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| Part Number | SN74LS378NSRG4 | SN74LS374NSRG4 | SN74LS378NSRE4 | 
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | 
| Product Status | Obsolete | Discontinued at Digi-Key | Obsolete | 
| Function | Standard | Standard | Standard | 
| Type | D-Type | D-Type | D-Type | 
| Output Type | Non-Inverted | Tri-State, Non-Inverted | Non-Inverted | 
| Number of Elements | 1 | 1 | 1 | 
| Number of Bits per Element | 6 | 8 | 6 | 
| Clock Frequency | 40 MHz | 50 MHz | 40 MHz | 
| Max Propagation Delay @ V, Max CL | 27ns @ 5V, 15pF | 28ns @ 5V, 45pF | 27ns @ 5V, 15pF | 
| Trigger Type | Positive Edge | Positive Edge | Positive Edge | 
| Current - Output High, Low | 400µA, 8mA | 2.6mA, 24mA | 400µA, 8mA | 
| Voltage - Supply | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 
| Current - Quiescent (Iq) | 22 mA | 40 mA | 22 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-SO | 20-SO | 16-SO | 
| Package / Case | 16-SOIC (0.209", 5.30mm Width) | 20-SOIC (0.209", 5.30mm Width) | 16-SOIC (0.209", 5.30mm Width) |