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| Part Number | MM74HCT273N | MM74HC273N | MM74HCT273J |
|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor | National Semiconductor |
| Product Status | Obsolete | Obsolete | Active |
| Function | Master Reset | Master Reset | Master Reset |
| Type | D-Type | D-Type | D-Type |
| Output Type | Non-Inverted | Non-Inverted | Non-Inverted |
| Number of Elements | 1 | 1 | 1 |
| Number of Bits per Element | 8 | 8 | 8 |
| Clock Frequency | 68 MHz | 78 MHz | 68 MHz |
| Max Propagation Delay @ V, Max CL | 37ns @ 5V, 50pF | 23ns @ 6V, 50pF | 37ns @ 5V, 50pF |
| Trigger Type | Positive Edge | Positive Edge | Positive Edge |
| Current - Output High, Low | 4.8mA, 4.8mA | 5.2mA, 5.2mA | 4.8mA, 4.8mA |
| Voltage - Supply | 4.5V ~ 5.5V | 2V ~ 6V | 4.5V ~ 5.5V |
| Current - Quiescent (Iq) | 8 µA | 8 µA | 8 µA |
| Input Capacitance | 6 pF | 7 pF | 6 pF |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Through Hole | Through Hole | - |
| Supplier Device Package | 20-PDIP | 20-PDIP | - |
| Package / Case | 20-DIP (0.300", 7.62mm) | 20-DIP (0.300", 7.62mm) | - |
