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AT28C256E-20FM/883

AT28C256E-20FM/883

AT28C256E-20FM/883

Microchip Technology

5V V Surface Mount Memory IC AT28C256 256 kb kb 50mA mA

SOT-23

AT28C256E-20FM/883 Datasheet

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Specifications
Name Value
Type Parameter
Factory Lead Time 23 Weeks
Contact Plating Lead, Tin
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 28-CFlatPack
Number of Pins 28
Operating Temperature -55°C~125°C TC
Packaging Tube
Published 1997
JESD-609 Code e0
Pbfree Code no
Part Status Active
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 28
Terminal Finish TIN LEAD
Additional Feature AUTOMATIC WRITE
Technology CMOS
Voltage - Supply 4.5V~5.5V
Terminal Position DUAL
Peak Reflow Temperature (Cel) 240
Number of Functions 1
Supply Voltage 5V
Terminal Pitch 1.27mm
Frequency 200GHz
[email protected] Reflow Temperature-Max (s) 30
Base Part Number AT28C256
Qualification Status Not Qualified
Operating Supply Voltage 5V
Power Supplies 5V
Interface Parallel, SPI
Memory Size 256Kb 32K x 8
Nominal Supply Current 50mA
Memory Type Non-Volatile
Operating Mode ASYNCHRONOUS
Access Time 200ns
Memory Format EEPROM
Memory Interface Parallel
Organization 32KX8
Output Characteristics 3-STATE
Memory Width 8
Write Cycle Time - Word, Page 10ms
Density 256 kb
Standby Current-Max 0.0003A
Screening Level MIL-STD-883 Class C
Programming Voltage 5V
Endurance 100000 Write/Erase Cycles
Write Cycle Time-Max (tWC) 10ms
Data Polling YES
Toggle Bit YES
Page Size 64words
Height Seated (Max) 3.02mm
Width 10.16mm
RoHS Status Non-RoHS Compliant
Lead Free Contains Lead
Pricing & Ordering
Quantity Unit Price Ext. Price
15 $155.01533 $2325.22995
AT28C256E-20FM/883 Product Details

AT28C256E-20FM/883 Overview


As far as its memory type goes, it falls into the Non-Volatile category. In addition, memory ics is available in a Tube case as well. As you can see, it is embedded in 28-CFlatPack case. It is estimated that the memory size on the chip is 256Kb 32K x 8. The device uses a mainstream EEPROM-format memory. The device's extended operating temperature range of -55°C~125°C TC makes it ideal for many demanding applications. A voltage of 4.5V~5.5V can be supplied to memory ics. It is recommended to mount it in the Surface Mount mounting type. On the chip, there are 28 terminations that are planted. There are 1 functions supported by this part as part of the comprehensive working process. Memory devices such as this one are designed to be powered by 5V and should be used as such. When selecting similar parts for the ic memory chip, AT28C256 is often referred to. It is encased in an 28-pin package that contains this ic memory chip. It is noted that the operating supply voltage of this memory is 5V. This chip uses Surface Mount mounting, a straightforward, high-efficiency method of mounting. As far as its nominal supply current is concerned, this memory component carries a rating of 50mA. Despite all its benefits, this memory chip also offers AUTOMATIC WRITE for improved system performance. This memory chip requires a mere 5V of power. Nonvolatile memory arrays require 5V programming voltage to change their state. This memory chip processes data at a frequency of 200GHz.

AT28C256E-20FM/883 Features


Package / Case: 28-CFlatPack
28 Pins
Operating Supply Voltage:5V
Additional Feature:AUTOMATIC WRITE
Freguency at 200GHz
200GHz terminals

AT28C256E-20FM/883 Applications


There are a lot of Microchip Technology AT28C256E-20FM/883 Memory applications.

  • eSRAM
  • main computer memory
  • servers
  • embedded logic
  • Cache memory
  • Camcorders
  • hard disk drive (HDD)
  • DVD disk buffer
  • mainframes
  • nonvolatile BIOS memory

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