Part Number : FZH111A
Function : Quad 2-input NAND Gate
Package : DIP 16P
Manufacturers : Siemens AG
Image :
Description :
The chips used DTL (Diode-Transistor Logic) which was a predessesor of of the TTL (Transistor-Transistor-Logic) manufactured in the late 60s. If neccesary I could provide basic data and pinout from an old Valvo databook but it might take some days to find it.
Pinout
Reference page :
1. https://www.eng-tips.com/viewthread.cfm?qid=59163
2. http://www.radiomuseum.org/tubes/tube_fzh111.html
FZH111A Datasheet
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