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| Part Number | MM74HC14SJ | MM74HCT14SJ | MM74HC14SJX | MM74HC04SJ | MM74HC14J | 
|---|---|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor | Fairchild Semiconductor | Fairchild Semiconductor | National Semiconductor | 
| Product Status | Obsolete | Obsolete | Active | Obsolete | Active | 
| Logic Type | Inverter | Inverter | Inverter | Inverter | Inverter | 
| Number of Circuits | 6 | 6 | 6 | 6 | 6 | 
| Number of Inputs | 1 | 1 | 1 | 1 | 1 | 
| Features | Schmitt Trigger | Schmitt Trigger | Schmitt Trigger | - | Schmitt Trigger | 
| Voltage - Supply | 2V ~ 6V | 4.5V ~ 5.5V | 2V ~ 6V | 2V ~ 6V | 2V ~ 6V | 
| Current - Quiescent (Max) | 2 µA | 1 µA | 2 µA | 2 µA | 2 µA | 
| Current - Output High, Low | 5.2mA, 5.2mA | 4.8mA, 4.8mA | 5.2mA, 5.2mA | 5.2mA, 5.2mA | 5.2mA, 5.2mA | 
| Logic Level - Low | 0.3V ~ 1.2V | 0.5V ~ 0.6V | 1V ~ 3V | 0.5V ~ 1.8V | 0.3V ~ 1.2V | 
| Logic Level - High | 1.5V ~ 4.2V | 1.9V ~ 2.1V | 1.5V ~ 4.2V | 1.5V ~ 4.2V | 1.5V ~ 4.2V | 
| Max Propagation Delay @ V, Max CL | 21ns @ 6V, 50pF | 20ns @ 5V, 50pF | 21ns @ 6V, 50pF | 16ns @ 6V, 50pF | 21ns @ 6V, 50pF | 
| Operating Temperature | -55°C ~ 125°C | -40°C ~ 85°C | -55°C ~ 125°C | -40°C ~ 85°C | -55°C ~ 125°C | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Through Hole | 
| Supplier Device Package | 14-SOP | 14-SOP | 14-SOP | 14-SOP | 14-DIP | 
| Package / Case | 14-SOIC (0.209", 5.30mm Width) | 14-SOIC (0.209", 5.30mm Width) | 14-SOIC (0.209", 5.30mm Width) | 14-SOIC (0.209", 5.30mm Width) | 14-DIP (0.300", 7.62mm) |