| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| 74HC4520D | Dual 4-bit synchronous binary counter | Philips-Semiconductors | SOT109 | - | - | - | 55 K |
| 74HC4520DB | Dual 4-bit synchronous binary counter | Philips-Semiconductors | SOT338 | - | - | - | 55 K |
| 74HCT4520D | Dual 4-bit synchronous binary counter | Philips-Semiconductors | SOT109 | - | - | - | 55 K |
| 74HCT4520DB | Dual 4-bit synchronous binary counter | Philips-Semiconductors | SOT338 | - | - | - | 55 K |
| EM84520DP | 2-in-one scrolling mouse controller | ELAN-Microelectronics-Corp- | DIP | 16 | 0°C | 70°C | 120 K |
| SC84520DP | 0.3-7.5V two in one scrolling mouse controller | distributor | DIP | 16 | 0°C | 70°C | 185 K |
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