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Data sheet acquired from Harris Semiconductor SCHS218C
February 1998 - Revised October 2003
CD74HC7046A, CD74HCT7046A
Phase-Locked Loop with VCO and Lock Detector
[ /Title (CD74 HC704 6A, CD74 HCT70 46A) /Subject (PhaseLocked Loop
Features
Description
• Center Frequency of 18MHz (Typ) at VCC = 5V, Minimum Center Frequency of 12MHz at VCC = 4.5V
• Choice of Two Phase Comparators - Exclusive-OR - Edge-Triggered JK Flip-Flop
• Excellent VCO Frequency Linearity
• VCO-Inhibit Control for ON/OFF Keying and for Low Standby Power Consumption
• Minimal Frequency Drift
• Zero Voltage Offset Due to Op-Amp Buffer
• Operating Power-Supply Voltage Range - VCO Section . . . . . . . . . . . . . . . . . . . . . . . . . . 3V to 6V - Digital Section . . . . . . . . . . . . . . . . . . . . . . . .