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MC145202F Scheda tecnica(PDF) 5 Page - Motorola, Inc |
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MC145202F Scheda tecnica(HTML) 5 Page - Motorola, Inc |
5 / 24 page MC145202 MOTOROLA 5 AC INTERFACE CHARACTERISTICS (VDD = VCC = 2.7 to 5.5 V, TA = – 40 to + 85°C, CL = 25 pF, Input tr = tf = 10 ns; VPD = 2.7 to 5.5 V) Symbol Parameter Figure No. Guaranteed Limit Unit fclk Serial Data Clock Frequency (Note: Refer to Clock tw below) 1 dc to 4.0 MHz tPLH, tPHL Maximum Propagation Delay, CLK to OUTPUT A (Selected as Data Out) 1, 5 100 ns tPLH, tPHL Maximum Propagation Delay, ENB to OUTPUT A (Selected as Port) 2, 5 150 ns tPZL, tPLZ Maximum Propagation Delay, ENB to OUTPUT B 2, 6 150 ns tTLH, tTHL Maximum Output Transition Time, OUTPUT A and OUTPUT B; tTHLonly, on OUTPUT B 1, 5, 6 50 ns Cin Maximum Input Capacitance – Din, ENB, CLK 10 pF TIMING REQUIREMENTS (VDD = VCC = 2.7 to 5.5 V, TA = – 40 to + 85°C, Input tr = tf = 10 ns, unless otherwise indicated) Symbol Parameter Figure No. Guaranteed Limit Unit tsu, th Minimum Setup and Hold Times, Din vs CLK 3 50 ns tsu, th, trec Minimum Setup, Hold and Recovery Times, ENB vs CLK 4 100 ns tw Minimum Pulse Width, ENB 4 * cycles tw Minimum Pulse Width, CLK 1 125 ns tr, tf Maximum Input Rise and Fall Times, CLK 1 100 µs * The minimum limit is 3 REFin cycles or 195 fin cycles, whichever is greater. |
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