M27C256B-70XF1 The STMicroelectronics M27C256B-70XF1 is a 256Kbit EPROM memory IC with a parallel interface. It features a 70ns access time and operates within a 4.75V to 5.25V supply range.
Mfr Part #:

M27C256B-70XF1

Available from 2 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics M27C256B-70XF1 is a 256Kbit EPROM memory IC with a parallel interface. It features a 70ns access time and operates within a 4.75V to 5.25V supply range.
✓ Total Stock: 2,381 pcs
$ Price Range: $1.28

M27C256B-70XF1 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
2,356 pcs
2356 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
25 pcs
25 pcs On Request 1 On Request On Request On Request On Request On Request

M27C256B-70XF1 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Access Time
Memory Format
Memory Interface
Memory Organization
Memory Size
Memory Type
Mounting Type
Operating Temperature
Supplier Device Package
Technology
Voltage

M27C256B-70XF1 Description

Short technical summary and product information.

The STMicroelectronics M27C256B-70XF1 is a 256Kbit Electrically Programmable Read-Only Memory (EPROM) designed for non-volatile data storage. This component utilizes a parallel interface for data access and boasts a fast access time of 70 ns, making it suitable for various applications requiring quick data retrieval.

 

Operating within a supply voltage range of 4.75V to 5.25V, the M27C256B-70XF1 is designed for compatibility with standard logic levels. Its operating temperature range is specified from 0°C to 70°C (TA), ensuring reliable performance in typical environmental conditions. The memory organization is 32K x 8 bits, providing a total capacity of 256Kbit.

 

This EPROM is housed in a 28-CDIP (Ceramic Dual In-line Package) with a window, measuring 0.600 inches (15.24mm) wide. The mounting type is through-hole, facilitating easy integration into printed circuit boards. The UV erasable technology allows for reprogramming, offering flexibility in development and field updates. The device is RoHS3 compliant, indicating adherence to environmental regulations regarding hazardous substances.

M27C256B-70XF1 Quick Information

Product Type: EPROM Memory
Canonical Name: STMicroelectronics M27C256B-70XF1 EPROM Memory
Subcategory: Non-Volatile Memory

M27C256B-70XF1 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

M27C256B-70XF1 Estimated Pricing

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1+ $1.28 $1.28

Estimated market price range - modelled values for guidance only, not live distributor offers.

M27C256B-70XF1 Features

  • 256Kbit EPROM non-volatile memory.
  • Fast 70ns access time.
  • Parallel interface for data access.
  • Operates from 4.75V to 5.25V.
  • Through-hole 28-CDIP package.

M27C256B-70XF1 Applications

  • Stores firmware in microprocessor-based systems.
  • Provides boot code for embedded controllers.
  • Used in parallel memory bus designs.
  • Suitable for development and prototyping of EPROM programmers.
  • Can replace older UV EPROMs in existing sockets.

M27C256B-70XF1 FAQs

7 frequently asked questions generated from this part’s specifications.
What type of memory is the M27C256B-70XF1?

Non-volatile UV EPROM.

What memory size and organization does it have?

256Kbit organized as 32K x 8.

What is the access time?

70 ns.

What supply voltage does it require?

4.75V to 5.25V.

What is the operating temperature range?

0°C to 70°C.

What package is it available in?

28-CDIP window, through hole.

What memory interface does it use?

Parallel.

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