AT27C256R-55PI

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Memory Type:	Non-Volatile
Memory Format:	EPROM
Technology:	EPROM - OTP
Memory Size:	256Kb (32K x 8)
Write Cycle Time - Word, Page:	--
Access Time:	55ns
Memory Interface:	Parallel
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C (TC)
Mounting Type:	Through Hole
Package / Case:	28-DIP (0.600", 15.24mm)
Supplier Device Package:	28-PDIP
Base Part Number:	AT27C256

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AT27C256R-55PI application field and working principleThe AT27C256R-55PI is one of the most commonly used integrated circuits in the world and is categorized as a Memory device. It can be used in a wide variety of applications such as digital signal processing, as well as in various computer systems, including microcontrollers and embedded systems.This integrated circuit is an 8-bit voltage-controlled oscillator (VCO) designed to provide robust operation, reliability and stability for the performance of a variety of circuits and applications. Its primary function is to convert an analog signal into a digital one, where the digital signal is then available at its output.The AT27C256R-55PI has an 8-bit resolution and a memory capacity of 256K bytes. This memory capacity is based on the fact that it can store 16 words of 16-bit instruction codes. It is designed in an angle-K layout configuration and can be found in all sizes of packages, ranging from 5 pins to 20 pins. It also has a wide variety of package types such as, low-power or standard, surface mount and through-hole, making it suitable for a wide range of applications.In order to understand how the AT27C256R-55PI works, one must first understand its analog to digital conversion (ADC) process. This process consists of two stages: first, an analog signal is converted to a digital equivalent, and then the digital equivalent is compared to a reference voltage to get a result of either low or high.When the analog signal is converted to its digital equivalent, the ADC first performs a sample and hold operation to hold the analog value for the time required for conversion. It then amplifies the signal and converts it to a proportional digital value. The proportional digital value is then compared to the reference voltage and a result of either low or high is given.The AT27C256R-55PI is designed to be a very reliable and stable device and can be used in a wide range of applications. It is often found in microcontrollers and embedded systems, where its ability to process digital data is extremely useful. Its wide variety of package options and layout configuration makes it suitable for many types of computing applications, and its reliability makes it an excellent choice for those who need a robust and reliable digital-to-analog converter.

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