Replacement Parts that do and don't Work

This is based on my experience; it may not always be correct.


Parts that Work

Original Part(s) Replacement(s) / Equivalent(s)
TTL Chips
8212 74153
9300 74195
9311 74154
9312 74151 (same function, needs pinout adapter)
9316 74161
9322 74157
PROMs / ROMs / RAMs
Intersil 5610 (I5610) 82S123
Intersil 5523 (I5523) 82S16
Operational Amplifiers
ua741 NTE941M
Transistors
2n3643 2n2222a, 2n3904, NTE123
2n3644 2n3906

Substitiutes that work, but are still Obsolete

Original Part(s) Replacement(s) / Equivalent(s)
Attenuators
MC6040 MFC3340 (same function, needs pinout adapter)

Parts that don't Always Work

Original Part(s) Replacement(s) / Equivalent(s)
Operational Amplifiers
LM311V, LM311N LM311P

Parts that Just don't Work

Original Part(s) Replacement(s) / Equivalent(s)
TTL Chips
SN74116 MC14508BCP or (MC4508)
I really should've looked closer at the datasheet...


This page was published 8/30/2020

This page was last edited 8/30/2020