7284L12PA

Bus Directional:	Uni-Directional
Base Part Number:	7284
Supplier Device Package:	56-TSSOP
Package / Case:	56-TFSOP (0.240", 6.10mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
FWFT Support:	No
Retransmit Capability:	Yes
Programmable Flags Support:	No
Expansion Type:	Depth, Width
Series:	7200
Current - Supply (Max):	150mA
Voltage - Supply:	4.5V ~ 5.5V
Access Time:	12ns
Data Rate:	50MHz
Function:	Asynchronous
Memory Size:	72K (4K x 9 x 2)
Part Status:	Obsolete
Packaging:	Tube

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Introduction to 7284L12PA

7284L12PA is a FIFO memory integrated circuit designed to bridge different logic and memory interfaces. It integrates a memory array and logic interface circuitry to enable the immediate retrieval and delivery of data.

Technology Overview

The 7284L12PA supports four FIFO memories, each with a separate dedicated 16-bit interface. The FIFO memories function by storing data in an internal memory array and retrieving it according to the write and read addresses specified in the interface. The device\'s architecture provides for a separate write and read interface enabling simultaneous write and read operations. Data written into the array is stored in 16-bit words and moves from one cell in the array to the next when reading data from the FIFO.

Application Field

The 7284L12PA can be used in a variety of applications, such as supporting PC-to-PC connections, in-system audio/video bridging, and multi-drop serial links. It can process data streams with higher rate requirements in millisecond or sub-millisecond time frames. It is ideal for applications requiring high throughput and low latency.

Working Principle

The 7284L12PA is a First in First out (FIFO) memory. This means that when data is written into the array, it is written from the first cell in the array to the last one. When data is read from the FIFO, it is taken from the first cell in the array to the last one. The output data rate is driven by the internal clock rate and can be further modified by a programmable clock multiplier. The input data rate is determined by a separate external clock.

Conclusion

The 7284L12PA is a powerful and reliable FIFO memory driver that enables rapid and efficient communication between different logic-based systems. It is ideal for applications requiring high throughput and low latency, and is a reliable, high-performance solution for PC-to-PC, multi-drop serial, and in-system audio/video bridging.

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