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| Part Number | SN74LS173ADRG4 | SN74LS73ADRG4 | SN74LS173ADRE4 | 
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | 
| Product Status | Obsolete | Discontinued at Digi-Key | Obsolete | 
| Function | Master Reset | Master Reset | Master Reset | 
| Type | D-Type | JK Type | D-Type | 
| Output Type | Tri-State, Non-Inverted | Complementary | Tri-State, Non-Inverted | 
| Number of Elements | 1 | 2 | 1 | 
| Number of Bits per Element | 4 | 1 | 4 | 
| Clock Frequency | 50 MHz | 45 MHz | 50 MHz | 
| Max Propagation Delay @ V, Max CL | 25ns @ 5V, 45pF | 20ns @ 5V, 15pF | 25ns @ 5V, 45pF | 
| Trigger Type | Positive Edge | Negative Edge | Positive Edge | 
| Current - Output High, Low | 2.6mA, 24mA | 400µA, 8mA | 2.6mA, 24mA | 
| Voltage - Supply | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 
| Current - Quiescent (Iq) | 24 mA | 6 mA | 24 mA | 
| Input Capacitance | - | - | - | 
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | 
| Supplier Device Package | 16-SOIC | 14-SOIC | 16-SOIC | 
| Package / Case | 16-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) |