AT27C1024-70JU

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AT27C1024-70JU

IC EPROM 1MBIT PARALLEL 44PLCC

  • Manufacturer
  • Mfr. Part #AT27C1024-70JU
  • Package
  • Datasheet
  • In Stock4765

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Specifications

Part Status Active
DigiKey Programmable Verified
Memory Type Non-Volatile
Memory Format EPROM
Technology EPROM - OTP
Memory Size 1Mbit
Memory Organization 64K x 16
Memory Interface Parallel
Voltage - Supply 4.5V ~ 5.5V
Operating Temperature -40°C ~ 85°C (TC)
Mounting Type Surface Mount
Package / Case 44-LCC (J-Lead)
Supplier Device Package 44-PLCC (16.6x16.6)
Base Product Number AT27C1024
Access Time 70 ns

Overview

Description

The AT27C1024-70JU is a 1 Megabit (128K x 8) EEPROM (Electrically Erasable Programmable Read-Only Memory) manufactured by Microchip Technology. It is designed for applications that require non-volatile data storage, such as embedded systems, firmware storage, and general-purpose memory.
Key features include a 70 ns access time, allowing for fast data retrieval, and a single 5V power supply, which simplifies circuit design. The device uses the standard bipolar technology and supports both byte and word programming modes. It is available in a 32-pin DIP (Dual In-line Package) configuration, making it suitable for various PCB designs.
The AT27C1024-70JU is notable for its reliable data retention, typically exceeding 20 years, and can withstand up to 1,000 write/erase cycles. This makes it ideal for applications where frequent updates and long-term data integrity are critical. Overall, it serves as a versatile solution for memory needs in various electronic devices.

Package

The AT27C1024-70JU is packaged in a 32-pin dual in-line package (DIP).

Pinout

The AT27C1024-70JU is a 1 Megabit (128K x 8) EEPROM with a 32-pin dual in-line package (DIP). Its pin count and functions are as follows:
- Pin Count: 32 pins
- Pin Functions:
- Address Pins (A0 to A16): 17 pins for addressing memory locations.
- Data Pins (D0 to D7): 8 pins for data input and output.
- Chip Enable (CE): Activates the chip for read or programming modes.
- Output Enable (OE): Controls output data; must be low to read data.
- Program Enable (PE): Enables programming mode when low.
- Vcc: Power supply pin (typically +5V).
- GND: Ground pin.
- NC: No connect pins (not used).
The device operates in a standard parallel interface, allowing for easy integration into a variety of electronic systems.

Manufacturer

The AT27C1024-70JU is manufactured by Microchip Technology Inc. Microchip is a leading provider of microcontroller, mixed-signal, analog, and memory semiconductors. The company specializes in embedded control applications and offers a broad range of products, including microcontrollers (MCUs), digital signal controllers (DSCs), and various memory solutions. Founded in 1989 and headquartered in Chandler, Arizona, Microchip serves a diverse set of industries, including automotive, industrial, consumer electronics, and communications. The AT27C1024-70JU is a 1M-bit (128K x 8) EEPROM, known for its reliability and is commonly used in embedded systems for non-volatile data storage.

Application

The AT27C1024-70JU is a 1 Megabit (128K x 8) EPROM used in various applications, including telecommunications, automotive systems, consumer electronics, and industrial control. It's suitable for data storage in systems requiring firmware, configuration data, or code storage due to its non-volatile memory, enabling retention without power. Typical uses include programmable logic devices, embedded systems, and boot ROMs in microcontrollers.

Equivalent

The AT27C1024-70JU is a 1 Mbit EPROM chip. Equivalent products include:
1. AM27C1024-70DC (AMD)
2. M27C1024-70F1 (STMicroelectronics)
3. MBM27C1024-70 (Mitsubishi)
4. W27C1024-70 (Winbond)
These alternatives offer similar specifications in capacity, speed, and pin configuration. Always verify compatibility for specific applications.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

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