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| Image | ![]() |
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| Part Number | LM556CMX | LM556CMX/NOPB | LM556CM/NOPB | LM556CM |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Series | - | - | - | - |
| Package/Case | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) | Tube | Tube |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete |
| Type | 555 Type, Timer/Oscillator (Dual) | 555 Type, Timer/Oscillator (Dual) | 555 Type, Timer/Oscillator (Dual) | 555 Type, Timer/Oscillator (Dual) |
| Count | - | - | - | - |
| Frequency | - | - | - | - |
| Voltage - Supply | 4.5V ~ 16V | 4.5V ~ 16V | 4.5V ~ 16V | 4.5V ~ 16V |
| Current - Supply | 10 mA | 10 mA | 10 mA | 10 mA |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C |
| Supplier Device Package | 14-SOIC | 14-SOIC | 14-SOIC | 14-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Grade | - | - | - | - |
| Qualification | - | - | - | - |
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