Looking for info on Motorola 4015 chip

Jerry Weiss jsw at ieee.org
Sat May 12 13:37:51 CDT 2018

> On May 12, 2018, at 1:03 PM, Noel Chiappa via cctalk <cctalk at classiccmp.org> wrote:
> Hey, all, the RK11-D contoller for the PDP-11 uses Motorola 4015 MSI chips on
> one of the boards (M7254), but I can't find out anything about them. Google
> didn't turn anything up, and the appendix in the RK11-D Maintenance Manual
> that has info about 'all' the MSI chips used in the RK11-D doesn't have this
> one. It appears to be a quad flop - anyone have more info? Thanks!
> 	Noel

MC4015 - TTL quad type d latch(flip flop) 

See Section 11 in http://bitsavers.trailing-edge.com/components/motorola/_dataBooks/1971_Motorola_TTL_Integrated_Circuits_Data_Book.pdf


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