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| Part Number | SN74LS646NT | SN74LS646NT3 | SN74LS649NT | SN74LS647NT | SN74LS648NT | SN74LS646NS |
|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Advanced Micro Devices |
| Product Status | Obsolete | Active | Active | Active | Obsolete | Active |
| Logic Type | Transceiver, Non-Inverting | - | - | - | Transceiver, Inverting | - |
| Number of Elements | 1 | - | - | - | 1 | - |
| Number of Bits per Element | 8 | - | - | - | 8 | - |
| Input Type | - | - | - | - | - | - |
| Output Type | 3-State | - | - | - | 3-State | - |
| Current - Output High, Low | 15mA, 24mA | - | - | - | 15mA, 24mA | - |
| Voltage - Supply | 4.75V ~ 5.25V | - | - | - | 4.75V ~ 5.25V | - |
| Operating Temperature | 0°C ~ 70°C (TA) | - | - | - | 0°C ~ 70°C (TA) | - |
| Mounting Type | Through Hole | - | - | - | Through Hole | - |
| Package / Case | 24-DIP (0.300", 7.62mm) | - | - | - | 24-DIP (0.300", 7.62mm) | - |
| Supplier Device Package | 24-PDIP | - | - | - | 24-PDIP | - |
