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MC74AC299DWR2 Scheda tecnica(PDF) 5 Page - ON Semiconductor |
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MC74AC299DWR2 Scheda tecnica(HTML) 5 Page - ON Semiconductor |
5 / 11 page MC74AC299, MC74ACT299 http://onsemi.com 5 AC CHARACTERISTICS (For Figures and Waveforms − See Section 3 of the ON Semiconductor FACT Data Book, DL138/D) Symbol Fig. No. Unit 74AC 74AC VCC* (V) Parameter Symbol Fig. No. Unit TA = −40°C to +85°C CL = 50 pF TA = +25°C CL = 50 pF VCC* (V) Parameter Symbol Fig. No. Unit Max Min Max Typ Min VCC* (V) Parameter tPLH Propagation Delay 3.3 9.0 − 20.5 7.5 22.5 ns 3−6 CP to I/On 5.0 6.0 − 14.5 5.0 16 tPHL Propagation Delay 3.3 10 − 23 8.5 24.5 ns 3−6 CP to I/On 5.0 6.5 − 16 6.0 17.5 tPHL Propagation Delay 3.3 9.0 − 22.5 7.5 25.0 ns 3−6 MR to Q0 or Q7 5.0 5.5 − 15.5 5.0 17.0 tPHL Propagation Delay 3.3 9.0 − 21.5 7.5 24.0 ns 3−6 MR to I/On 5.0 5.5 − 15.0 5.0 16.5 tPZH Output Enable Time 3.3 7.0 − 18 6.0 19.5 ns 3−7 OE to I/On 5.0 4.5 − 12.5 4.0 13.5 tPZL Output Enable Time 3.3 7.0 − 18 6.0 20.5 ns 3−8 OE to I/On 5.0 5.0 − 12.5 4.0 14 tPHZ Output Disable Time 3.3 6.5 − 18.5 5.5 19.5 ns 3−7 OE to I/On 5.0 3.5 − 14 3.0 15 tPLZ Output Disable Time 3.3 5.5 − 17 4.5 19 ns 3−8 OE to I/On 5.0 3.5 − 12.5 2.0 13.5 *Voltage Range 3.3 V is 3.3 V ±0.3 V. Voltage Range 5.0 V is 5.0 V ±0.5 V. AC OPERATING REQUIREMENTS Symbol Parameter VCC* (V) 74AC 74AC Unit Fig. No. TA = +25°C CL = 50 pF TA = −40°C to +85°C CL = 50 pF Typ Guaranteed Minimum ts Setup Time, HIGH or LOW 3.3 − 8.0 8.5 ns 3−9 S0 or S1 to CP 5.0 − 5.0 5.5 th Hold Time, HIGH or LOW 3.3 − 0.5 0.5 ns 3−9 S0 or S1 to CP 5.0 − 1.0 1.0 ts Setup Time, HIGH or LOW 3.3 − 5.5 6.0 ns 3−9 I/On to CP 5.0 − 3.5 4.0 th Hold Time, HIGH or LOW 3.3 − 0 0 ns 3−9 I/On to CP 5.0 − 1.0 1.0 ts Setup Time, HIGH or LOW 3.3 − 6.5 7.0 ns 3−6 DS0 or DS7 to CP 5.0 − 4.0 4.5 th Hold Time, HIGH or LOW 3.3 − 0 0.5 ns 3−6 DS0 or DS7 to CP 5.0 − 1.0 1.0 tw CP Pulse Width, LOW 3.3 − 4.5 5.0 ns 3−6 5.0 − 3.5 3.5 tw MR Pulse Width, LOW 3.3 − 4.5 5.0 ns 3−9 5.0 − 3.5 3.5 trec Recovery TIme 3.3 − 1.5 1.5 ns 3−9 MR to CP 5.0 − 1.5 1.5 *Voltage Range 3.3 V is 3.3 V ±0.3 V. Voltage Range 5.0 V is 5.0 V ±0.5 V. |
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