Oldies but goodies, these 74HCT series legacy chips which may come in handy for someone who is dealing with "older" equipment.
The 74HCT series is a CMOS logic family of integrated circuits featuring high speed with logic levels which are compatible with bipolar components.
MIXED MANUFACTURERS - 74HCT Series Logic Chips
1: NATIONAL SEMICONDUCTOR
Type: 74HCT04
Part #: MM74HCT04N, MC74HCT04N
Function: Hex independent inverters
14 pin DIL plastic
2: PHILIPS
Type: 74HCT11
Part #: PC74HCT11P
Function: Triple 3-input AND gates
14 pin DIL plastic
3: PHILIPS
Type: 74HCT86
Part #: PC74HCT86P
Function: Quad 2-input EXCLUSIVE-OR
14 pin DIL plastic
4: PHILIPS
Type: 74HCT93
Part #: PC74HCT93P
Function: 4 bit binary ripple counter
14 pin DIL plastic
5: PHILIPS
Type: 74HCT132
Part #: PC74HCT132P
Function: Quad 2 input NAND Gates with Schmitt trigger inputs (including clamp diodes)
14 pin DIL plastic
6: PHILIPS
Type: 74HCT139
Part #: PC74HCT139P
Function: Dual 2-to-4 line decoder & demultiplexer
16 pin DIL plastic
7: PHILIPS
Type: 74HCT151
Part #: PC74HCT151P
Function: 8-input digital multiplexer
16 pin DIL plastic
8: RCA
Type: 74HCT153
Part #: CD74HCT153E
Function: Dual 4 input multiplexer with independent Enable inputs, common Data Select inputs
16 pin DIL plastic
9: PHILIPS
Type: 74HCT157
Part #: PC74HCT157P
Function: Quad 2-Input Multiplexer/Data Selector
16 pin DIL plastic
10: RCA
Type: 74HCT166
Part #: CD74HCT166E
Function: 8-bit parallel-in/serial-out shift register
16 pin DIL plastic
11: MOTOROLA
Type: 74HCT174
Part #: MC74HCT174AN
Function: Hex postive edge triggered D type Flip Flops (individual data inputs & outputs)
16 pin DIL plastic
These have all been taken out of my workshop spare parts drawers, we have said our farewells and once these are gone there are no more to follow ...
ALL chips have always been in their ESD tubes (offcuts)
ALL chips have clean, shiny leads (not oxidised!)