| Part Number | 74LVT640D,118 | 74LVT646D,118 | 
|---|---|---|
| Manufacturer | Nexperia USA Inc. | NXP USA Inc. | 
| Category | Logic - Buffers, Drivers, Receivers, Transceivers | Logic - Buffers, Drivers, Receivers, Transceivers | 
|   |   | |
| Product Status | Active | Obsolete | 
| Logic Type | Transceiver, 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 | 32mA, 64mA | 32mA, 64mA | 
| Voltage - Supply | 2.7V ~ 3.6V | 2.7V ~ 3.6V | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 20-SOIC (0.295", 7.50mm Width) | 24-SOIC (0.295", 7.50mm Width) | 
| Supplier Device Package | 20-SO | 24-SO |