CF5021AB Datasheet

22 to 70 Mhz, 3OT


Features, Applications

The SM5021 series are crystal oscillator module ICs fabricated in NPC's Molybdenum-gate CMOS, that incorporate high-frequency, low current consumption oscillator and output buffer circuits. Highly accurate thin-film feedback resistors and high-frequency capacitors are built-in, eliminating the need for external components to make a stable 3rd-harmonic oscillator.


3rd overtone oscillation Capacitors CG, CD built-in Inverter amplifier feedback resistor built-in (A�, B� series) TTL input level 4 mA (VDD 2.7 V) drive capability 8 mA (VDD 4.5 V) drive capability

Output three-state function 5.5 V supply voltage (A�, K� series) 5.5 V supply voltage (B�, L� series) Oscillator frequency output 6-pin SOT (SM5021��H) Chip form (CF5021��)

Chip size: 0.80 mm Chip thickness: 30 �m Chip base: V DD level

Number Name INH XT VSS Q VDD XT I/O Description Output state control input. High impedance when LOW. Pull-up resistor built in Amplifier input. Ground Output. Output frequency (fO ) Supply voltage Amplifier output. Crystal oscillator connection pins. Crystal oscillator connected between XT and XT Crystal oscillator connection pins. Crystal oscillator connected between XT and XT Pad dimensions [�m] X Y



Manufacturer information

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