AT29C020-70JU

The AT29C020-70JU device is a NOR Flash memory chip that offers 256K x 8 storage size, operates at 70 nanoseconds, and supports a voltage range of 4
4,602 有效庫存

AT29C020-70JU

有效庫存4,602

The AT29C020-70JU device is a NOR Flash memory chip that offers 256K x 8 storage size, operates at 70 nanoseconds, and supports a voltage range of 4

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AT29C020-70JU 數據表
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AT29C020-70JU 詳細說明

The AT29C020-70JU from Atmel boasts an impressive 2-megabit capacity, making it a versatile choice for data storage needs. With byte-level programming and erasing capabilities, this EEPROM chip offers flexibility for various applications. Its low-power standby mode ensures efficiency by minimizing power consumption when not in use. Additionally, the chip's compact 32-lead PLCC package provides durability and ease of integration into electronic devices. Ideal for embedded systems, telecommunications equipment, and consumer electronics, the AT29C020-70JU delivers high-speed performance and reliable data retention

AT29C020-70JU

主要特徵

  • Fast Read Access Time – 70 ns
  • 5-volt Only Reprogramming
  • Sector Program Operation
  • – Single Cycle Reprogram (Erase and Program)
  • – 1024 Sectors (256 Bytes/Sector)
  • – Internal Address and Data Latches for 256 Bytes
  • Internal Program Control and Timer
  • Hardware and Software Data Protection
  • Two 8K Bytes Boot Blocks with Lockout
  • Fast Sector Program Cycle Time – 10 ms
  • DATAPolling for End of Program Detection
  • Low Power Dissipation
  • – 40 mA Active Current
  • – 300 µA CMOS Standby Current
  • Typical Endurance> 10,000 Cycles
  • Single 5V ±10% Supply
  • CMOS and TTL Compatible Inputs and Outputs
  • Green (Pb/Halide-free) Packaging Option

規格

以下是所選零件的基本參數，涉及零件的特性及其所屬類別。

Product Category ! NOR Flash RoHS Details
Mounting Style SMD/SMT Package / Case PLCC-32
Series AT29C Memory Size ! 2 Mbit
Supply Voltage - Min 4.5 V Supply Voltage - Max 5.5 V
Active Read Current - Max 40 mA Interface Type Parallel
Organization 256 k x 8 Data Bus Width 8 bit
Timing Type Asynchronous Minimum Operating Temperature - 40 C
Maximum Operating Temperature ! + 85 C Architecture Sector
Brand Microchip Technology Memory Type ! NOR
Moisture Sensitive Yes Product Type ! NOR Flash
Speed 70 ns Standard Not Supported
Factory Pack Quantity 32 Subcategory Memory & Data Storage

數據表 PDF

數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。

初步規格 AT29C020-70JU PDF 下載

常見問題解答

What is AT29C020-70JU?

The AT29C020-70JU is a 2-megabit (256K x 8) low-power CMOS flash memory IC manufactured by Atmel, which is now part of Microchip Technology. It is commonly used for storing program and data in embedded systems, consumer electronics, and automotive applications.

How Does AT29C020-70JU Work?

The AT29C020-70JU operates as a non-volatile memory device that can be electrically erased and reprogrammed. It uses a CMOS technology that allows for low power consumption and reliable data retention. The flash memory is organized into multiple blocks and sectors for efficient data storage and retrieval.

How Many Pins does AT29C020-70JU have and What are the Functions of the Pinout Configuration?

The AT29C020-70JU is housed in a 32-lead PLCC (Plastic Leaded Chip Carrier) package. The pinout configuration includes:

  • A0-A16: Address input pins for memory addressing.
  • CE: Chip enable pin for activating the memory device.
  • OE: Output enable pin for controlling data output.
  • WE: Write enable pin for programming data into the memory.
  • VCC, VSS: Power supply and ground pins, respectively.
  • RP, NC, BYTE: Additional control pins for memory operation.
  • DQ0-DQ7: Data input/output pins.

What are the Pros and Cons of AT29C020-70JU?

Pros:

  • Non-Volatile: Retains data even when power is removed, ideal for long-term storage.
  • High Density: Offers 2 megabits of storage capacity for large datasets.
  • Low Power Consumption: Operates with low power requirements for energy-efficient designs.
  • Reliable Operation: Uses CMOS technology for reliable data retention and endurance.
  • Industry Standard: Widely used and compatible with standard memory interfaces.

Cons:

  • Programming Time: Flash memory typically has longer programming times compared to volatile memory types.
  • Endurance Limit: Limited number of erase/write cycles may require careful management in high-write applications.
  • Complex Interface: Requires proper handling of control signals for reliable operation.

Are There Any Equivalents/Alternatives to AT29C020-70JU for Recommendation?

  • An equivalent part to the AT29C020-70JU is the AM29F200BB from AMD.
  • Alternatives to the AT29C020-70JU include the SST39SF020A from Microchip Technology and the M29F200BB from STMicroelectronics.

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