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| Part Number | SN74ALS666DWRE4 | SN74ALS667DWRE4 | SN74ALS666DWRG4 | SN74ALS666DWE4 |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Obsolete | Obsolete | Obsolete | Discontinued at Digi-Key |
| Logic Type | D-Type Transparent Latch | D-Type Transparent Latch | D-Type Transparent Latch | D-Type Transparent Latch |
| Circuit | 8:8 | 8:8 | 8:8 | 8:8 |
| Output Type | Tri-State | Tri-State | Tri-State | Tri-State |
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Independent Circuits | 1 | 1 | 1 | 1 |
| Delay Time - Propagation | 6ns | 9ns | 6ns | 6ns |
| Current - Output High, Low | 400µA, 8mA | 400µA, 8mA | 400µA, 8mA | 400µA, 8mA |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 24-SOIC (0.295", 7.50mm Width) | 24-SOIC (0.295", 7.50mm Width) | 24-SOIC (0.295", 7.50mm Width) | 24-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 24-SOIC | 24-SOIC | 24-SOIC | 24-SOIC |
