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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5

产品

状态

CAD Models

Compliance

Package Type

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)

Vio Ref (V)

Istandby Max (µA)

Iact Max (mA)

T Min (°C)

T Max (°C)

Endurance (Write cycles)

Specific Features

Reference Price

CAT25256HU4I-GT3

Active

CAD Model

Pb

A

H

P

UDFN-8

1

260

REEL

3000

N

Serial

256 kb

32k x 8

SPI

10000

40

1.8

5.5

-

3

2

-40

125

-

-

$0.4351

More Details

CAT25256VI-GT3

Active

CAD Model

Pb

A

H

P

SOIC-8

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

CAT25256XE-T2

Active

CAD Model

Pb

A

H

P

SOIC-8

3

260

REEL

2000

N

Serial

256 kb

32k x 8

SPI

10000

40

1.8

5.5

-

3

2

-40

125

-

-

$1.692

More Details

CAT25256XI-T2

Active

CAD Model

Pb

A

H

P

SOIC-8

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

Active

CAD Model

Pb

A

H

P

TSSOP-8

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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