| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| 74HC20DB | Dual 4-input NAND gate | Philips-Semiconductors | SOT337 | - | - | - | 34 K |
| MC74AC20D | Dual 4-input NAND gate | Motorola | PDIP | 14 | -40°C | 85°C | 126 K |
| MC74AC20D | Dual 4 Input NAND Gate | ON-Semiconductor | SOIC | 14 | - | - | 126 K |
| MC74HC20D | Dual 4-input NAND gate | Motorola | SOIC | 14 | -55°C | 125°C | 137 K |
| S524C20D10 | 1K-bit serial EEPROM with software write protect. | Samsung-Electronic | DIP | 8 | -40°C | 85°C | 152 K |
| S524C20D10 | 1K-bit serial EEPROM with software write protect. | Samsung-Electronic | SOP | 8 | -40°C | 85°C | 152 K |
| S524C20D10 | 1K-bit serial EEPROM with software write protect. | Samsung-Electronic | TSSOP | 8 | -40°C | 85°C | 152 K |
| S524C20D20 | 2K-bit serial EEPROM with software write protect. | Samsung-Electronic | DIP | 8 | -40°C | 85°C | 152 K |
| SN74HC20D | DUAL 4-INPUT POSITIVE-NAND GATES | Texas-Instruments | D | 14 | -40°C | 85°C | 67 K |
| SN74HC20DR | DUAL 4-INPUT POSITIVE-NAND GATES | Texas-Instruments | D | 14 | -40°C | 85°C | 67 K |
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