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L99DZ80EP 数据表(PDF) 28 Page - STMicroelectronics |
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L99DZ80EP 数据表(HTML) 28 Page - STMicroelectronics |
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28 / 68 page ![]() Electrical specifications L99DZ80EP 28/68 DocID18260 Rev 6 For definition of the parameters please see Figure 9, Figure 10 and Figure 11. Table 22. AC-Characteristics Symbol Parameter Test condition Min. Typ. Max. Unit COUT (1) 1. Value of input capacity is not measured in production test. Parameter guaranteed by design. Output capacitance (DO) —— 10 pF CIN (1) Input capacitance (DI, CSN, CLK, DIR, PWMH) —— 10 pF Table 23. Dynamic characteristics Symbol Parameter Test condition Min. Typ. Max. Unit tCSNQVL DO enable from 3-state to low level CDO = 100 pF; IDO =1 mA; pull-up load to VCC; VS =13.5 V; VCC =5V 100 250 ns tCSNQVH DO enable from 3-state to high level CDO = 100pF; IDO =-1mA; pull-down load to GND; VS = 13.5 V; VCC =5V 100 250 ns tCSNQTL DO disable from low level to 3-state CDO = 100pF; IDO =4mA; pull-up load to VCC; VS =13.5 V; VCC =5V 380 450 ns tCSNQTH DO disable from high level to 3-state CDO = 100 pF; IDO =-4 mA; pull-down load to GND; VS = 13.5 V; VCC =5V 380 450 ns tCLKQV CLK falling until DO valid VDO <0.3 * VCC or VDO >0.7 * VCC; CDO =100 pF; VS = 13.5 V; VCC =5V 50 250 ns tSCSN CSN setup time, CSN low before rising edge of CLK VS = 13.5 V; VCC = 5 V 400 ns tSDI DI setup time, DI stable before rising edge of CLK VS = 13.5 V; VCC = 5 V 200 ns TCLK Clock Period VS = 13.5 V; VCC =5V 1000 ns tHCLK minimum CLK high time VS = 13.5 V; VCC =5V 115 ns tLCLK minimum CLK low time VS = 13.5 V; VCC =5V 115 ns tHCSN minimum CSN high time VS = 13.5 V; VCC =5V 4 µs tSCLK CLK setup time before CSN rising VS = 13.5 V; VCC = 5 V 400 ns tr DO DO rise time CDO = 100 pF; VS =13.5V; VCC =5V 80 140 ns tf DO DO fall time CDO = 100 pF; VS =13.5V; VCC =5V 50 100 ns |
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