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M74HC165 数据表(PDF) 9 Page - STMicroelectronics |
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M74HC165 数据表(HTML) 9 Page - STMicroelectronics |
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9 / 21 page ![]() M74HC165 Electrical characteristics 9/21 Table 7. AC electrical characteristics (CL = 50 pF, Input tr = tf = 6ns) Symbol Parameter Test condition Value Unit VCC (V) TA = 25°C -40 to 85°C -55 to 125°C Min Typ Max Min Max Min Max tTLH tTHL Output transition time 2.0 30 75 95 110 ns 4.5 8 15 19 22 6.0 7 13 16 19 tPLH tPHL Propagation delay time (CLOCK - QH, QH) 2.0 55 150 190 225 ns 4.5 18 30 38 45 6.0 15 26 33 38 tPLH tPHL Propagation delay time (SHIFT/LOAD - QH, QH) 2.0 65 165 205 250 ns 4.5 21 33 41 50 6.0 18 28 35 43 tPLH tPHL Propagation delay time (H - QH, QH) 2.0 52 135 170 205 ns 4.5 17 27 34 41 6.0 14 23 29 35 fMAX Maximum clock frequency 2.0 7.4 15 6.0 4.8 MHz 4.5 37 60 30 24 6.0 44 71 35 28 tW(H) tW(L) Minimum pulse width (CLOCK) 2.0 24 75 95 110 ns 4.5 6 15 19 22 6.0 5 13 16 19 tW(L) Minimum pulse width (SHIFT/LOAD) 2.0 32 75 95 110 ns 4.5 8 15 19 22 6.0 7 13 16 19 ts Minimum set-up time (PI-SHIFT/LOAD) (SI - CLOCK) (SHIFT/LOAD - CK) 2.0 24 75 95 110 ns 4.5 6 15 19 22 6.0 5 13 16 19 th Minimum hold time (PI - SHIFT/LOAD) (SI - CLOCK) (SHIFT/LOAD - CK) 2.0 0 0 0 ns 4.5 0 0 0 6.0 0 0 0 tREM Minimum removal time (CLOCK - CK INH) 2.0 20 75 95 110 ns 4.5 5 15 19 22 6.0 4 13 16 19 |
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