24-12-2022, 12:03 AM
The 4046 PLL ICs I have here are RCA CD4046. Date code 849, that could be 1989? Radiomuseum states first use in 1979, surely before that. It's definitely a 70s device.
https://www.radiomuseum.org/tubes/tube_cd4046.html
Geordie McBoyne.
https://www.radiomuseum.org/tubes/tube_cd4046.html
Geordie McBoyne.







