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Description
512 Kbit 64K x8 UV EPROM and OTP EPROM
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Description
Electrical Erasable Read Only Memory (EPROM) is a type of non-volatile memory, which means it can retain its data even when power is turned OFF.EPROM can be thought as an array of floating gate transistors, individually programmed by a programming device. Once programmed EPROM can be erased by exposing it to strong ultraviolet rays. These EPROM ICs are recognizable by the transparent window at the top.
M27C512-90F6 is a UV EPROM IC. It has a transparent lid which allows the user to expose the chip to ultraviolet light to erase the bit pattern. New pattern can then be written to the device following the programming procedure. This EPROM operates at 5V and consumes very little power which is 70mA in case of active mode and 100μA in case of standby mode.
Pin Description
It is available in FDIP 48 W(F) configuration.
IC Electrical Characteristics/ Specifications
This device can be mounted on printed circuit boards in through hole orientation, other electrical parameters of the device are given below
Working Principle
M27C512-90F6 has two control functions, both of which must be logically active in order to obtain data at the outputs. Chip enable is (E’) is used for device selection. Output enable (G’) is the output control and should be used to gate data to the output pin. When delivered or after every erasure cycle M27C512-90F6 are in the ‘1’ state. Data is stored by selectively programming ‘0s’ into the desired bit locations. Although only ‘0’ are programmed but data word can have both ‘0’ and ‘1’. The M27C512-90F6 will be in programming mode when VPP input is at 12.75 V, G’ is at VIH and E’ is pulsed to VIL. Erasure begins when the cells are exposed to the light with wavelength shorter than approximately 4000 A. constant exposure to the sun light or room level fluorescent lighting could erase the typical M27C512-90F6.
Applications
Ideal for microprocessor application where system requires a large program
EPROM with Microcontroller
A typical application of the EPROM is the attachment of EPROM with microcontroller where microcontroller require a program that has size greater than its internal program storage memory.
Preview of the first 3 pages of the data sheet
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282 buyer reviews from Canada
Mike
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item as described.product arrived fast. thanks
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Everything is fine! Good luck to all!
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i bought a few from this seller and they have the best price and quality!
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Good Goods. Fast forward. I all happy
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Very disappointed at the delivery speed. I paid good money for shipping but only to wait two weeks for the parcel to arrive.
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M27C512-90F6
M27C512-90F6 has several brands around the world that may have alternate names for M27C512-90F6 due to regional differences or acquisition. M27C512-90F6 may also be known as the following names:
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