AT28HC256E-70PI [Microchip]

Name: AT28HC256E-70PI
Brand: Microchip
SKU: AT28HC256E-70PI
Availability: InStock

Part No:

AT28HC256E-70PI

Category:

EEPROM

Manufacturer:

Microchip

Description:

High-performance 256K electrically erasable and programmable read-only memory (EEPROM) organized as 32,768 words by 8 bits.

Stock Status:

Available for RFQ

Pricing:

Request Volume Pricing

Quote Response:

Within 24 Hours

Shipping:

In-stock parts ship in 1–2 business days

Specification

Type

Parameter

Endurance

10^4 or 10^5 cycles

Data Retention

10 years

Write Cycle Time

3 ms or 10 ms maximum

Input Capacitance

6pF

Output Capacitance

12pF

Supply Voltage

5V ± 10%

Package

TSOP, LCC, PLCC, Cerdip, PDIP, Flatpack, SOIC, PGA

RoHS Status

RoHS Compliant

RoHS Status

Non-RoHS Compliant

Absolute Max Input Voltage

-0.6V ~ +6.25V

Absolute Max Storage Temperature

-65°C ~ +150°C

Absolute Max Temperature Bias Max

+125°C

Absolute Max Temperature Bias Min

-55°C

Active Current

80mA

Operating Temperature Commercial

0°C ~ 70°C

Operating Temperature Industrial

-40°C ~ 85°C

Operating Temperature Military

-55°C ~ 125°C

Read Access Time

70 ns

Standby Current CMOS

300µA

Standby Current TTL

3mA

Write Pulse Width Min

100 ns

Products Detail

The AT28HC256 is a high-performance EEPROM with 256K memory organized as 32,768 words by 8 bits. It offers access times to 70 ns with power dissipation of just 440 mW. The device is accessed like a Static RAM for read or write cycles without external components. It features a 64-byte page register for simultaneous writing of up to 64 bytes. The device includes hardware and software data protection, DATA Polling for end of write detection, and high reliability with endurance of 10^4 or 10^5 cycles and data retention of 10 years. It operates on a single 5V ± 10% supply and is CMOS and TTL compatible. The device is available in multiple package options and supports full military, commercial, and industrial temperature ranges.

Key Features

Fast Read Access Time: 70 ns
Automatic Page Write Operation (64-byte internal latches, internal control timer)
Fast Write Cycle Times (Page Write: 3 ms or 10 ms max, 1 to 64-byte operation)
Low Power Dissipation (80 mA active, 3 mA standby)
Hardware and Software Data Protection
DATA Polling for End of Write Detection
High Reliability CMOS Technology (Endurance: 10^4 or 10^5 cycles, Data Retention: 10 years)
Single 5V ± 10% Supply
CMOS and TTL Compatible I/O
JEDEC Approved Byte-wide Pinout
Full Military, Commercial, Industrial Temperature Ranges
Green (Pb/Halide-free) Packaging Option
Extra 64 bytes EEPROM for device identification

Documents

PCN Packaging:

Transfer to Microchip/Label/Pkg 5/Sep/2016

Product FAQ

1. Is AT28HC256E-70PI available for RFQ?

Yes. AT28HC256E-70PI by Microchip is available for RFQ. Submit your required quantity and our team will confirm real-time stock, lead time, and volume pricing.

2. Why is there no fixed price for AT28HC256E-70PI?

Pricing for AT28HC256E-70PI can vary by order quantity, market availability, date code, packaging, and delivery destination. Request a quote to receive the latest volume pricing.

3. What are the key specifications of AT28HC256E-70PI?

AT28HC256E-70PI is a Microchip EEPROM with Absolute Max Temperature Bias Max: +125°C and Absolute Max Temperature Bias Min: -55°C. Review the product details or submit an RFQ if you need confirmation before purchase.

4. How fast can I get a quote for AT28HC256E-70PI?

Our sales team usually responds within 24 hours after receiving your RFQ. The quote may include stock status, unit price, lead time, shipping options, and available alternatives.

5. How soon can AT28HC256E-70PI be shipped?

If stock is confirmed, in-stock parts can usually ship within 1–2 business days. Final lead time depends on quantity, stock source, and delivery destination.

6. Can you suggest alternatives to AT28HC256E-70PI?

Yes. If AT28HC256E-70PI is unavailable, obsolete, or does not meet your required lead time, we can help check similar Microchip EEPROM parts or compatible alternatives.

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