Octal D-type transparent read-back latches feature 8 independent D-type transparent latches, each with 8 input and 8 output lines. This through-hole mounted component operates from a 4.5V to 5.5V supply voltage with a typical 5V operating voltage. The 3-state output type supports a low level output current of 24mA. Packaged in a 20-pin PDIP, this RoHS compliant, lead-free integrated circuit offers a propagation delay of 26ns and a turn-on delay time of 6ns.
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Texas Instruments SN74ALS990NE4 technical specifications.
| Package/Case | PDIP |
| Height | 4.57mm |
| High Level Output Current | -2.6mA |
| Independent Circuits | 1 |
| Lead Free | Lead Free |
| Length | 26.92mm |
| Logic Function | D-Type, Latch |
| Low Level Output Current | 24mA |
| Max Operating Temperature | 70°C |
| Min Operating Temperature | 0°C |
| Max Supply Voltage | 5.5V |
| Min Supply Voltage | 4.5V |
| Mount | Through Hole |
| 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 | 20 |
| Packaging | Rail/Tube |
| Polarity | Non-Inverting |
| Propagation Delay | 26ns |
| Radiation Hardening | No |
| RoHS Compliant | Yes |
| Series | 74ALS |
| Supply Current | 70mA |
| Technology | BIPOLAR |
| Turn-On Delay Time | 6ns |
| Weight | 0.042297oz |
| Width | 6.6mm |
| RoHS | Compliant |
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