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| Part Number | 74HC7540N,112 | 74HC7541N,112 | 74HC7540D,112 | 
|---|---|---|---|
| Manufacturer | NXP USA Inc. | NXP USA Inc. | Nexperia USA Inc. | 
| Product Status | Obsolete | Obsolete | Obsolete | 
| Logic Type | Buffer, Inverting | Buffer, Non-Inverting | Buffer, Inverting | 
| Number of Elements | 1 | 1 | 1 | 
| Number of Bits per Element | 8 | 8 | 8 | 
| Input Type | - | Schmitt Trigger | - | 
| Output Type | 3-State | 3-State | 3-State | 
| Current - Output High, Low | 7.8mA, 7.8mA | 7.8mA, 7.8mA | 7.8mA, 7.8mA | 
| Voltage - Supply | 2V ~ 6V | 2V ~ 6V | 2V ~ 6V | 
| Operating Temperature | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) | 
| Mounting Type | Through Hole | Through Hole | Surface Mount | 
| Package / Case | 20-DIP (0.300", 7.62mm) | 20-DIP (0.300", 7.62mm) | 20-SOIC (0.295", 7.50mm Width) | 
| Supplier Device Package | 20-DIP | 20-DIP | 20-SO |