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MM74HC589 Datasheet(PDF) 4 Page - Fairchild Semiconductor |
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MM74HC589 Datasheet(HTML) 4 Page - Fairchild Semiconductor |
4 / 9 page www.fairchildsemi.com 4 AC Electrical Characteristics VCC = 5V, TA = 25°C, CL = 15 pF, tr = tf = 6 ns AC Electrical Characteristics VCC = 2.0−6V, CL = 50 pF, tr = tf = 6 ns (unless otherwise specified) Symbol Parameter Conditions Typ Guaranteed Limit Units fMAX Maximum Operating Frequency for SCK 50 30 MHz tPHL, tPLH Maximum Propagation Delay from SCK to QH’ 30 ns tPHL, tPLH Maximum Propagation Delay from SLOAD to QH’ 30 ns tPHL, tPLH Maximum Propagation Delay from LCK to QH’ SLOAD = logic “0” 25 45 ns tPZH, tPZL Output Enable Time RL = 1 kΩ 18 28 ns tPHZ, tPLZ Output Disable Time RL = 1 kΩ, CL = 5 pF 19 25 ns tS Minimum Setup Time from RCK to SCK 10 20 ns tS Minimum Setup Time from SER to SCK 10 20 ns tS Minimum Setup Time from Inputs A thru H to RCK 10 20 ns tH Minimum Hold Time 0 5 ns tW Minimum Pulse Width SCK, RCK, SLOAD 816 ns Symbol Parameter Conditions VCC TA = 25°CTA = −40 to 85°CTA = −55 to 125°C Units Typ Guaranteed Limits fMAX Maximum Operating 2.0V 6 4.8 4 MHz Frequency for SCK 4.5V 30 24 20 MHz 6.0V 35 28 24 MHz tPHL, tPLH Maximum Propagation 2.0V 62 175 220 265 ns Delay from SCK or 4.5V 20 35 44 53 ns SLOAD to QH 6.0V 18 30 37 45 ns tPHL, tPLH Maximum Propagation 2.0V 120 225 280 340 ns Delay from SCK or CL = 150 pF 4.5V 31 45 56 68 ns SLOAD to QH 6.0V 28 38 48 58 ns tPHL, tPLH Maximum Propagation 2.0V 80 210 265 315 ns Delay from RCK to QH 4.5V 25 42 53 63 ns 6.0V 21 36 45 54 ns tPHL, tPLH Maximum Propagation 2.0V 80 210 265 313 ns Delay RCK to QH CL = 150 pF 4.5V 25 52 66 77 ns 6.0V 21 44 56 66 ns tPZH, tPZL Output Enable Time RL = 1 kΩ 2.0V 70 150 189 224 ns 4.5V 22 30 38 45 ns 6.0V 20 26 32 38 ns tPHZ, tPLZ Output Disable Time RL = 1 kΩ 2.0V 70 150 189 224 ns 4.5V 22 30 38 45 ns 6.0V 20 26 32 38 ns tS Minimum Setup Time 2.0V 100 125 150 ns from RCK to SCK 4.5V 20 25 30 ns 6.0V 17 22 25 ns tS Minimum Setup Time 2.0V 100 125 150 ns from SER to SCK 4.5V 20 25 30 ns 6.0V 17 22 25 ns tS Minimum Setup Time 2.0V 100 125 150 ns from Inputs A thru H 4.5V 20 25 30 ns to RCK 6.0V 17 22 25 ns tH Minimum Hold Time 2.0V −55 5 5 ns 4.5V 0 5 5 5 ns 6.0V 1 5 5 5 ns tW Minimum Pulse Width 2.0V 30 80 100 120 ns SCK, RCK, SLOAD, 4.5V 9 16 20 24 ns SLOAD 6.0V 8 14 17 20 ns |
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