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SN74HC74 Scheda tecnica(PDF) 7 Page - Texas Instruments |
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SN74HC74 Scheda tecnica(HTML) 7 Page - Texas Instruments |
7 / 15 page SN54HC74, SN74HC74 www.ti.com SCLS094E – DECEMBER 1982 – REVISED DECEMBER 2015 Timing Requirements (continued) over recommended operating free-air temperature range, TA = 25°C (unless otherwise noted) VCC TA MIN MAX UNIT 2 V 0 th Hold time, data after CLK ↑ 4.5 V 0 ns 6 V 0 6.7 Switching Characteristics over recommended operating free-air temperature range, CL = 50 pF (unless otherwise noted) (see Figure 2) FROM TO PARAMETER VCC TA MIN TYP MAX UNIT (INPUT) (OUTPUT) TA = 25°C 6 10 2 V SN54HC74 4.2 SN74HC74 6 TA = 25°C 31 50 fmax 4.5 V SN54HC74 21 MHz SN74HC74 25 TA = 25°C 36 60 6 V SN54HC74 25 SN74HC74 29 TA = 25°C 70 230 2 V SN54HC74 345 SN74HC74 290 TA = 25°C 20 46 PRE or CLR Q or Q 4.5 V SN54HC74 69 SN74HC74 58 TA = 25°C 15 39 6 V SN54HC74 59 SN74HC74 49 tpd ns TA = 25°C 70 175 2 V SN54HC74 250 SN74HC74 220 TA = 25°C 20 35 CLK Q or Q 4.5 V SN54HC74 50 SN74HC74 44 TA = 25°C 15 30 6 V SN54HC74 42 SN74HC74 37 TA = 25°C 28 75 2 V SN54HC74 110 SN74HC74 95 TA = 25°C 8 15 tt Q or Q 4.5 V SN54HC74 22 ns SN74HC74 19 TA = 25°C 6 13 6 V SN54HC74 19 SN74HC74 16 Copyright © 1982–2015, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: SN54HC74 SN74HC74 |
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