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AT28C256-25UM/883

AT28C256-25UM/883

AT28C256-25UM/883

Microchip Technology

5V V Memory IC AT28C256 16.51mm mm

SOT-23

AT28C256-25UM/883 Datasheet

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In-Stock: 0 items
Specifications
Name Value
Type Parameter
Factory Lead Time 23 Weeks
Mounting Type Through Hole
Package / Case 28-BCPGA
Surface Mount NO
Operating Temperature -55°C~125°C TC
Packaging Tray
Published 1997
JESD-609 Code e0
Pbfree Code no
Part Status Active
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 28
Terminal Finish Tin/Lead (Sn/Pb)
Additional Feature AUTOMATIC WRITE
Technology CMOS
Voltage - Supply 4.5V~5.5V
Terminal Position PERPENDICULAR
Peak Reflow Temperature (Cel) 225
Number of Functions 1
Supply Voltage 5V
Terminal Pitch 2.54mm
[email protected] Reflow Temperature-Max (s) 30
Base Part Number AT28C256
JESD-30 Code R-CPGA-P28
Qualification Status Not Qualified
Supply Voltage-Max (Vsup) 5.5V
Power Supplies 5V
Supply Voltage-Min (Vsup) 4.5V
Memory Size 256Kb 32K x 8
Memory Type Non-Volatile
Operating Mode ASYNCHRONOUS
Supply Current-Max 0.05mA
Access Time 250ns
Memory Format EEPROM
Memory Interface Parallel
Organization 32KX8
Output Characteristics 3-STATE
Memory Width 8
Write Cycle Time - Word, Page 10ms
Standby Current-Max 0.0003A
Memory Density 262144 bit
Screening Level MIL-STD-883 Class C
Programming Voltage 5V
Endurance 10000 Write/Erase Cycles
Write Cycle Time-Max (tWC) 10ms
Data Polling YES
Toggle Bit YES
Command User Interface NO
Page Size 64words
Height Seated (Max) 4.4mm
Length 16.51mm
Width 13.97mm
RoHS Status Non-RoHS Compliant
Pricing & Ordering
Quantity Unit Price Ext. Price
1 $331.47000 $331.47
500 $328.1553 $164077.65
1000 $324.8406 $324840.6
1500 $321.5259 $482288.85
2000 $318.2112 $636422.4
2500 $314.8965 $787241.25
AT28C256-25UM/883 Product Details

AT28C256-25UM/883 Overview


In terms of its memory type, it can be classified as Non-Volatile. Tray-cases are available. The file is embedded in a 28-BCPGA case. There is 256Kb 32K x 8 of memory on the chip. Memory data is stored in EEPROM-format, which is common in mainstream devices. Due to its wide operating temperature range, this device can be used in a wide variety of demanding applications. A voltage of 4.5V~5.5V is possible to be applied to the supply. There is a recommendation that Through Hole mounting type should be used for this product. The chip contains 28 terminations. There are 1 functions supported by this part as part of the comprehensive working process. In order to operate this memory device, it must be supplied with 5V of power. As the base part number for the device, AT28C256 is frequently used to select similar items. This chip is not only loaded with advantages, but it also comes with AUTOMATIC WRITE, which boosts the performance of your system. In terms of power requirements, this memory chip uses only 5V . The device is able to run from a max supply current of 0.05mA , so it can be used in any environment. There is a need for a programming voltage of 5V in order to modify the state of some nonvolatile memory arrays.

AT28C256-25UM/883 Features


Package / Case: 28-BCPGA
Additional Feature:AUTOMATIC WRITE

AT28C256-25UM/883 Applications


There are a lot of Microchip Technology AT28C256-25UM/883 Memory applications.

  • Cache memory
  • servers
  • workstations,
  • supercomputers
  • graphics card
  • Camcorders
  • personal computers
  • networking
  • eDRAM
  • personal digital assistants

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