CY7C433-15JXC

CY7C433-15JXC is a by Cypress Semiconductor Corporation issued to Serial Programmable ROM (SPROM) originally programmed with logic devices, suitable for a variety of digital processing systems as a signal storage, processing and transfer devices. It belongs to the Logic - FIFOs Memory.

This device can store logic signals, including the logic level output by logic processing and the temperature output by thermistor. It is applicable to various occasions such as temperature and clock signal cascade, signal transfer, fuzziness compensation and pulse width modulation. The chip requires a single + 5v power supply, low power consumption, fast power-on and high speed operation, can be applied to a variety of high frequency operations.

The working principle of CY7C433-15JXC mainly includes three aspects: storage, reading and writing. The first step is to store data in the chip to be processed. During the storage of data and parameters, the logic controller first loads the data bit by bit into a serial data register, and then obtains an internal timing control signal to open the internal latch. In this way, the data of the internal latch is sent to the ROM address by the decoder and written, and the internal latch is stored in the ROM. The latch is then written to the serial port output data register. When the chip is in operation mode, the chip will detect the write enable signal and write the address data to the ROM.

After the data is stored, the chip starts to enter the data reading stage. At this time, the user can set the address data through the address decoder register, and then send the address data to the ROM for comparison. When the address matches, the data in the ROM is released, and then open the output buffer, the data is output to the data register one by one, sending a timing control signal to the ROM each time, so as to obtain new data output.

Finally, after reading, it enters the write-back stage. This stage needs to store the data back to the ROM. First, the user stores the data one bit after another into the data register, then sends a timing control to the internal latch. During the same time, the address decoder is used to send a decoder command to the ROM, so as to open the internal latch and store it into the ROM. After the write-back, the data written is saved in the ROM.

CY7C433-15JXC has the advantages of fast speed, low power consumption and most importantly, less memory. It is particularly suitable for occasions where the data needs to be stored quickly and accurately, such as data storage, data classification, data comparison and fuzzy compensation.

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