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SN74AHC157DBR bảng dữ liệu(PDF) 4 Page - Texas Instruments |
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SN74AHC157DBR bảng dữ liệu(HTML) 4 Page - Texas Instruments |
4 / 19 page SN54AHC157, SN74AHC157 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS SCLS345I – MAY 1996 – REVISED JULY 2003 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VCC TA = 25°C SN54AHC157 SN74AHC157 UNIT PARAMETER TEST CONDITIONS VCC MIN TYP MAX MIN MAX MIN MAX UNIT 2 V 1.9 2 1.9 1.9 IOH = –50 mA 3 V 2.9 3 2.9 2.9 VOH 4.5 V 4.4 4.5 4.4 4.4 V OH IOH = –4 mA 3 V 2.58 2.48 2.48 IOH = –8 mA 4.5 V 3.94 3.8 3.8 2 V 0.1 0.1 0.1 IOL = 50 mA 3 V 0.1 0.1 0.1 VOL 4.5 V 0.1 0.1 0.1 V OL IOL = 4 mA 3 V 0.36 0.5 0.44 IOL = 8 mA 4.5 V 0.36 0.5 0.44 II A or B inputs VI = 5.5 V or GND 0 V to 5.5 V ±0.1 ±1* ±1 mA ICC VI = VCC or GND, IO = 0 5.5 V 4 40 40 mA Ci VI = VCC or GND 5 V 2 10 10 pF * On products compliant to MIL-PRF-38535, this parameter is not production tested at VCC = 0 V. 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 SN54AHC157 SN74AHC157 UNIT PARAMETER (INPUT) (OUTPUT) CAPACITANCE MIN TYP MAX MIN MAX MIN MAX UNIT tPLH AorB Y CL =15 pF 6.2** 9.7** 1** 11.5** 1 11.5 ns tPHL A or B Y CL = 15 pF 6.2** 9.7** 1** 11.5** 1 11.5 ns tPLH A/B Y CL =15 pF 8.4** 13.2** 1** 15.5** 1 15.5 ns tPHL A/B Y CL = 15 pF 8.4** 13.2** 1** 15.5** 1 15.5 ns tPLH G Y CL =15 pF 8.7** 13.6** 1** 16** 1 16 ns tPHL G Y CL = 15 pF 8.7** 13.6** 1** 16** 1 16 ns tPLH AorB Y CL =50 pF 8.7 13.2 1 15 1 15 ns tPHL A or B Y CL = 50 pF 8.7 13.2 1 15 1 15 ns tPLH A/B Y CL =50 pF 10.9 16.7 1 19 1 19 ns tPHL A/B Y CL = 50 pF 10.9 16.7 1 19 1 19 ns tPLH G Y CL =50 pF 11.2 17.1 1 19.5 1 19.5 ns tPHL G Y CL = 50 pF 11.2 17.1 1 19.5 1 19.5 ns ** On products compliant to MIL-PRF-38535, this parameter is not production tested. |
Số phần tương tự - SN74AHC157DBR |
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Mô tả tương tự - SN74AHC157DBR |
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