HD61945MP

      The HD61945MP for PLL synthesizer IC has been developed for cellular applications.Here you can get some information about the features.First,HD61945MP incoporates an 11-bit counter for standard frequency,a 10-bit main counter for the comparative frequency and a 7-bit swallow counter.Secondly,it has low power dissipation in intermittent operation mode.
      What comes next is about the absolute maximum ratings (Ta=25,V_SS=0 V) of HD61945MP.The supply voltage (V_DDmax) is 7.0 V.The input terminal voltage range (V_IN) is from -0.3 to V_DD+0.3 V.The power dissipation (P_d) is 500 mV.The operating ambient temperature range (T_opr) is from -30 to 75 .The storage temerature range (T_stg) is from -55 to 125 .
      The following is about some electrical characteristics (Ta=25,V_DD=5.0 V,V_SS=0 V) of HD61945MP.The minimum supply voltage (V_DD) is 4.75 V,the typical is 5.00 V and the maximum is 5.25 V at pin 24.The minimum input voltage (1) (V_IH1) is 0.7*V_DD V at pin 3,15,17,18.The maximum input voltage (2) (V_IL1) is 0.3*V_DD V at pin 19,20,23.The minimum input voltage (1) (V_OH) is V_DD-0.4 V at pin 1,7,9,10,12 under the condition of -I_OH=0.4 mA.The maximum output voltage (2) (V_OL) is 0.4 V at pin 13,14,16,21,22,26,28 under the condition of I_OL=0.4 mA.The maximum input leakage current (1) (I_IH(1)) is 1A at pin 4,5,12 under the condition of V_IN=5.0 V.The minimum input leakage current (2) (I_IL₍₂₎) is -1A at pin 4,5,12,15,17,18,19,20,27 under the condition of V_IN=0 V.The typical operating current (I_CC) is 7.5A and the maximum is 12.0 A at pin 30.The maximum three-state leakage current (1) (I_ZH) is 1A at pin 7 under the condition of V₇=5.0 V.The minimum three-state leakage current (2) (I_ZL) is -1A at pin 7 under the condition of V₇=0 V.The maximum switch-on voltage (I_4ON) is 1 V at pin 4.The minimum switch-off voltage (I_4OFF) is 4.2 V and the typical is 4.5 V at pin 4.The minimum output voltage (3) (V_IH2) is 4.1 V at pin 12.The maximum output voltage (2) (V_IL2) is 0.8 V at pin 12.