Octal D-Type Transparent Read-Back Latches featuring 8 independent D-type latch circuits. This surface mount component operates with a 5V supply voltage, ranging from 4.5V to 5.5V, and offers 3-STATE outputs with a low level output current of 32mA and high level output current of -2.6mA. With a propagation delay of 24ns and turn-on delay time of 6ns, it is designed for 0 to 70°C operation. The 20-SOIC package is RoHS compliant and utilizes BIPOLAR technology.
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Texas Instruments SN74ALS990DWE4 technical specifications.
| Package/Case | SOIC |
| High Level Output Current | -2.6mA |
| Independent Circuits | 1 |
| Lead Free | Contains Lead |
| Logic Function | D-Type, Latch |
| Low Level Output Current | 32mA |
| Max Operating Temperature | 70°C |
| Min Operating Temperature | 0°C |
| Max Supply Voltage | 5.5V |
| Min Supply Voltage | 4.5V |
| Mount | Surface Mount |
| Number of Bits | 8 |
| Number of Circuits | 8 |
| Number of Elements | 1 |
| Number of Input Lines | 8 |
| Number of Output Lines | 8 |
| Operating Supply Voltage | 5V |
| Output Current | 24mA |
| Output Type | 3-STATE |
| Package Quantity | 25 |
| Packaging | Rail/Tube |
| Polarity | Non-Inverting |
| Propagation Delay | 24ns |
| Radiation Hardening | No |
| RoHS Compliant | Yes |
| Series | 74ALS |
| Supply Current | 70mA |
| Technology | BIPOLAR |
| Turn-On Delay Time | 6ns |
| Weight | 0.017662oz |
| RoHS | Compliant |
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