93C76A-E/MS

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93C76A-E/MS is a kind of memory which comes from the series of 93C76 EEPROM designed by Microchip Technology Inc. This series is non-volatile, low-voltage memory featured with two-wire Serial Peripheral Interface (SPI) communication protocol. It is suitable for battery-powered and portable devices since it can operate down to 1.7V, has low power consumption and fast erase and write times. The 93C76A-E/MS memory introduced in this article contains a variety of functionalities, from 128KB to 2MB of program memory, up to 256 bits of user-programmable lock bits, low-voltage write protect, read and write of words, and fast erase and write times.

The application fields of 93C76A-E/MS memory includes industrial controller, motor control, embedded system, and automotive. Number of industrial controllers, motor controls, and embedded system need to save parameters that need to be electrically non-volatile. 93C76A-E/MS can eliminate the need of using a Microcontroller Flash Memory to hold settings. This memory can also be used in automotive, where it can store the settings in cars such as door settings, window lift settings, and remote settings.

The transmission protocol of 93C76A-E/MS memory is based on two-wire SPI, allowing communications between devices outside the chip. SPI is a synchronous serial interface that uses three or four control signals to regulate data flow between one master device and one or multiple slave devices. The signals required for SPI communication include a Synchronization signal, Chip Select, Serial Data In and Serial Data Out. Without a Chip Select signal, the slave devices will not respond to the master commands.

In addition to the SPICLK and SPICS signals from the peripheral devices, the 93C76A-E/MS memory has the user-programmable write protect, read enable and write enable signals. With the write protect signal active, the memory is locked and stops responding to commands until it is unlocked again. The write enable and read enable signals are used to control read and write cycles respectively. To perform an operation, the desired operation must first be enabled through the write enable or read enable pins before the operation is executed.

The 93C76A-E/MS memory operates between 1.7V and 5.5V. The default programming voltage conventionally used is 3.3V, but depending on the application the voltage can be adjusted. For a faster erase and write time, the 93C76A-E/MS memory provides three address buses and a chip enable outputs. All the extended instructions across all address buses can be used for faster-erase/write cycles. The 93C76A-E/MS memory also enables simultaneous reads and writes, providing higher operation speed.

In conclusion, the 93C76A-E/MS memory is an ideal choice for low-voltage, portable, and battery-powered applications due to its fast erase and write times and low power consumption. The 93C76A-E/MS memory provides a series of functionalities to allow developers to reduce their system cost and time-to-market. With its wide range of application fields, from industrial controller, motor control, embedded system, automotive, the 93C76A-E/MS memory is a reliable and efficient memory for applications that require high reliability, low power consumption, and speed.

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