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| Part Number | SN74ALS638A-1DW | 
| Description | IC TRANSCVR INVERT 5.5V 20SOIC | 
| Manufacturer | Texas Instruments | 
| Series | 74ALS | 
| Part Status | Obsolete | 
| Logic Type | Transceiver, Inverting | 
| Number of Elements | 1 | 
| Number of Bits per Element | 8 | 
| Input Type | - | 
| Output Type | Open Collector, Push-Pull | 
| Current - Output High, Low | -, 24mA; 15mA, 24mA | 
| Voltage - Supply | 4.5V ~ 5.5V | 
| Operating Temperature | 0°C ~ 70°C (TA) | 
| Mounting Type | Surface Mount | 
| Package / Case | 20-SOIC (0.295", 7.50mm Width) | 
| Supplier Device Package | 20-SOIC |