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AT28HC256F-90SU

AT28HC256F-90SU

AT28HC256F-90SU

Microchip Technology

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

SOT-23

AT28HC256F-90SU Datasheet

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In-Stock: 0 items
Specifications
Name Value
Type Parameter
Factory Lead Time 14 Weeks
Contact Plating Tin
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
Packaging Tube
Published 1997
JESD-609 Code e3
Pbfree Code yes
Part Status Active
Moisture Sensitivity Level (MSL) 2 (1 Year)
Number of Terminations 28
Technology CMOS
Voltage - Supply 4.5V~5.5V
Terminal Position DUAL
Number of Functions 1
Supply Voltage 5V
Terminal Pitch 1.27mm
Frequency 5MHz
Base Part Number AT28HC256
Operating Supply Voltage 5V
Memory Size 256Kb 32K x 8
Nominal Supply Current 80mA
Memory Type Non-Volatile
Access Time 90ns
Memory Format EEPROM
Memory Interface Parallel
Organization 32KX8
Memory Width 8
Write Cycle Time - Word, Page 3ms
Density 256 kb
Programming Voltage 5V
Write Cycle Time-Max (tWC) 3ms
Height Seated (Max) 2.65mm
Length 17.9mm
Width 7.5mm
Radiation Hardening No
RoHS Status ROHS3 Compliant
Lead Free Lead Free
Pricing & Ordering
Quantity Unit Price Ext. Price
1 $18.595840 $18.59584
10 $17.543245 $175.43245
100 $16.550232 $1655.0232
500 $15.613426 $7806.713
1000 $14.729647 $14729.647
AT28HC256F-90SU Product Details

AT28HC256F-90SU Overview


In terms of its memory type, it can be classified as Non-Volatile. It comes in a Tube. An embedded 28-SOIC (0.295, 7.50mm Width) case surrounds memory ics. It is estimated that the memory size on the chip is 256Kb 32K x 8. This device utilizes a EEPROM format memory which is of mainstream design. The device's extended operating temperature range of -40°C~85°C TC makes it ideal for many 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. The chip is terminated with 28 terminations. For a comprehensive working procedure, this part supports as many as 1 functions. In order to function properly, this ic memory chip should be powered by a voltage of 5V. As the base part number for the device, AT28HC256 is frequently used to select similar items. An 28-pin package is used to package this memory device. According to the datasheet, this memory chip operates at an operating voltage of 5V. This chip uses Surface Mount mounting, a straightforward, high-efficiency method of mounting. In terms of its nominal supply current, this memory component has a rating of 80mA. To alter the state of certain nonvolatile memory arrays, 5V programming voltage is required. This memory chip processes data at a frequency of 5MHz.

AT28HC256F-90SU Features


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

AT28HC256F-90SU Applications


There are a lot of Microchip Technology AT28HC256F-90SU Memory applications.

  • multimedia computers
  • embedded logic
  • networks
  • personal computers
  • mainframes
  • DVD disk buffer
  • Cache memory
  • eDRAM
  • nonvolatile BIOS memory
  • workstations,

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