This 4-bit synchronous counter from Texas Instruments operates at frequencies up to 30MHz and is supplied with a voltage between 4.5V and 5.5V. The device is packaged in a surface-mount SOIC package and is compliant with RoHS regulations. It has a maximum operating temperature of 70°C and a minimum operating temperature of 0°C. The counter is synchronous and has a propagation delay of 37ns.
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Texas Instruments SN74ALS191ADR technical specifications.
| Package/Case | SOIC |
| Clock Edge Trigger Type | Positive Edge |
| Direction | Bidirectional |
| Frequency | 30MHz |
| Lead Free | Lead Free |
| Logic Function | Counter |
| 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 | 4 |
| Number of Bits per Element | 4 |
| Number of Elements | 1 |
| Operating Supply Voltage | 5V |
| Package Quantity | 1 |
| Packaging | Tape and Reel |
| Propagation Delay | 37ns |
| RoHS Compliant | Yes |
| Series | 74ALS |
| Sync/Async | Synchronous |
| Technology | BIPOLAR |
| Weight | 0.004998oz |
| RoHS | Compliant |
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