Microchip AT29C257-70JI
Manufacturer No:
AT29C257-70JI
Manufacturer:
Microchip
Package:
32-LCC (J-Lead)
Description:
Memory IC AT29C257
Quantity:
In Stock :9674
Looking for price or availability? Send us an RFQ and our sales team will respond quickly.
Shipping & Availability
Fast worldwide shipping via DHL, FedEx, UPS, and EMS.
Shipped from：HK Warehouse
Expected Shipping：Sat, Jun 20 - Sun, Jun 21, 2026
Lead Time：Inquire about availability
Date Code：Within 2 Years
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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 PAYMENTFor your convenience, we accept multiple payment methods in USD, including PayPal, Credit Card, and Wire Transfer. Net terms may be available for qualified customers upon approval.
RFQ (REQUEST FOR QUOTATIONS)Please ensure the part numbers and quantities are accurate and complete when submitting your RFQ.
Provide target prices and acceptable alternatives, if any, to speed up the quotation process.
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.
Currently, our products are shipped through DHL, FedEx, SF, and UPS.
DELIVERY TIME1. 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.
AT29C257-70JI Information
Microchip AT29C257-70JI technical specifications, attributes, parameters and parts with similar specifications to Microchip AT29C257-70JI.
- Type
- Parameter
- Mounting Type
- Surface Mount
- Package / Case
- 32-LCC (J-Lead)
- Supplier Device Package
- 32-PLCC (13.97x11.43)
- Operating Temperature
- -40°C~85°C TC
- Packaging
- Tube
- Published
- 1996
- Part Status
- Obsolete
- Moisture Sensitivity Level (MSL)
- 2 (1 Year)
- Technology
- FLASH
- Voltage - Supply
- 4.5V~5.5V
- Type
- Parameter
- Base Part Number
- AT29C257
- Memory Size
- 256Kb 32K x 8
- Memory Type
- Non-Volatile
- Access Time
- 70ns
- Memory Format
- FLASH
- Memory Interface
- Parallel
- Write Cycle Time - Word, Page
- 10ms
- RoHS Status
- RoHS Compliant
Download datasheets and manufacturer documentation for Microchip AT29C257-70JI.
AT29C257-70JI Overview
In terms of its memory type, it can be classified as Non-Volatile. The case comes in Tube size. The case is embedded in 32-LCC (J-Lead). Memory size on the chip is 256Kb 32K x 8. This device uses takes advantage of the FLASH format. The device's extended operating temperature range of -40°C~85°C TC makes it ideal for many demanding applications. The device is capable of handling a supply voltage of 4.5V~5.5V. The recommended mounting type for this device is Surface Mount. It is common to select similar parts by referring to the device's base part number, AT29C257.
AT29C257-70JI Features
Package / Case: 32-LCC (J-Lead)
AT29C257-70JI Applications
There are a lot of Microchip Technology
AT29C257-70JI Memory applications.
- eSRAM
- mainframes
- multimedia computers
- networking
- personal computers
- servers
- supercomputers
- telecommunications
- workstations,
- DVD disk buffer
AT29C257-70JI FAQ
Can I request a quote for AT29C257-70JI?
AT29C257-70JI from Microchip is ready for RFQ submission. Send your target quantity and requirements, and AIChipLink will check current availability, lead time, and quantity-based pricing.
Why is pricing not shown as a fixed value for AT29C257-70JI?
The final price for AT29C257-70JI depends on requested quantity, supply conditions, date code, package option, and destination. An RFQ lets us return the current market quote for your order.
Which specifications should I review for AT29C257-70JI?
AT29C257-70JI is a Microchip Memory part. Key details include Packaging: Tube and Moisture Sensitivity Level (MSL): 2 (1 Year) and Write Cycle Time - Word, Page: 10ms; contact us if you need the specifications verified before sourcing.
When will I receive a quotation for AT29C257-70JI?
After you submit the RFQ for AT29C257-70JI, our sales team typically replies within 24 hours with availability, unit pricing, lead time, shipping choices, and possible substitutes.
What is the expected shipping time for AT29C257-70JI?
Once stock for AT29C257-70JI is confirmed, available inventory can generally ship within 1–2 business days. The final schedule depends on quantity, warehouse source, and delivery address.
Can AIChipLink help find alternatives to AT29C257-70JI?
Yes. If AT29C257-70JI is unavailable, end-of-life, or outside your schedule, we can review comparable Microchip Memory parts and compatible replacement options.
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