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AT27C512R-45RU The Microchip Technology AT27C512R-45RU is a 512Kbit, parallel interface, One-Time Programmable (OTP) EPROM. It features a fast 45ns access time and operates from a single 5V supply.
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AT27C512R-45RU

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip Technology AT27C512R-45RU is a 512Kbit, parallel interface, One-Time Programmable (OTP) EPROM. It features a fast 45ns access time and operates from a single 5V supply.
✓ Total Stock: 32,873 pcs
$ Price Range: $1.28

AT27C512R-45RU Available from 1 distributor

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✓ Non-Authorised
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Romaks Technologies ✓
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32,873 pcs
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AT27C512R-45RU Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Access Time
ESD Protection
Memory Format
Memory Interface
Memory Organization
Memory Size
Memory Type
Mounting Type
Operating Temperature
Supplier Device Package
Supplier Package
Technology
Voltage
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AT27C512R-45RU Description

Short technical summary and product information.

The AT27C512R-45RU from Microchip Technology is a high-performance, low-power 524,288-bit One-Time Programmable (OTP) Read-Only Memory (EPROM). It is organized as 64K words by 8 bits, allowing for efficient storage of firmware and data.

 

This device offers a fast read access time of 45 ns, suitable for high-performance microprocessor systems. It operates from a single 5V ± 10% power supply and consumes minimal power, with a maximum active current of 20 mA at 5 MHz and a standby current of 100 µA maximum.

 

The AT27C512R-45RU is available in a JEDEC-standard 28-lead SOIC package, designed for surface mounting. It features CMOS and TTL compatible inputs and outputs, along with two-line control (CE, OE) for flexibility in bus contention management. The device also includes high-reliability CMOS technology with 2,000V ESD protection and 200 mA latchup immunity. A rapid programming algorithm is supported, with typical programming times of 100 µs per byte.

AT27C512R-45RU Quick Information

Product Type: OTP EPROM
Canonical Name: AT27C512R-45RU OTP EPROM
Subcategory: OTP EPROM

AT27C512R-45RU Compliance

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

AT27C512R-45RU Estimated Pricing

Qty Low High
1+ $1.28 $1.28

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

AT27C512R-45RU Features

  • Fast 45 ns read access time.
  • Low-power CMOS operation.
  • 512Kbit memory size, 64K x 8 organization.
  • Operates from a single 5V supply.
  • Available in 28-SOIC surface mount package.

AT27C512R-45RU Applications

  • Suitable for firmware storage.
  • Ideal for high-performance systems.
  • Supports industrial temperature range.
  • Supports automotive temperature range.

AT27C512R-45RU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the supply voltage for the AT27C512R-45RU?

The nominal supply voltage is 5V with a tolerance of ±10% (4.5V to 5.5V).

What package does the AT27C512R-45RU come in?

It is available in a 28-SOIC (0.342", 8.69mm width) surface mount package.

What is the operating temperature range?

The operating temperature range is -40°C to 85°C (TC).

What is the memory organization of this EPROM?

The memory is organized as 64K x 8 bits (512Kbit total).

What is the typical programming time per byte?

The typical programming time is 100 µs per byte.

What is the maximum standby current?

The maximum standby current is 100 µA.

What is the access time of the AT27C512R-45RU?

The access time is 45 ns.

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