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| Part Number | 74AHC240BQ,115 | 74AHC244BQ,115 | 74AHC245BQ,115 | 74AHC241BQ,115 | 
|---|---|---|---|---|
| Manufacturer | NXP USA Inc. | Nexperia USA Inc. | Nexperia USA Inc. | NXP USA Inc. | 
| Product Status | Obsolete | Active | Active | Obsolete | 
| Logic Type | Buffer, Inverting | Buffer, Non-Inverting | Transceiver, Non-Inverting | Buffer, Non-Inverting | 
| Number of Elements | 2 | 2 | 1 | 2 | 
| Number of Bits per Element | 4 | 4 | 8 | 4 | 
| Input Type | - | - | - | - | 
| Output Type | 3-State | 3-State | 3-State | 3-State | 
| Current - Output High, Low | 8mA, 8mA | 8mA, 8mA | 8mA, 8mA | 8mA, 8mA | 
| Voltage - Supply | 2V ~ 5.5V | 2V ~ 5.5V | 2V ~ 5.5V | 2V ~ 5.5V | 
| Operating Temperature | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | 20-VFQFN Exposed Pad | 20-VFQFN Exposed Pad | 20-VFQFN Exposed Pad | 20-VFQFN Exposed Pad | 
| Supplier Device Package | 20-DHVQFN (4.5x2.5) | 20-DHVQFN (4.5x2.5) | 20-DHVQFN (4.5x2.5) | 20-DHVQFN (4.5x2.5) |