高速CMOS逻辑锁相环与VCO High-Speed CMOS Logic Phase-Locked Loop with VCO
Description
The ’HC4046A and ’HCT4046A are high-speed silicon-gate CMOS devices that are pin compatible with the CD4046B of the “4000B” series. They are specified in compliance with JEDEC standard number 7.
Features
• Operating Frequency Range
\- Up to 18MHz Typ at VCC= 5V
\- Minimum Center Frequency of 12MHz at VCC= 4.5V
• Choice of Three Phase Comparators
\- EXCLUSIVE-OR
\- Edge-Triggered JK Flip-Flop
\- Edge-Triggered RS Flip-Flop
• Excellent VCO Frequency Linearity
• VCO-Inhibit Control for ON/OFF Keying and for Low Standby Power Consumption
• Minimal Frequency Drift
• Operating Power Supply Voltage Range
\- VCO Section . . . . . . . . . . . . . . . . . . . . . . . . . . 3V to 6V
\- Digital Section . . . . . . . . . . . . . . . . . . . . . . . . 2V to 6V
• Fanout Over Temperature Range
\- Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads
\- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
• Wide Operating Temperature Range . . . -55oC to 125oC
• Balanced Propagation Delay and Transition Times
• Significant Power Reduction Compared to LSTTL Logic ICs
• HC Types
\- 2V to 6V Operation
\- High Noise Immunity: NIL= 30%, NIH= 30% of VCC at VCC= 5V
• HCT Types
\- 4.5V to 5.5V Operation
\- Direct LSTTL Input Logic Compatibility, VIL= 0.8V Max, VIH = 2V Min
\- CMOS Input Compatibility, Il ≤1µA at VOL, VOH
Applications
• FM Modulation and Demodulation
• Frequency Synthesis and Multiplication
• Frequency Discrimination
• Tone Decoding
• Data Synchronization and Conditioning
• Voltage-to-Frequency Conversion
• Motor-Speed Control
