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AT28HC256E-90JU

AT28HC256E-90JU

AT28HC256E-90JU

Microchip Technology

5V V Surface Mount Memory IC AT28HC256 256 kb kb 13.97mm mm 80mA mA

SOT-23

AT28HC256E-90JU Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 8 Weeks
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 32-LCC (J-Lead)
Number of Pins 32
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 32
Terminal Finish Matte Tin (Sn) - annealed
Additional FeatureAUTOMATIC WRITE
Technology CMOS
Voltage - Supply 4.5V~5.5V
Terminal Position QUAD
Peak Reflow Temperature (Cel) 245
Number of Functions 1
Supply Voltage 5V
Terminal Pitch1.27mm
Frequency 5MHz
[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 90ns
Memory Format EEPROM
Memory InterfaceParallel
Output Characteristics 3-STATE
Memory Width 8
Write Cycle Time - Word, Page 10ms
Density 256 kb
Standby Current-Max 0.0003A
Screening Level MIL-STD-883
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) 3.556mm
Length 13.97mm
Width 11.43mm
Radiation HardeningNo
RoHS StatusROHS3 Compliant
Lead Free Lead Free
In-Stock:720 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$7.12000$7.12
25$6.86000$171.5
100$6.59200$659.2

AT28HC256E-90JU Product Details

AT28HC256E-90JU Overview


A Non-Volatile-type memory can be classified as the memory type of this device. In addition, memory ics is available in a Tube case as well. The file is embedded in a 32-LCC (J-Lead) case. On the chip, there is an 256Kb 32K x 8 memory, which is the size of the chip's memory. EEPROM-format memory is used in this device, which is a mainstream design. With an extended designed operating temperature of -40°C~85°C TC, this device is capable of lots of demanding applications. The supply voltage can be up to 4.5V~5.5V. The recommended mounting type for this device is Surface Mount. The chip is terminated with 32 terminations. As many as 1 functions are supported for comprehensive working. The memory device is designed to be supplied with an 5V volt power supply in order to operate properly. When choosing similar parts, AT28HC256 is frequently referred to as the device's base part number. It is encased in an 32-pin package that contains this ic memory chip. According to the datasheet, this memory chip operates at an operating voltage of 5V. The memory chip utilizes a straightforward, high-efficiency mounting method, Surface Mount mounting. Memory chip's nominal supply current is 80mA. It also features AUTOMATIC WRITE to boost system performance despite all its merits. Power supplies for this memory chip are merely 5V . Nonvolatile memory arrays require 5V programming voltages to change their states. This memory chip processes data at a frequency of 5MHz.

AT28HC256E-90JU Features


Package / Case: 32-LCC (J-Lead)
32 Pins
Operating Supply Voltage:5V
Additional Feature:AUTOMATIC WRITE
Freguency at 5MHz
5MHz terminals

AT28HC256E-90JU Applications


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

  • servers
  • supercomputers
  • workstations,
  • Camcorders
  • hard disk drive (HDD)
  • cell phones
  • personal computers
  • personal digital assistants
  • nonvolatile BIOS memory
  • data buffer

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