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| Part Number | SN74AHC158DR | SN74AHCT158DR | SN74AHC138DR | SN74AHC157DR | SN74AHC158D | SN74AHC158DBR | 
|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | 
| Product Status | Active | Obsolete | Active | Active | Active | Active | 
| Type | Multiplexer | Multiplexer | Decoder/Demultiplexer | Multiplexer | Multiplexer | Multiplexer | 
| Circuit | 4 x 2:1 | 4 x 2:1 | 1 x 3:8 | 4 x 2:1 | 4 x 2:1 | 4 x 2:1 | 
| Independent Circuits | 1 | 1 | 1 | 1 | 1 | 1 | 
| Current - Output High, Low | 8mA, 8mA | 8mA, 8mA | 8mA, 8mA | 8mA, 8mA | 8mA, 8mA | 8mA, 8mA | 
| Voltage Supply Source | Single Supply | Single Supply | Single Supply | Single Supply | Single Supply | Single Supply | 
| Voltage - Supply | 2V ~ 5.5V | 4.5V ~ 5.5V | 2V ~ 5.5V | 2V ~ 5.5V | 2V ~ 5.5V | 2V ~ 5.5V | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 125°C | -40°C ~ 85°C | -40°C ~ 85°C | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | 16-SSOP (0.209", 5.30mm Width) | 
| Supplier Device Package | 16-SOIC | 16-SOIC | 16-SOIC | 16-SOIC | 16-SOIC | 16-SSOP |