Microchip AT28HC256-70SI

Manufacturer No:

AT28HC256-70SI

Manufacturer:

Microchip

Package:

28-SOIC (0.295, 7.50mm Width)

Description:

Memory IC AT28HC256

Quantity:

In Stock :8816

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Shipping & Availability

Fast worldwide shipping via DHL, FedEx, UPS, and EMS.

Shipped from：HK Warehouse

Expected Shipping：Sat, May 30 - Sun, May 31, 2026

Lead Time：Inquire about availability

Date Code：Within 2 Years

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User Guide

Aichiplink operates certified in-house inspection and testing facilities to ensure all electronic components meet internationally recognized quality and compliance standards. Our quality management system is verified through ISO 9001 certification and industry-standard inspection procedures.

PURCHASE

Please verify all part numbers, quantities, and packaging preferences before placing your order. If substitutions are acceptable, please indicate this clearly. For time-sensitive projects, confirm estimated delivery dates and stock availability in advance. Once submitted, changes or cancellations may not be possible, especially for items marked as non-cancellable/non-returnable (NCNR). For international shipments, please ensure all import documentation is complete and accurate to avoid delays.

MEANS OF PAYMENT

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RFQ (REQUEST FOR QUOTATIONS)

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Provide target prices and acceptable alternatives, if any, to speed up the quotation process.

IMPORTANT NOTICE

Quotations are subject to stock availability and may vary with market conditions. Prices and lead times are not guaranteed until a purchase order is confirmed. Ensure your contact details are correct to avoid delays in response.

Step1：Prepare product

Step2：Desiccant Protection

Step3：Vacuum Packaging

Step4：Individual Package

Step5：Anti-collision Filling

Step6：Packaging Box

SHIPPING COST

1. Shipping starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).
2. Some specific products need to reach the minimum order quantity.
3. It may cost additional remote fees for delivery if you are in a remote area.

SHIPPING METHOD

Currently, our products are shipped through DHL, FedEx, SF, and UPS.

DELIVERY TIME

1. Once the goods are shipped, estimated delivery time depends on the shipping methods you chose: FedEx International, 5-7 business days.
2. For in-stock parts, orders normally could be shipped out within 1-2days.

AT28HC256-70SI Information

Microchip AT28HC256-70SI technical specifications, attributes, parameters and parts with similar specifications to Microchip AT28HC256-70SI.

Type
Parameter

Mounting Type
Surface Mount

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

Operating Temperature
-40°C~85°C TC

Packaging
Tube

Published
2016

Part Status
Obsolete

Moisture Sensitivity Level (MSL)
2 (1 Year)

Voltage - Supply
4.5V~5.5V

Base Part Number
AT28HC256

Memory Size
256Kb 32K x 8

Type
Parameter

Memory Type
Non-Volatile

Access Time
70ns

Memory Format
EEPROM

Memory Interface
Parallel

Write Cycle Time - Word, Page
10ms

RoHS Status
RoHS Compliant

Download datasheets and manufacturer documentation for Microchip AT28HC256-70SI.

PCN Packaging:

microchiptechnology-ata8210ghqw-pcnpackaging-9924.pdf

microchiptechnology-micrf229yqst5-pcnpackaging-9613.pdf

AT28HC256-70SI Overview

There is a Non-Volatile memory type associated with this device. Tube-cases are available. There is a 28-SOIC (0.295, 7.50mm Width) case embedded in it. 256Kb 32K x 8 is the chip's memory size. EEPROM-format memory is used in this device, which is a mainstream design. 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. A Surface Mount mounting type is recommended for this product. When selecting similar parts for the ic memory chip, AT28HC256 is often referred to.