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HC595Y Datasheet(PDF) 9 Page - STMicroelectronics |
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HC595Y Datasheet(HTML) 9 Page - STMicroelectronics |
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9 / 22 page ![]() DocID1989 Rev 6 9/22 M74HC595 Electrical characteristics 22 Table 7. AC electrical characteristics (CL = 50 pF, input tr = tf = 6 ns) Symbol Parameter Test condition Value Unit VCC (V) CL (pF) TA = 25°C -40 to 85°C -55 to 125°C Min. Typ. Max. Min. Max. Min. Max. tTLH, tTHL Output transition time (Qn) 2.0 50 25 60 75 90 ns 4.5 7 12 15 18 6.0 6 10 13 15 tTLH, tTHL Output transition time (QH’) 2.0 50 30 75 95 115 ns 4.5 8 15 19 23 6.0 7 13 16 20 tPLH, tPHL Propagation delay time (SCK - QH’) 2.0 50 45 125 155 190 ns 4.5 15 25 31 38 6.0 13 21 26 32 tPLH, tPHL Propagation delay time (SCLR - QH’) 2.0 50 60 175 220 265 ns 4.5 18 35 44 53 6.0 15 30 37 45 tPLH, tPHL Propagation delay time (RCK - Qn) 2.0 50 60 150 190 225 ns 4.5 20 30 38 45 6.0 17 26 32 38 2.0 150 75 190 240 285 ns 4.5 25 38 48 57 6.0 22 32 41 48 tPZL, tPZH High impedance output enable time 2.0 50 RL = 1 KΩ 45 135 170 205 ns 4.5 15 27 34 41 6.0 13 23 29 35 2.0 150 RL = 1 KΩ 60 175 220 265 ns 4.5 20 35 44 53 6.0 17 30 37 45 tPLZ, tPHZ High impedance output disable time 2.0 50 RL = 1 KΩ 30 150 190 225 ns 4.5 15 30 38 45 6.0 14 26 32 38 |
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