| nr | name | cat | description | manufacturer | 
| 545 | 5B45 |  | Isolated Frequency-to-Voltage Converters 250 kHz Max, data | AD | 
| 545 | TLC545 | adc,spi | ADC, higher speed TLC546 | TI | 
| 54502 |  | adc? | 8-Bit Successive Approximation Register with Expansion | NS | 
| 54503 |  | adc? | 8-Bit Successive Approximation Register | NS | 
| 5451 |  | logic | dual 2-Wide AND-OR-invert Gate | NS | 
| 54512 |  | prom | 64k*8 CMOS* OTPROM* | Toshiba | 
| 5452 |  | driver | 32 Seg LCD Display Driver | NS | 
| 54521 |  | cmp | 8-Bit Identity Comparator | NS | 
| 54533 |  | latch | Octal* Transparent Latch | NS | 
| 54534 |  | ff | Octal* D Flip-Flop | NS | 
| 5454 |  | logic | 4-Wide, 2-Input AND-OR-Invert Gate | NS | 
| 54540 |  | driver | Octal* Buffer/Line Driver | NS | 
| 54541 |  | driver | Octal* Buffer/Line Driver | NS | 
| 54544 |  | driver | Octal* Registered Transceiver | NS | 
| 54545 |  | driver | Octal* Bidirectional Transceiver | NS | 
| 54547 |  | mux | Octal* Decoder/Demultiplexer | NS | 
| 54548 |  | mux | Octal* Decoder/Multiplexer | NS | 
| 5455 |  | logic | 2-Wide, 4-Input AND-OR-Invert Gate | NS | 
| 54563 |  | latch | Octal* D-Type Latch | NS | 
| 54564 |  | ff | Octal* D Flip-Flop/latch | NS | 
| 54573 |  | ff | Octal* D-Type Latch | NS | 
| 54574 |  | ff | Octal* D Flip-Flop | NS | 
| 54583 |  | logic | 4-Bit BCD Adder | NS |