CY7C128A-15PC

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CY7C128A-15PC is a type of nonvolatile static random-access memory (NVSRAM) with a 15-line parallel port. It is a member of several miniature NVSRAMs manufactured by Cypress that enables data to be retrieved in a low-power operating state. It has a maximum operating temperature range of -55°C to +125°C, a power capacity of 8 mA at +5V, and data retention of 40 years. This small-scale NVSRAM is often used in embedded systems, sensors, and automotive applications for its reliability and long-term performance.

The CY7C128A-15PC is composed of two data output lines (CE# and OE#), three address lines (A0, A1, and A2), two control input lines (WE# and CE#), an eight-bit data bus (D0..D7), and a diagnostic output line (PGM#). The device can hold up to 128Kb of data, the width of the data bus is 8 bits, and the power requirements are 5 volts. The operating speed of the device is 250 ns and it can read and write at the same time. The device also supports an on-chip watchdog timer, which can be used to monitor and detect any system failures.

The CY7C128A-15PC is built upon high-density CMOS technology, ensuring low power consumption and good reliability. It is a nonvolatile memory device, meaning it works even with no power applied or during power interruptions. With the built-in write-protection feature, the CY7C128A-15PC also gives you the peace of mind that your data is securely retained even under tough operating conditions.

The CY7C128A-15PC provides a wide range of applications in various fields. It has been used for data logging, embedded bus control, saving settings, industrial automation, and in medical equipment. In the automotive industry, it is used in engine control units, dashboards, and infotainment systems. It is also used extensively in robotics, wearables, and home automation.

The working principle behind the CY7C128A-15PC is very straightforward. The data input lines are connected to the A/D converter on the device, and the output is directly routed to the data bus. The control inputs (WE#, CE#, and OE#) provide the necessary access to the data stored in the memory banks. Address and control signals are used to select the memory cells and to read or write data into the selected memory cells. The write protection (WP#) pin can be used to prevent the accidental writing of data in the device.

In conclusion, the CY7C128A-15PC is a type of nonvolatile static random-access memory with a 15-line parallel port. It has a wide range of applications in various fields and works on the straightforward principle of providing data input lines connected to an A/D converter and directly routing the output to the data bus. As a reliable and long-term performing device, the CY7C128A-15PC can play an important role in various projects, from automotive components to home automation systems.

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