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| Part Number | SN74LS374NSR | SN74LS377NSR | SN74LS378NSR | SN74LS174NSR |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Obsolete | Active |
| Function | Standard | Standard | Standard | Master Reset |
| Type | D-Type | D-Type | D-Type | D-Type |
| Output Type | Tri-State, Non-Inverted | Non-Inverted | Non-Inverted | Non-Inverted |
| Number of Elements | 1 | 1 | 1 | 1 |
| Number of Bits per Element | 8 | 8 | 6 | 6 |
| Clock Frequency | 50 MHz | 40 MHz | 40 MHz | 40 MHz |
| Max Propagation Delay @ V, Max CL | 28ns @ 5V, 45pF | 27ns @ 5V, 15pF | 27ns @ 5V, 15pF | 30ns @ 5V, 15pF |
| Trigger Type | Positive Edge | Positive Edge | Positive Edge | Positive Edge |
| Current - Output High, Low | 2.6mA, 24mA | 400µA, 8mA | 400µA, 8mA | 400µA, 8mA |
| Voltage - Supply | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 4.75V ~ 5.25V |
| Current - Quiescent (Iq) | 40 mA | 28 mA | 22 mA | 26 mA |
| Input Capacitance | - | - | - | - |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Supplier Device Package | 20-SO | 20-SO | 16-SO | 16-SO |
| Package / Case | 20-SOIC (0.209", 5.30mm Width) | 20-SOIC (0.209", 5.30mm Width) | 16-SOIC (0.209", 5.30mm Width) | 16-SOIC (0.209", 5.30mm Width) |
