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| Part Number | SN74ALS243AN | SN74ALS243ANS | SN74ALS245AN | SN74ALS240AN | SN74ALS243AD |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Obsolete | Active | Active | Active | Obsolete |
| Logic Type | Transceiver, Non-Inverting | - | Transceiver, Non-Inverting | Buffer, Inverting | Transceiver, Non-Inverting |
| Number of Elements | 1 | - | 1 | 2 | 1 |
| Number of Bits per Element | 4 | - | 8 | 4 | 4 |
| Input Type | - | - | - | - | - |
| Output Type | - | - | 3-State | 3-State | - |
| Current - Output High, Low | 15mA, 24mA | - | 15mA, 24mA | 15mA, 24mA | 15mA, 24mA |
| Voltage - Supply | 4.5V ~ 5.5V | - | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Operating Temperature | 0°C ~ 70°C (TA) | - | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Mounting Type | Through Hole | - | Through Hole | Through Hole | Surface Mount |
| Package / Case | 14-DIP (0.300", 7.62mm) | - | 20-DIP (0.300", 7.62mm) | 20-DIP (0.300", 7.62mm) | 14-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 14-PDIP | - | 20-PDIP | 20-PDIP | 14-SOIC |
