CLR Q CL = 50 pF 6.7 10.5 1 12 1 12 tPLH 7.3 11 1 12.5 1 12.5 ns CLK Q CL = 50 pF tPHL 7.3 11 1 12.5 1 12.5 ns tsk(o) CL = 50 pF 1(2) 1 ns (1) On products compliant to MIL-PRF-38535, this parameter is not production tested. (2) On products compliant to MIL-PRF-38535, this parameter does not apply. 6 Submit Documentation Feedback Copyright © 1997–2015, Texas Instruments Incorporated Product Folder Links: SN54AHC273 SN74AHC273 |
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