| Allicdata Part #: | 296-4263-5-ND |
| Manufacturer Part#: |
CD74ACT161M |
| Price: | $ 0.57 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Texas Instruments |
| Short Description: | IC 4-BIT SYNC BIN CNTR 16-SOIC |
| More Detail: | Counter IC Binary Counter 1 Element 4 Bit Positive... |
| DataSheet: |  CD74ACT161M Datasheet/PDF |
| Quantity: | 2738 |
| 1 +: | $ 0.51660 |
| 10 +: | $ 0.45297 |
| 100 +: | $ 0.34745 |
| 500 +: | $ 0.27468 |
| 1000 +: | $ 0.21974 |
Specifications
| Timing: | Synchronous |
| Base Part Number: | 74ACT161 |
| Supplier Device Package: | 16-SOIC |
| Package / Case: | 16-SOIC (0.154", 3.90mm Width) |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -55°C ~ 125°C |
| Voltage - Supply: | 4.5V ~ 5.5V |
| Trigger Type: | Positive Edge |
| Count Rate: | 80MHz |
| Series: | 74ACT |
| Reset: | Asynchronous |
| Number of Bits per Element: | 4 |
| Number of Elements: | 1 |
| Direction: | Up |
| Logic Type: | Binary Counter |
| Part Status: | Active |
| Packaging: | Tube |
Description
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The CD74ACT161M is a 16-bit synchronous presettable counter that is used in various logic-related applications. It is part of the 74ACT family of logic devices, which is Ideal for use in high-speed and low-voltage applications. It is available in three different packages, the 8-pin small-outline integrated circuit (SOIC), the 14-pin thin shrink small-outline package (TSSOP) and the 16-pin small outline package (SOP). Each package is lead-free and meets the requirements of the RoHS directive.The CD74ACT161M is a good choice for applications that require a fast, reliable and high-speed presettable counter. Its design is characterized by low skew, low-voltage logic, wide operating voltage range and low input current. The timing accuracy is higher than typical counters from the same family, which makes the CD74ACT161M suitable for applications in which precise timing is needed. In addition, this device has additional features such as a power down function and a reset input pin.The CD74ACT161M is composed of two different components, the counter chip and the decode counter. The counter chip is what actually counts the data. This is accomplished by having a single input and a series of outputs connected to a flip-flop. The counter chip has 16 output lines connected to the decode counter. The decode counter then decodes the data from the counter and sends it to the output pins so that the data can be used as input for other devices.The CD74ACT161M also has an asynchronous preset enable pin. When this pin is set to "high," the counter is preset to the “0” state, regardless of the state of the system clock. This is a handy feature for applications that need to load data into the counter quickly or for applications that need to be initialized when power is applied.The working principle of the CD74ACT161M is fairly straight-forward. When power is first applied, the counter starts at a reset state of 00. When the system clock is high, the counter cycles through the data, incrementing the count with each clock cycle. When the counter reaches its maximum count of FFFF, it reverts back to 0000 and begins the cycle again. As the data is changed, the outputs of the decode counter change according to the internal state of the counter, sending the appropriate data to the output pins.In conclusion, the CD74ACT161M is an ideal choice for applications that require a fast, reliable and high-speed presettable counter. It is easy to use, inexpensive, and has additional features such as a power down function and reset input pin. With its low power consumption and its wide range of operating voltages, the CD74ACT161M is a great choice for any logic-related application.
The specific data is subject to PDF, and the above content is for reference
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