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| Part Number | SN74HC574DWRE4 | SN74HC574DWRG4 | SN74HC574PWRE4 | SN74HCT574DWRE4 |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Obsolete | Obsolete | Discontinued at Digi-Key | Active |
| Function | Standard | Standard | Standard | Standard |
| Type | D-Type | D-Type | D-Type | D-Type |
| Output Type | Tri-State, Non-Inverted | Tri-State, Non-Inverted | Tri-State, Non-Inverted | Tri-State, Non-Inverted |
| Number of Elements | 1 | 1 | 1 | 1 |
| Number of Bits per Element | 8 | 8 | 8 | 8 |
| Clock Frequency | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| Max Propagation Delay @ V, Max CL | 31ns @ 6V, 50pF | 31ns @ 6V, 50pF | 31ns @ 6V, 50pF | 47ns @ 5.5V, 150pF |
| Trigger Type | Positive Edge | Positive Edge | Positive Edge | Positive Edge |
| Current - Output High, Low | 7.8mA, 7.8mA | 7.8mA, 7.8mA | 7.8mA, 7.8mA | 6mA, 6mA |
| Voltage - Supply | 2V ~ 6V | 2V ~ 6V | 2V ~ 6V | 4.5V ~ 5.5V |
| Current - Quiescent (Iq) | 8 µA | 8 µA | 8 µA | 8 µA |
| Input Capacitance | 3 pF | 3 pF | 3 pF | 3 pF |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Supplier Device Package | 20-SOIC | 20-SOIC | 20-TSSOP | 20-SOIC |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) | 20-SOIC (0.295", 7.50mm Width) | 20-TSSOP (0.173", 4.40mm Width) | 20-SOIC (0.295", 7.50mm Width) |
