| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| SN74LS669D | Synchronous 4-bit up/down counter | Motorola | SOIC | 16 | 0°C | 70°C | 213 K |
| SN74LS669D | SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTERS | Texas-Instruments | D | 16 | 0°C | 70°C | 481 K |
| SN74LS669D | SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTERS | Texas-Instruments | D | 16 | 0°C | 70°C | 481 K |
| SN74LS669J | SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTERS | Texas-Instruments | J | 16 | 0°C | 70°C | 481 K |
| SN74LS669N | SYNCHRONOUS 4-BIT UP/DOWN COUNTER | ON-Semiconductor | PDIP | 16 | - | - | 74 K |
| SN74LS669N | SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTERS | Texas-Instruments | N | 16 | 0°C | 70°C | 481 K |
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