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74HCT299D 데이터시트(PDF) 6 Page - NXP Semiconductors |
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74HCT299D 데이터시트(HTML) 6 Page - NXP Semiconductors |
6 / 11 page December 1990 6 Philips Semiconductors Product specification 8-bit universal shift register; 3-state 74HC/HCT299 DC CHARACTERISTICS FOR 74HC For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”. Output capability: bus driver (parallel I/Os) standard (serial outputs) 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 Q0, Q7 66 24 19 200 40 34 250 50 43 300 60 51 ns 2.0 4.5 6.0 Fig.6 tPHL/ tPLH propagation delay CP to I/On 66 24 19 200 40 34 250 50 43 300 60 51 ns 2.0 4.5 6.0 Fig.6 tPHL/ propagation delay MR to Q0, Q7 or I/On 66 24 19 200 40 34 250 50 43 300 60 51 ns 2.0 4.5 6.0 Fig.7 tPZH 3-state output enable time OEn to I/On 50 18 14 155 31 26 195 39 33 235 47 40 ns 2.0 4.5 6.0 Fig.9 tPZL 3-state output enable time OEn to I/On 41 15 12 130 26 22 165 33 28 195 39 33 ns 2.0 4.5 6.0 Fig.9 tPHZ 3-state output disable time OEn to I/On 66 24 19 185 37 31 230 46 39 280 56 48 ns 2.0 4.5 6.0 Fig.9 tPLZ 3-state output disable time OEn to I/On 55 20 16 155 31 26 195 39 33 235 47 40 ns 2.0 4.5 6.0 Fig.9 tTHL/ tTLH output transition time bus driver (I/On) 14 5 4 60 12 10 75 15 13 90 18 15 ns 2.0 4.5 6.0 Fig.6 tTHL/ tTLH output transition time standard (Q0, Q7) 19 7 6 75 15 13 95 19 16 110 22 19 ns 2.0 4.5 6.0 Fig.6 tW clock pulse width HIGH or LOW 80 16 14 17 6 5 100 20 17 120 24 20 ns 2.0 4.5 6.0 Fig.6 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.7 |
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