| Part Number | 74F646SPC | 74F646BSPC | 
|---|---|---|
| Manufacturer | Fairchild Semiconductor | onsemi | 
| Category | Logic - Buffers, Drivers, Receivers, Transceivers | Logic - Buffers, Drivers, Receivers, Transceivers | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Logic Type | Transceiver, Non-Inverting | Transceiver, Non-Inverting | 
| Number of Elements | 1 | 1 | 
| 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 | Through Hole | Through Hole | 
| Package / Case | 24-DIP (0.300", 7.62mm) | 24-DIP (0.300", 7.62mm) | 
| Supplier Device Package | 24-PDIP | 24-PDIP |