SN74ALS229BDW

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SN74ALS229BDW is a FIFO memory belonging to the Logic family. It is designed to cost-effectively support multi-ported memories through flexible timing solutions. This device features a 16-word port, allowing up to four separate network ports to be served with one device. It offers a wide range of access times and can be configured to enable up to four write cycles from a single clock.

In addition to its ability to save costs for multi-ported memories, SN74ALS229BDW also provides an excellent level of performance. It offers fast store-and-forward delay lines for maximum throughput for critical situations. Additionally, it is fully device-packaged which makes implementation as simple as possible.

The typical application field for SN74ALS229BDW includes switching networks, packet switching, multi-bus networks, and communication systems. It can be an excellent choice for system buses, wireless communication systems, networks, and distributed computer systems that need reliable throughput at a low cost.

The working principle of SN74ALS229BDW is that it reverses and stores the data in its addressed memory cells. This data is stored in FIFO fashion, meaning that the first data written in will be the first data out. The device also supports DMA transfers, which allow data to be transferred from one memory area to another without the need of external cycles.

Instead of having independent write cycles for each port, SN74ALS229BDW works in a "write once" mode where all the ports are written to simultaneously. This reduces power consumption and increases throughput as no additional cycles are needed between multiple writes. Additionally, it supports programmable write-waveforms that allow for flexible timing solutions according to the specific application.

SN74ALS229BDW can also be used in conjunction with the Dual Bank Memory to allow for the simultaneous use of multiple ports. This allows for the multiple ports to be added without the need of additional cycles or logic. Furthermore, it provides built-in flow control circuitry, allowing users to fine-tune the memory as much as possible.

In summary, SN74ALS229BDW is an effective and reliable device for a variety of applications. Its "write once" mode, DMA support, and flexible timing solutions make it a perfect fit for switching networks, packet switching, multi-bus networks, and communication systems. Moreover, its ease of implementation, dual-bank support, and built-in flow control circuitry, allows for a complete and cost-effective system for a wide range of users.

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