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AT28C256F-15UM/883

AT28C256F-15UM/883

AT28C256F-15UM/883

Microchip Technology

5V V Through Hole Memory IC AT28C256 256 kb kb 16.51mm mm 50mA mA

SOT-23

AT28C256F-15UM/883 Datasheet

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Specifications
Name Value
Type Parameter
Factory Lead Time 23 Weeks
Contact Plating Lead, Tin
Mount Through Hole
Mounting Type Through Hole
Package / Case 28-BCPGA
Number of Pins 28
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
Frequency 150GHz
[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 150ns
Memory Format EEPROM
Memory Interface Parallel
Organization 32KX8
Output Characteristics 3-STATE
Memory Width 8
Write Cycle Time - Word, Page 3ms
Density 256 kb
Standby Current-Max 0.0003A
Screening Level MIL-STD-883 Class C
Programming Voltage 5V
Endurance 10000 Write/Erase Cycles
Write Cycle Time-Max (tWC) 3ms
Data Polling YES
Toggle Bit YES
Page Size 64words
Height Seated (Max) 4.4mm
Length 16.51mm
Width 13.97mm
RoHS Status Non-RoHS Compliant
Lead Free Contains Lead
Pricing & Ordering
Quantity Unit Price Ext. Price
1 $351.65000 $351.65
500 $348.1335 $174066.75
1000 $344.617 $344617
1500 $341.1005 $511650.75
2000 $337.584 $675168
2500 $334.0675 $835168.75
AT28C256F-15UM/883 Product Details

AT28C256F-15UM/883 Overview


Non-Volatile is the type of memory it has. It is available in a case with a Tray shape. In the case of 28-BCPGA, it is embedded within the case. It is estimated that the memory size on the chip is 256Kb 32K x 8. In this device, the memory is of the EEPROM-format, which is a popular format in the mainstream computing sector. Due to its extended operating temperature range, the device is well suited for a wide range of demanding applications. A supply voltage of 4.5V~5.5V can be applied to it. Its recommended mounting type is Through Hole. As you can see from the diagram, the chip is planted with 28 terminations. The comprehensive working procedure of this part involves 1 functions. In order to operate this memory device, it must be supplied with 5V of power. When choosing similar parts, AT28C256 is frequently referred to as the device's base part number. The ic memory chip comes in a package with 28 pins that allows it to be connected to a computer. A voltage of 5V is noted as the operating supply voltage for this memory. Memory chips configured with Through Hole mounting achieve high efficiency and simplicity. As far as its nominal supply current is concerned, this memory component carries a rating of 50mA. Despite all its merits, this chip also features AUTOMATIC WRITE to boost system performance. When it comes to power supplies, this memory chip only requires 5V . Nonvolatile memory arrays require 5V programming voltages to change their states. A frequency of 150GHz is used to process the data on this memory chip.

AT28C256F-15UM/883 Features


Package / Case: 28-BCPGA
28 Pins
Operating Supply Voltage:5V
Additional Feature:AUTOMATIC WRITE
Freguency at 150GHz
150GHz terminals

AT28C256F-15UM/883 Applications


There are a lot of Microchip Technology AT28C256F-15UM/883 Memory applications.

  • printers
  • telecommunications
  • cell phones
  • DVD disk buffer
  • eDRAM
  • personal digital assistants
  • workstations,
  • supercomputers
  • hard disk drive (HDD)
  • multimedia computers

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