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74ACQ244SJ Scheda tecnica(PDF) 6 Page - Fairchild Semiconductor |
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74ACQ244SJ Scheda tecnica(HTML) 6 Page - Fairchild Semiconductor |
6 / 12 page ©1989 Fairchild Semiconductor Corporation www.fairchildsemi.com 74ACQ244, 74ACTQ244 Rev. 1.3 6 AC Electrical Characteristics for ACQ Note: 10. Voltage range 5.0 is 5.0V ± 0.5V. Voltage range 3.3 is 3.3V ± 0.3V. 11. Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The specification applies to any outputs switching in the same direction, either HIGH-to-LOW (tOSHL) or LOW-to-HIGH (tOSLH). Parameter guaranteed by design. AC Electrical Characteristics for ACTQ Notes: 12. Voltage range 5.0 is 5.0V ± 0.5V. 13. Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The specification applies to any outputs switching in the same direction, either HIGH-to-LOW (tOSHL) or LOW-to-HIGH (tOSLH). Parameter guaranteed by design. Capacitance Symbol Parameter VCC (V) (10) TA = +25°C, CL = 50pF TA = –40°C to +85°C, CL = 50pF Units Min. Typ. Max. Min. Max. tPHL, tPLH Propagation Delay Data to Output 3.3 2.0 7.0 9.0 2.0 9.5 ns 5.0 1.5 5.0 6.0 1.5 6.5 tPZL , tPZH Output Enable Time 3.3 2.5 8.0 12.0 2.5 12.5 ns 5.0 1.5 6.5 8.0 1.5 8.5 tPHZ, tPLZ Output Disable Time 3.3 1.0 9.0 13.5 1.0 14.0 ns 5.0 1.0 7.5 9.0 1.0 9.5 tOSHL, tOSLH Output to Output Skew Data to Output(11) 3.3 1.0 1.5 1.5 ns 5.0 0.5 1.0 1.0 Symbol Parameter VCC (V) (12) TA = +25°C, CL = 50pF TA = –40°C to +85°C, CL = 50pF Units Min. Typ. Max. Min. Max. tPHL, tPLH Propagation Delay, Data to Output 5.0 1.5 5.5 6.5 1.5 7.0 ns tPZL, tPZH Output Enable Time 5.0 1.5 7.0 8.5 1.5 9.0 ns tPHZ, tPLZ Output Disable Time 5.0 1.0 8.0 9.5 1.0 10.0 ns tOSHL, tOSLH Output to Output Skew, Data to Output(13) 5.0 0.5 1.0 1.0 ns Symbol Parameter Conditions Typ. Units CIN Input Capacitance VCC = OPEN 4.5 pF CPD Power Dissipation Capacitance VCC = 5.0V 70 pF |
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