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| Part Number | SN74LS243NG4 | SN74LS240NG4 |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Product Status | Discontinued at Digi-Key | Discontinued at Digi-Key |
| Logic Type | Transceiver, Non-Inverting | Buffer, Inverting |
| Number of Elements | 1 | 2 |
| Number of Bits per Element | 4 | 4 |
| Input Type | - | - |
| Output Type | Push-Pull | 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 | 14-DIP (0.300", 7.62mm) | 20-DIP (0.300", 7.62mm) |
| Supplier Device Package | 14-PDIP | 20-PDIP |
