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AT28C256-15PU 256K   32K  x 8  Paged   CMOS   E2PROM
  • AT28C256-15PU
  • AT28C256-15PU
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产品描述

256K 32K x 8 Paged CMOS E2PROM

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  • ECAD Module
  • Memory Size: 256kbit
  • Brand: Atmel
  • Package / Case: DIP-28
  • Interface Type: Parallel
  • Package Type: PDIP
  • Mounting Type: Through Hole
  • Pin Count: 28
  • Organisation: 32K x 8 bit
  • Minimum Operating Supply Voltage: 4.5 V
  • Maximum Operating Supply Voltage: 5.5 V
  • Programming Voltage: 5V
  • Length: 37.34mm
  • Width: 13.97mm
  • Height: 4.83mm
  • Dimensions: 37.34 x 13.97 x 4.83mm
  • Maximum Random Access Time: 150ns
  • Maximum Operating Temperature: +85 °C
  • Minimum Operating Temperature: -40 °C
  • Data Retention: 10yr

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ECAD Module

产品属性

  • Description: The AT28C256-15PU is an electrically erasable programmable read-only memory (EEPROM) from Atmel. It is a 256 Kbit device with a 32 Kbyte storage capacity. Features: - Low power CMOS technology - Single 5V supply - Access time: 150ns - Endurance: 100,000 write/erase cycles - Data retention: 100 years - Fully static operation - Low power consumption - Self-timed write cycle - Hardware write protection - Pin compatible with 28-pin EPROMs Applications: - Automotive - Industrial - Medical - Consumer - Telecommunications - Computer peripherals (For reference only)
  • Description: The AT28C256-15PU is a CMOS 256K bit Electrically Erasable Programmable Read-Only Memory (EEPROM) organized as 32K words by 8 bits. Features: - Low power CMOS technology - Single 5V ±10% supply - Access times: 150ns - Endurance: 100,000 cycles - Data retention: 100 years - Low power CMOS standby current: 10μA (max) - Self-timed write cycle: 10ms (max) - JEDEC approved pinout Applications: - Automotive - Industrial - Consumer - Computer/peripheral - Communications/networking (For reference only)

Features

Fast Read Access Time - 150ns

Automatic Page Write Operation

- Internal Address and Data Latches for 64 Bytes

- Internal Control Timer

Fast Write Cycle Times

- Page Write cycle Time: 3 ms or 10 ms Maximum

- 1 to 64-byte Page write Operation

Low Power Dissipation

- 50mA Active current

- 200μA CMOS Standby current

 Hardware and Software Data Protection

DATA Polling for End of Write Detection

High Reliability CMOS Technology

- Endurance: 104 or 105 cycles

- Data Retention: 10 Years

Single 5V ±10% Supply

CMOS and TTL compatible Inputs and Outputs

JEDEC Approved Byte-wide Pinout

Full Military and Industrial Temperature Ranges

Green (Pb/Halide-free) Packaging Option

 

Description

The AT28C256 is a high-performance electrically erasable and programmable read-only memory. Its 256K of memory is organized as 32,768 words by 8 bits. Manufactured with Atmel's advanced nonvolatile CMOS technology, the device offers access times to 150ns with power dissipation of just 440mW. When the device is deselected,the CMOS standby current is less than 200μA.

The AT28C256 is accessed like a Static RAM for the read or write cycle without the need for external components. The device contains a 64-byte page register to allow writing of up to 64 bytes simultaneously. During a write cycle, the addresses and 1 to 64 bytes of data are internally latched, freeing the address and data bus for other operations. Following the initiation of a write cycle, the device will automatically write the latched data using an internal control timer.The end of a write cycle can be detected by DATA Polling of I/O7.Once the end of a write cycle has been detected a new access for a read or write can begin.

Atmel's AT28C256 has additional features to ensure high quality and manufacturability.The device utilizes internal error correction for extended endurance and improved data retention characteristics.An optional software data protection mechanism is available to guard against inadvertent writes.The device also includes an extra 64 bytes of EEPROM for device identification or tracking.


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  • AT28C256-15PU's pdf picture 1
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来自同一制造商的某些零件号

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AT28C010-15DM/883 5962-3826707MXA
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AT28C010-20DM/883
1 Megabit 128K x 8 Paged CMOS E2PROM

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    Amber Jones

    AT28C256-15PU
    us United States

    Length of registration:7 years

    I recently purchased the AT28C256-15PU integrated circuit from Utsource and I am very pleased with the product. The integrated circuit arrived in perfect condition and was exactly as described. I tested the integrated circuit and it worked flawlessly. I am very impressed with the qu and performance of the AT28C256-15PU. I highly recommend Utsource for all of your integrated circuit needs.

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    03/17/2023

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