M74HC191B1R
IC BINARY COUNTER 4-BIT 16DIPManufacturer: STMicroelectronics
Categories: Counters, Dividers
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STMicroelectronics 74HC series M74HC191B1R is a synchronous, 4-bit binary up/down counter. This high-speed CMOS device features a maximum count rate of 44 MHz and operates across a wide voltage supply range of 2 V to 6 V. The counter offers asynchronous reset functionality and is triggered by a positive edge. Its 16-DIP package, with a 0.300" (7.62mm) pitch, is suitable for through-hole mounting. Engineered for reliable performance across an extended operating temperature range of -55°C to 125°C, this counter finds application in various industrial control systems, data acquisition, and digital signal processing designs.
Additional Information
Series: 74HCRoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | 16-DIP (0.300"", 7.62mm) |
| Mounting Type | Through Hole |
| Number of Elements | 1 |
| Logic Type | Binary Counter |
| Reset | Asynchronous |
| Operating Temperature | -55°C ~ 125°C |
| Direction | Up, Down |
| Trigger Type | Positive Edge |
| Timing | Synchronous |
| Supplier Device Package | 16-DIP |
| Voltage - Supply | 2 V ~ 6 V |
| Count Rate | 44 MHz |
| Number of Bits per Element | 4 |
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