MC145157-2

The MC145157-2 is an improvedperformance dropin replacement for the MC1451571. Power consumption has decreased and ESD and latchup performance have improved. The feature of MC145157-2 are as follows: (1)operating temperature range: -40 to 85; (2)low power consumption through use of CMOS technology; (3)3.0 to 9.0 V supply range; (4)fV and fR outputs; (5)lock detect signal; (6)compatible with the serial peripheral interface (SPI) on CMOS MCUs; (7)"linearized"digital phase detector; (8)single-ended (three-state) or double-ended phase detector outputs; (9)chip complexity: 6504 FETs or 1626 equivalent gates.

The absolute maximum ratings of the MC145157-2 are: (1)DC supply voltage: 0.5 to + 10.0 V; (2)input or output voltage (DC or Transient) except SW1, SW2: -0.5 to VDD + 0.5 V; (3)output voltage (DC or transient), SW1, SW2 (Rpull-p = 4.7 kW): -0.5 to + 15 V; (4)input or output current (DC or transient), per Pin: ±10 mA; (5)supply current, VDD or VSS Pins: ±30 mA; (6)power dissipation, per package: 500 mW; (7)storage temperature: -65 to + 150 ; (8)lead temperature, 1 mm from Case for 10 seconds: 260 .

The following is about the electrical characteristics of MC145157-2: (1)power supply voltage range: 3V min and 9V max; (2)dynamic supply current: 3.5mA max at fin = OSCin = 10 MHz, 1 V pp ac coupled sine wave, R = 128, A = 32, N = 128; (3)quiescent supply current(not including pullup current component): 800A max at Vin = VDD or VSS, Iout = 0 mA; (4)input voltage - fin, OSCin: 500mV p-p min at Input ac coupled sine wave; (5)lowlevel input voltage- fin, OSCin: 0V max at Vout2.1 V Input dc, Vout3.5 V coupled, Vout 6.3 V square wave; (6)highlevel input voltage- fin, OSCin: 3.0V min at Vout0.9 V Input dc; (7)lowlevel input voltage- except fin, OSCin: 0.9V max; (8)highlevel input voltage- except fin, OSCin: 2.1V min; (9)input current (fin, OSCin):±2A min and ±50A max at Vin = VDD or VSS; (10)input leakage current (data, CLK, ENB -without pullups): -0.3A max at Vin = VSS; (11)input leakage current (all inputs except fin, OSCin): 0.3A max at Vin = VDD.