CY62128EV30LL-55ZXE

Series:	MoBL®
Packaging:	Tube
Part Status:	Active
Memory Type:	Volatile
Memory Format:	SRAM
Technology:	SRAM - Asynchronous
Memory Size:	1Mb (128K x 8)
Write Cycle Time - Word, Page:	55ns
Access Time:	55ns
Memory Interface:	Parallel
Voltage - Supply:	2.2 V ~ 3.6 V
Operating Temperature:	-40°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	32-TFSOP (0.724", 18.40mm Width)
Supplier Device Package:	32-TSOP I
Base Part Number:	CY62128

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CY62128EV30LL-55ZXE Application field and Working Principle

Introduction to Memory:Memory is an essential component of a modern computer system. It is the memory in which data, instructions and other information are stored. Memory is made up of several types such as RAM (Random Access Memory), ROM (Read Only Memory), PROM (Programmable Read-Only Memory), and EEPROM (Electrically Erasable Programmable Read-Only Memory). CY62128EV30LL-55ZXE Overview:CY62128EV30LL-55ZXE is a 128K-bit pseudo-SRAM (PSRAM) device. It is used as a data storage and exchange medium within the computer system. The device uses an 8-bit data bus and has a 55 ns access time. It is organized as 2K words by 64 bits, and requires a single +3.3-V power supply for operation. It also has a self-timed page write cycle and an array of power-down features to reduce normal operating frequency.Application FieldCY62128EV30LL-55ZXE is commonly used in embedded systems such as cellphones, PDAs and other portable devices. It is used in these applications because of its low power consumption, speed and small size. It is also used in automotive applications and medical systems. The fast access time, low power consumption and extended range of temperature make the device well suited for such applications.Working PrincipleCY62128EV30LL-55ZXE is comprised of a synchronous PSRAM array and its associated control circuitry. The device functions mainly in synchronous random access mode. When the device is activated, first the address and chip select signals are provided to set the address in the address register. Then the data is written into the memory array by latching it into the data register. During a write operation, the device first latches the address and then the data. When the input enables falls low, the data is written into the memory cell array. The CY62128EV30LL-55ZXE device also has a serial addressable interface, which allows for the memory array to be accessed in a sliding window fashion. This serial interface can be used for applications where a large block of data needs to be read or written in one single operation, such as in medical systems.ConclusionCY62128EV30LL-55ZXE is a single power supply, 8-bit data, 1M-bit memory device. It is used in embedded, automotive and medical applications due to its fast access time and low power consumption. The device can work in synchronous random access and serial addressable modes and has several power-down features to reduce normal operating frequency.

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