EEPROM Memory | CAT25640

EEPROM シリアル 64-Kb SPI

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Overview

CAT25640 は、EEPROM シリアル 64-Kb SPI デバイスで、内部的に 8kx8 ビットで編成されています。64 バイトのページ書き込みバッファを備え、シリアル・ペリフェラル・インタフェース (SPI) プロトコルをサポートします。チップ・セレクト (CS) 入力経由で有効化されます。また、必要なバス信号は、クロック入力 (SCK) ライン、データ入力 (SI) ライン、およびデータ出力 (SO) ラインです。HOLD 入力を使用して、CAT25640 デバイスとのシリアル通信を一時停止できます。このデバイスは、部分的なアレイ保護と完全なアレイ保護を含む、ソフトウェアとハードウェアの書き込み保護を備えています。

  • 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
  • Self-timed Write Cycle
  • Hardware and Software Protection
  • Block Write Protection
    - Protect 1/4, 1/2 or Entire EEPROM Array
  • Low Power CMOS Technology
  • 1,000,000 Program/Erase Cycles
  • 100 Year Data Retention
  • Industrial Temperature Range
  • SOIC, TSSOP 8-lead and UDFN 8-pad Packages
  • This Device is Pb-Free, Halogen Free/BFR Free, and RoHS Compliant

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Type

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Data Transmission Standard

fcycle Max (kHz)

tACC Max ns

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Reference Price

CAT25640HU4I-GT3

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Active

CAD Model

Pb

A

H

P

UDFN-8

517AZ

1

260

REEL

3000

N

Serial

64 kb

8k x 8

SPI

10000

40

1.8

5.5

2

2

-40

85

$0.3863

More Details

CAT25640VI-GT3

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Active

CAD Model

Pb

A

H

P

SOIC-8

751BD

1

260

REEL

3000

N

Serial

64 kb

8k x 8

SPI

10000

40

1.8

5.5

2

2

-40

85

$0.3244

More Details

CAT25640YI-GT3

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Active

CAD Model

Pb

A

H

P

TSSOP-8

948AL

1

260

REEL

3000

N

Serial

64 kb

8k x 8

SPI

10000

40

1.8

5.5

2

2

-40

85

$0.3263

More Details

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