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AT28HC256E-90SU

AT28HC256E-90SU

AT28HC256E-90SU

Microchip Technology

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

SOT-23

AT28HC256E-90SU Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 14 Weeks
Contact PlatingTin
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) 2 (1 Year)
Number of Terminations 28
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
Frequency 90GHz
[email protected] Reflow Temperature-Max (s) 40
Base Part Number AT28HC256
Qualification StatusNot Qualified
Operating Supply Voltage5V
Power Supplies5V
Memory Size256Kb 32K x 8
Nominal Supply Current80mA
Memory TypeNon-Volatile
Operating ModeASYNCHRONOUS
Access Time 90ns
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
RoHS StatusROHS3 Compliant
Lead Free Lead Free
In-Stock:612 items

Pricing & Ordering

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

AT28HC256E-90SU Product Details

AT28HC256E-90SU Overview


As far as memory types are concerned, Non-Volatile is considered to be its memory type. Case Tube is available. The file is embedded in a 28-SOIC (0.295, 7.50mm Width) case. 256Kb 32K x 8 is the chip's memory size. 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. The supply voltage can be up to 4.5V~5.5V. There is a recommendation that Surface Mount mounting type should be used for this product. The chip is terminated with 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, AT28HC256 is frequently used to select similar items. This memory device is enclosed in a 28-pin package. A voltage of 5V is noted as the operating supply voltage for this memory. Chips such as this one are mounted using Surface Mount mounting, a straightforward method of mounting that is effective. In terms of its nominal supply current, this memory component has a rating of 80mA. This memory chip requires a mere 5V of power. A programming voltage of 5V is needed to alter the state of certain nonvolatile memory arrays. A frequency of 90GHz is used to process the data on this memory chip.

AT28HC256E-90SU Features


Package / Case: 28-SOIC (0.295, 7.50mm Width)
28 Pins
Operating Supply Voltage:5V
Freguency at 90GHz
90GHz terminals

AT28HC256E-90SU Applications


There are a lot of Microchip Technology AT28HC256E-90SU Memory applications.

  • main computer memory
  • workstations,
  • hard disk drive (HDD)
  • graphics card
  • embedded logic
  • nonvolatile BIOS memory
  • multimedia computers
  • personal digital assistants
  • eSRAM
  • personal computers

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