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74HCT161PW 数据表(PDF) 7 Page - NXP Semiconductors |
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74HCT161PW 数据表(HTML) 7 Page - NXP Semiconductors |
7 / 12 page December 1990 7 Philips Semiconductors Product specification Presettable synchronous 4-bit binary counter; asynchronous reset 74HC/HCT161 DC CHARACTERISTICS FOR 74HC For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”. Output capability: standard ICC category: MSI AC CHARACTERISTICS FOR 74HC GND = 0 V; tr =tf = 6 ns; CL = 50 pF SYMBOL PARAMETER Tamb (°C) UNIT TEST CONDITIONS 74HC VCC (V) WAVEFORMS +25 −40 to +85 −40 to +125 min. typ. max. min. max. min. max. tPHL/ tPLH propagation delay CP to Qn 61 22 18 190 38 32 240 48 41 285 57 48 ns 2.0 4.5 6.0 Fig.8 tPHL/ tPLH propagation delay CP to TC 69 25 20 215 43 37 270 54 46 325 65 55 ns 2.0 4.5 6.0 Fig.8 tPHL propagation delay MR to Qn 63 23 18 210 42 36 265 53 45 315 63 54 ns 2.0 4.5 6.0 Fig.9 tPHL propagation delay MR to TC 63 23 18 220 44 37 275 55 47 330 66 56 ns 2.0 4.5 6.0 Fig.9 tPHL/ tPLH propagation delay CET to TC 33 12 10 150 30 26 190 38 33 225 45 38 ns 2.0 4.5 6.0 Fig.10 tTHL/ tTLH output transition time 19 7 6 75 15 13 95 19 16 110 22 19 ns 2.0 4.5 6.0 Figs 8 and 10 tW clock pulse width HIGH or LOW 80 16 14 22 8 6 100 20 17 120 24 20 ns 2.0 4.5 6.0 Fig.8 tW master reset pulse width; LOW 80 16 14 19 7 6 100 20 17 120 24 20 ns 2.0 4.5 6.0 Fig.9 trem removal time MR to CP 100 20 17 19 7 6 125 25 21 150 30 26 ns 2.0 4.5 6.0 Fig.9 tsu set-up time Dn to CP 80 16 14 25 9 7 100 20 17 120 24 20 ns 2.0 4.5 6.0 Fig.11 tsu set-up time PE to CP 100 20 17 30 11 9 125 25 21 150 30 26 ns 2.0 4.5 6.0 Fig.11 |
类似零件编号 - 74HCT161PW |
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类似说明 - 74HCT161PW |
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