| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| HEF4541BDB | Programmable timer | Philips-Semiconductors | SOT73 | - | - | - | 144 K |
| HEF4541BP | Programmable timer | Philips-Semiconductors | SOT27 | - | - | - | 144 K |
| HEF4541BPB | Programmable timer | Philips-Semiconductors | SOT27 | - | - | - | 144 K |
| HEF4541BT | Programmable timer | Philips-Semiconductors | SOT108 | - | - | - | 144 K |
| HEF4541BT | Programmable timer | Philips-Semiconductors | SOT108 | - | - | - | 144 K |
| HEF4541BU | Programmable timer | Philips-Semiconductors | - | - | - | - | 144 K |
| HEF4543BD | BCD to 7-segment latch/decoder/driver | Philips-Semiconductors | SOT74 | - | - | - | 85 K |
| HEF4543BDB | BCD to 7-segment latch/decoder/driver | Philips-Semiconductors | SOT74 | - | - | - | 85 K |
| HEF4543BP | BCD to 7-segment latch/decoder/driver | Philips-Semiconductors | SOT38 | - | - | - | 85 K |
| HEF4543BPB | BCD to 7-segment latch/decoder/driver | Philips-Semiconductors | SOT38 | - | - | - | 85 K |
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