| Part Number | SN74LS273M | SN74LS273N | 
|---|---|---|
| Manufacturer | Motorola | Texas Instruments | 
| Category | Logic - Flip Flops | Logic - Flip Flops | 
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| Product Status | Active | Active | 
| Function | Master Reset | Master Reset | 
| Type | D-Type | D-Type | 
| Output Type | Non-Inverted | Non-Inverted | 
| Number of Elements | 1 | 1 | 
| Number of Bits per Element | 8 | 8 | 
| Clock Frequency | 40 MHz | 40 MHz | 
| Max Propagation Delay @ V, Max CL | - | 27ns @ 5V, 15pF | 
| Trigger Type | Positive Edge | Positive Edge | 
| Current - Output High, Low | 8mA, 400µA | 400µA, 8mA | 
| Voltage - Supply | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 
| Current - Quiescent (Iq) | 27 mA | 27 mA | 
| Input Capacitance | - | - | 
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 
| Mounting Type | Surface Mount | Through Hole | 
| Supplier Device Package | 20-SOIC | 20-PDIP | 
| Package / Case | 20-SOIC (0.209", 5.30mm Width) | 20-DIP (0.300", 7.62mm) |