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AT28HC256-70SU-T

AT28HC256-70SU-T

AT28HC256-70SU-T

Microchip Technology

Memory IC 17.9mm mm

SOT-23

AT28HC256-70SU-T Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 14 Weeks
Mounting Type Surface Mount
Package / Case 28-SOIC (0.295, 7.50mm Width)
Surface MountYES
Operating Temperature-40°C~85°C TC
PackagingTape & Reel (TR)
Published 1997
JESD-609 Code e3
Part StatusActive
Moisture Sensitivity Level (MSL) 2 (1 Year)
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) NOT SPECIFIED
Number of Functions 1
Supply Voltage 5V
Terminal Pitch1.27mm
[email protected] Reflow Temperature-Max (s) NOT SPECIFIED
JESD-30 Code R-PDSO-G28
Supply Voltage-Max (Vsup) 5.5V
Supply Voltage-Min (Vsup) 4.5V
Memory Size256Kb 32K x 8
Memory TypeNon-Volatile
Operating ModeASYNCHRONOUS
Access Time 70ns
Memory Format EEPROM
Memory InterfaceParallel
Organization 32KX8
Memory Width 8
Write Cycle Time - Word, Page 10ms
Memory Density 262144 bit
Programming Voltage5V
Write Cycle Time-Max (tWC) 10ms
Height Seated (Max) 2.65mm
Length 17.9mm
Width 7.5mm
RoHS StatusROHS3 Compliant
In-Stock:631 items

Pricing & Ordering

QuantityUnit PriceExt. Price

AT28HC256-70SU-T Product Details

AT28HC256-70SU-T Overview


As far as its memory type goes, it falls into the Non-Volatile category. In addition, memory ics is available in a Tape & Reel (TR) case as well. There is a 28-SOIC (0.295, 7.50mm Width) case embedded in it. There is an 256Kb 32K x 8 memory capacity on the chip. 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. It is supplied votage within 4.5V~5.5V. A Surface Mount mounting type is recommended for this product. On the chip, there are 28 terminations that are planted. This part supports as many as 1 functions for the comprehensive working procedure. An 5V supply is required for this ic memory chip to operate properly. To alter the state of certain nonvolatile memory arrays, 5V programming voltage is required.

AT28HC256-70SU-T Features


Package / Case: 28-SOIC (0.295, 7.50mm Width)

AT28HC256-70SU-T Applications


There are a lot of Microchip Technology AT28HC256-70SU-T Memory applications.

  • personal digital assistants
  • data buffer
  • mainframes
  • graphics card
  • printers
  • personal computers
  • eSRAM
  • supercomputers
  • workstations,
  • multimedia computers

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