| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| HEF4086BP | 4-wide 2-input AND-OR-invert gate | Philips-Semiconductors | DIL | 14 | - | - | 41 K |
| HEF4522BD | Programmable 4-bit BCD down counter | Philips-Semiconductors | DIL | 16 | - | - | 107 K |
| HEF4522BP | Programmable 4-bit BCD down counter | Philips-Semiconductors | DIL | 16 | - | - | 107 K |
| HEF4522BT | Programmable 4-bit BCD down counter | Philips-Semiconductors | SO | 16 | - | - | 107 K |
| HEF4534BP | Real time 5-decade counter | Philips-Semiconductors | DIL | 24 | - | - | 128 K |
| HEF4534BT | Real time 5-decade counter | Philips-Semiconductors | SO | 24 | - | - | 128 K |
| HEF4737BP | 3-15 V, Quadruple static decade counter | Philips-Semiconductors | DIL | 18 | - | - | 63 K |
| HEF4737BT | 3-15 V, Quadruple static decade counter | Philips-Semiconductors | SO | 18 | - | - | 63 K |
| HEF4737VD | 4.5-12.5 V, Quadruple static decade counter | Philips-Semiconductors | DIL | 18 | - | - | 63 K |
| HEF4737VD | 4.5-12.5 V, Quadruple static decade counter | Philips-Semiconductors | DIL | 18 | - | - | 63 K |
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