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AT28HC256-90SU

AT28HC256-90SU

AT28HC256-90SU

Microchip Technology

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

SOT-23

AT28HC256-90SU 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 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) 2.65mm
Length 17.9mm
Width 7.5mm
RoHS StatusROHS3 Compliant
Lead Free Lead Free
In-Stock:485 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$8.09000$8.09
25$7.78680$194.67
100$7.48810$748.81

AT28HC256-90SU Product Details

AT28HC256-90SU Overview


Non-Volatile is the type of memory it has. There is a Tube case available. As you can see, it is embedded in 28-SOIC (0.295, 7.50mm Width) case. Memory size on the chip is 256Kb 32K x 8. This device uses takes advantage of the EEPROM format. A wide operating temperature range makes this device ideal for a variety of demanding applications. The supply voltage can be up to 4.5V~5.5V. As far as the mounting type is concerned, Surface Mount is recommended. On the chip, there are 28 terminations that are planted. The comprehensive working procedure is supported by 1 functions in this part. Memory devices such as this one are designed to be powered by 5V and should be used as such. In order to select similar parts, typical manufacturers refer to AT28HC256 as the device's base part number. There are 28 pins on the package of the memory device. It is noted that the operating supply voltage of this memory is 5V. Chips such as this one are mounted using Surface Mount mounting, a straightforward method of mounting that is effective. As far as its nominal supply current is concerned, this memory component carries a rating of 80mA. As for the power supply, this memory chip only needs 5V . Nonvolatile memory arrays require 5V programming voltages to change their states. Using this memory chip, you will be able to process data at a speed of 90GHz times per second.

AT28HC256-90SU Features


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

AT28HC256-90SU Applications


There are a lot of Microchip Technology AT28HC256-90SU Memory applications.

  • servers
  • multimedia computers
  • supercomputers
  • networking
  • main computer memory
  • eDRAM
  • hard disk drive (HDD)
  • eSRAM
  • telecommunications
  • personal computers

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