| Part Number | 74FR16541QC | 74FR16540QC | 
|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor | 
| Category | Logic - Buffers, Drivers, Receivers, Transceivers | Logic - Buffers, Drivers, Receivers, Transceivers | 
|   |   | |
| Product Status | Active | Active | 
| Logic Type | Buffer, Non-Inverting | Buffer, Inverting | 
| Number of Elements | 2 | 2 | 
| Number of Bits per Element | 8 | 8 | 
| Input Type | - | - | 
| Output Type | 3-State | 3-State | 
| Current - Output High, Low | 15mA, 64mA | 15mA, 64mA | 
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 44-LCC (J-Lead) | 44-LCC (J-Lead) | 
| Supplier Device Package | 44-PLCC (16.51x16.51) | 44-PLCC (16.51x16.51) |