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SN74AHC245-EP Scheda tecnica(PDF) 6 Page - Texas Instruments |
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SN74AHC245-EP Scheda tecnica(HTML) 6 Page - Texas Instruments |
6 / 32 page SN54AHC245, SN74AHC245 SCLS230J – OCTOBER 1995 – REVISED JULY 2014 www.ti.com 7.5 Electrical Characteristics over operating free-air temperature range (unless otherwise noted) TA = 25°C SN54AHC245 SN74AHC245 PARAMETER TEST CONDITIONS VCC UNIT MIN TYP MAX MIN MAX MIN MAX 2 V 1.9 2 1.9 1.9 IOH = –50 µA 3 V 2.9 3 2.9 2.9 VOH 4.5 V 4.4 4.5 4.4 4.4 V 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 µA 3 V 0.1 0.1 0.1 VOL 4.5 V 0.1 0.1 0.1 V IOL = 4 mA 3 V 0.36 0.5 0.44 IOL = 8 mA 4.5 V 0.36 0.5 0.44 A or B inputs 5.5 V ±0.1 ±1 ±1 II VI = VCC or GND µA OE or DIR 0 V to 5.5 V ±0.1 ±1(1) ±1 VO = VCC or GND, IOZ (2) 5.5 V ±0.25 ±2.5 ±2.5 µA VI (OE) = VIL or VIH ICC VI = VCC or GND, IO = 0 5.5 V 4 40 40 µA Ci OE or DIR VI = VCC or GND 5 V 2.5 10 10 pF Cio A or B inputs VI = VCC or GND 5 V 4 pF (1) On products compliant to MIL-PRF-38535, this parameter is not production tested at VCC = 0 V. (2) The parameter IOZ includes the input leakage current. 7.6 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 SN54AHC245 SN74AHC245 FROM TO LOAD PARAMETER UNIT (INPUT) (OUTPUT) CAPACITANCE MIN TYP MAX MIN MAX MIN MAX tPLH 5.8(1) 8.4(1) 1(1) 10(1) 1 10 A or B B or A CL = 15 pF ns tPHL 5.8(1) 8.4(1) 1(1) 10(1) 1 10 tPZH 8.5(1) 13.2(1) 1(1) 15.5(1) 1 15.5 OE A or B CL = 15 pF ns tPZL 8.5(1) 13.2(1) 1(1) 15.5(1) 1 15.5 tPHZ 8.9(1) 12.5(1) 1(1) 15.5(1) 1 15.5 OE A or B CL = 15 pF ns tPLZ 8.9(1) 12.5(1) 1(1) 15.5(1) 1 15.5 tPLH 8.3 11.9 1 13.5 1 13.5 A or B B or A CL = 50 pF ns tPHL 8.3 11.9 1 13.5 1 13.5 tPZH 11 16.7 1 19 1 19 OE A or B CL = 50 pF ns tPZL 11 16.7 1 19 1 19 tPHZ 11.5 15.8 1 18 1 18 OE A or B CL = 50 pF ns tPLZ 11.5 15.8 1 18 1 18 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. 6 Submit Documentation Feedback Copyright © 1995–2014, Texas Instruments Incorporated Product Folder Links: SN54AHC245 SN74AHC245 |
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