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AT27C256R-12JC AT27C256R-12JC is a 256Kbit one-time programmable EPROM with parallel interface, featuring 120ns access time and surface mount 32-PLCC package.
Mfr Part #:

AT27C256R-12JC

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
AT27C256R-12JC is a 256Kbit one-time programmable EPROM with parallel interface, featuring 120ns access time and surface mount 32-PLCC package.
✓ Total Stock: 134 pcs
$ Price Range: $1.28

AT27C256R-12JC Available from 1 distributor

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✓ Non-Authorised
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Hybrid Electronics ✓
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134 pcs
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AT27C256R-12JC Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Access Time
Lead Style
Memory Format
Memory Interface
Memory Organization
Memory Size
Memory Type
Mounting Type
Operating Temperature
Supplier Device Package
Technology
Voltage
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AT27C256R-12JC Description

Short technical summary and product information.

The AT27C256R-12JC is a 256Kbit (32K x 8) one-time programmable EPROM (Erasable Programmable Read-Only Memory) manufactured by Microchip Technology. It utilizes a parallel interface for data transfer and offers an access time of 120ns, making it suitable for high-speed memory reads in embedded systems.

 

The device operates from a single 4.5V to5.5V power supply and is specified for the commercial temperature range of 0°C to 70°C. It is housed in a 32-pin PLCC (Plastic Leaded Chip Carrier) package with J-lead terminations, designed for surface mount assembly. The SO package footprint is13.97mm x11.43mm.

 

As an OTP EPROM, the memory is programmed once by the user and cannot be erased or reprogrammed,providing a cost-effective non-volatile solution for code storage in prototype or low-volume production runs.

AT27C256R-12JC Quick Information

Product Type: EPROM (One-Time Programmable)
Canonical Name: Microchip Technology AT27C256R-12JC 256Kbit Parallel EPROM
Subcategory: Memory

AT27C256R-12JC Compliance

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

AT27C256R-12JC Estimated Pricing

Qty Low High
1+ $1.28 $1.28

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

AT27C256R-12JC Features

  • 256Kbit (32K x 8) parallel EPROM.
  • 120 ns fast access time.
  • One-time programmable non-volatile memory.
  • Surface mount 32-PLCC package.
  • Operating voltage 4.5V to5.5V.

AT27C256R-12JC Applications

  • Firmware storage in embedded systems.
  • Boot code memory for microprocessor systems.
  • Constant data storage in industrial controllers.
  • One-time programmable code storage applications.

AT27C256R-12JC FAQs

6 frequently asked questions generated from this part’s specifications.
What is the supply voltage for the AT27C256R-12JC?

4.5V to 5.5V.

What is the operating temperature range?

0°C to 70°C.

What package does the AT27C256R-12JC come in?

32-PLCC (13.97x11.43 mm) with J-leads.

What type of memory is the AT27C256R-12JC?

EPROM - OTP (one-time programmable), non-volatile.

What is the access time of the AT27C256R-12JC?

120 ns.

What is the memory size and organization?

256 Kbit, organized as 32K x 8.

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