EEPROM Memory | CAT25256

EEPROM 串行 256-Kb SPI

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概览

CAT25256 是一款 EEPROM 串行 256-Kb SPI 器件，内部组织为 32kx8 位。它具有 64 字节页写入缓存，支持串行外围接口 (SPI) 协议。该器件通过芯片选择 (CS) 输入启用。另外，所需总线信号为时钟输入 (SCK)、数据输入 (SI) 和数据输出 (SO) 线路。保持输入可用于暂停与 CAT25256 器件的任何串行通信。该器件具有软件和硬件写保护，包括部分和完整阵列保护。片上 ECC（错误修正代码）使得该器件适用于高可靠性应用。可用于新产品（修订版E）。

  • Automotive Systems
  • Communications Systems
  • Computer Systems
  • Consumer Systems
  • Industrial Systems
  • 20 MHz (5 V) SPI Compatible
  • 1.8 V to 5.5 V Supply Voltage Range
  • SPI Modes (0,0) & (1,1)
  • 64-byte Page Write Buffer
  • Additional Identification Page with Permanent Write Protection (New Product)
  • Self-timed Write Cycle
  • Hardware and Software Protection
  • 100 Year Data Retention
  • 1,000,000 Program/Erase Cycles
  • Low Power CMOS Technology
  • Block Write Protection
    - Protect 1/4, 1/2 or Entire EEPROM Array
  • Industrial Temperature Range
  • 8-lead SOIC, TSSOP and 8-pad UDFN Packages
  • This Device is Pb-Free, Halogen Free/BFR Free, and RoHS Compliant

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CAD Models

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Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Type

Density

Organization

Data Transmission Standard

fcycle Max (kHz)

tACC Max ns

VCC Min (V)

VCC Max (V)

Istandby Max (µA)

Iact Max (mA)

T Min (°C)

T Max (°C)

Reference Price

CAT25256HU4I-GT3

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Active

CAD Model

Pb

A

H

P

UDFN-8

517AZ

1

260

REEL

3000

Y

Serial

256 kb

32k x 8

SPI

10000

40

1.8

5.5

3

2

-40

125

$0.4351

More Details

CAT25256VI-GT3

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Active

CAD Model

Pb

A

H

P

SOIC-8

751BD

1

260

REEL

3000

N

Serial

256 kb

32k x 8

SPI

10000

40

1.8

5.5

2

2

-40

85

$0.4093

More Details

CAT25256XI-T2

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Active

CAD Model

Pb

A

H

P

SOIC-8

751BE

3

260

REEL

2000

N

Serial

256 kb

32k x 8

SPI

10000

40

1.8

5.5

2

2

-40

85

$0.5671

More Details

CAT25256YI-GT3

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Active

CAD Model

Pb

A

H

P

TSSOP-8

948AL

1

260

REEL

3000

N

Serial

256 kb

32k x 8

SPI

10000

40

1.8

5.5

2

2

-40

85

$0.5049

More Details

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