General description
The 74HC4046A; 74HCT4046A is a high-speed Si-gate CMOS device. It is specified in
compliance with JEDEC standard no 7A.
Features and benefits
 Low power consumption
 VCO-Inhibit control for ON/OFF keying and for low standby power consumption
 Center frequency up to 17 MHz (typical) at VCC = 4.5 V
 Choice of three phase comparators:
 PC1: EXCLUSIVE-OR
 PC2: Edge-triggered J-K flip-flop
 PC3: Edge-triggered RS flip-flop
 Excellent Voltage Controlled Oscillator (VCO) linearity
 Low frequency drift with supply voltage and temperature variations
 Operating power supply voltage range:
 VCO section 3.0 V to 6.0 V
 Digital section 2.0 V to 6.0 V
 Zero voltage offset due to operational amplifier buffering
 ESD protection:
 HBM JESD22-A114F exceeds 2000 V
 MM JESD22-A115-A exceeds 200 V
Applications
 FM modulation and demodulation
 Frequency synthesis and multiplication
 Frequency discrimination
 Tone decoding
 Data synchronization and conditioning
 Voltage-to-frequency conversion
 Motor-speed control