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AT27C040-70JU The Microchip Technology AT27C040-70JU is a 4Mbit One-Time Programmable (OTP) EPROM with a 70ns access time. It operates from a 5V supply and comes in a 32-PLCC package.
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AT27C040-70JU

Available from 4 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip Technology AT27C040-70JU is a 4Mbit One-Time Programmable (OTP) EPROM with a 70ns access time. It operates from a 5V supply and comes in a 32-PLCC package.
✓ Total Stock: 5,176 pcs
$ Price Range: $1.28

AT27C040-70JU Available from 4 distributors

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AT27C040-70JU Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Access Time
ESD Protection
Lead Style
Memory Format
Memory Interface
Memory Organization
Memory Size
Memory Type
Mounting Type
Operating Temperature
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AT27C040-70JU Description

Short technical summary and product information.

The AT27C040-70JU from Microchip Technology is a high-performance, low-power 4,194,304-bit OTP EPROM. It is organized as 512K words by 8 bits, providing a total memory capacity of 4Mbit. This device features a fast read access time of 70ns, making it suitable for high-speed microprocessor systems without the need for wait states.

 

Designed for reliability and efficiency, the AT27C040-70JU operates with a single 5V power supply. It consumes low power, with a maximum standby current of 100μA and a typical active current of 8mA at 5MHz. The device supports CMOS and TTL-compatible inputs and outputs. It is available in a JEDEC standard 32-lead PLCC package, suitable for surface mounting.

 

Key features include a rapid programming algorithm for efficient data loading, with a typical programming time of 100μs per byte. It also offers 2000V ESD protection and 200mA latchup immunity, ensuring robust operation. The industrial temperature range of -40°C to 85°C makes it suitable for demanding environments.

AT27C040-70JU Quick Information

Product Type: EPROM
Series: AT27C040
Canonical Name: AT27C040-70JU 4Mbit Parallel OTP EPROM
Subcategory: EPROM

AT27C040-70JU Compliance

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

AT27C040-70JU Estimated Pricing

Qty Low High
1+ $1.28 $1.28

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

AT27C040-70JU Features

  • 4Mbit OTP EPROM memory.
  • Fast 70ns access time.
  • Low-power CMOS operation.
  • Operates from a 5V supply.
  • 32-lead PLCC surface mount package.

AT27C040-70JU Applications

  • Firmware storage for embedded systems.
  • Boot code memory for microprocessors.
  • Configuration data in industrial equipment.
  • Program memory for high-speed digital systems.
  • Code storage in automotive electronics.

AT27C040-70JU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the AT27C040-70JU?

4.5V to 5.5V with a nominal 5V.

What package does the AT27C040-70JU come in?

32-PLCC (Plastic Leaded Chip Carrier) surface mount package.

What is the operating temperature range?

-40°C to 85°C.

What is the access time of the AT27C040-70JU?

70 ns maximum.

What is the memory size of the AT27C040-70JU?

4 Mbit (512K x 8).

What programming voltage is required?

13 V.

What is the active supply current?

30 mA maximum at 5MHz.

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