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AT28HC256E-12SU

AT28HC256E-12SU

AT28HC256E-12SU

Microchip Technology

5V V Surface Mount Memory IC AT28HC256 256 kb kb 17.9mm mm 80mA mA

SOT-23

AT28HC256E-12SU Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 3 Weeks
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 28-SOIC (0.295, 7.50mm Width)
Number of Pins 28
Operating Temperature-40°C~85°C TC
PackagingTube
Published 1997
JESD-609 Code e3
Pbfree Code yes
Part StatusActive
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 28
Terminal Finish Matte Tin (Sn) - annealed
Technology CMOS
Voltage - Supply 4.5V~5.5V
Terminal Position DUAL
Peak Reflow Temperature (Cel) 250
Number of Functions 1
Supply Voltage 5V
Terminal Pitch1.27mm
[email protected] Reflow Temperature-Max (s) 40
Base Part Number AT28HC256
Operating Supply Voltage5V
Power Supplies5V
Memory Size256Kb 32K x 8
Nominal Supply Current80mA
Memory TypeNon-Volatile
Access Time 120ns
Memory Format EEPROM
Memory InterfaceParallel
Organization 32KX8
Memory Width 8
Write Cycle Time - Word, Page 10ms
Density 256 kb
Standby Current-Max 0.0003A
Programming Voltage5V
Endurance 100000 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) 2.65mm
Length 17.9mm
Width 7.5mm
Radiation HardeningNo
RoHS StatusROHS3 Compliant
In-Stock:556 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$7.14000$7.14
25$6.87000$171.75
100$6.60230$660.23

AT28HC256E-12SU Product Details

AT28HC256E-12SU Overview


There is a Non-Volatile memory type associated with this device. The case comes in the Tube style. 28-SOIC (0.295, 7.50mm Width) case encloses it. This chip has an 256Kb 32K x 8 size of memory on it, so a lot of data can be stored on it. EEPROM-format memory is used in this device, which is a mainstream design. This device has an extended operating temperature range of -40°C~85°C TC, so it's perfect for a wide range of demanding applications. A voltage of 4.5V~5.5V is possible to be applied to the supply. There is a recommendation that Surface Mount mounting type should be used for this product. It is planted on the chip with 28 terminations. The part supports at least 1 functions to ensure a comprehensive working process. Memory devices such as this one are designed to be powered by 5V and should be used as such. To select similar parts, many people use the device's base part number AT28HC256. The memory device has an 28-pin package, which encloses it in a small package. There is a note indicating that this memory chip operates at an 5V volt supply voltage. This chip uses Surface Mount mounting, a straightforward, high-efficiency method of mounting. Memory chip's nominal supply current is 80mA. As for the power supply, this memory chip only needs 5V . There is a need for a programming voltage of 5V in order to modify the state of some nonvolatile memory arrays.

AT28HC256E-12SU Features


Package / Case: 28-SOIC (0.295, 7.50mm Width)
28 Pins
Operating Supply Voltage:5V

AT28HC256E-12SU Applications


There are a lot of Microchip Technology AT28HC256E-12SU Memory applications.

  • supercomputers
  • personal computers
  • eSRAM
  • data buffer
  • embedded logic
  • Camcorders
  • printers
  • networking
  • workstations,
  • main computer memory

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