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| Part Number | M74HC138B1R | M74HCT138B1R | M74HC139B1R | M74HC148B1R | M74HC238B1R |
|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Type | Decoder/Demultiplexer | Decoder/Demultiplexer | Decoder/Demultiplexer | Priority Encoder | Decoder/Demultiplexer |
| Circuit | 1 x 3:8 | 1 x 3:8 | 1 x 2:4 | 1 x 8:3 | 1 x 3:8 |
| Independent Circuits | 1 | 1 | 2 | 1 | 1 |
| Current - Output High, Low | 5.2mA, 5.2mA | 4mA, 4mA | 5.2mA, 5.2mA | 5.2mA, 5.2mA | 5.2mA, 5.2mA |
| Voltage Supply Source | Single Supply | Single Supply | Single Supply | Single Supply | Single Supply |
| Voltage - Supply | 2V ~ 6V | 4.5V ~ 5.5V | 2V ~ 6V | 2V ~ 6V | 2V ~ 6V |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Package / Case | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) |
| Supplier Device Package | 16-DIP | 16-DIP | 16-DIP | 16-DIP | 16-DIP |
