EEPROM Memory | CAT34C02

DDR2 DIMM 用の EEPROM シリアル 2-Kb SPD

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Overview

CAT34C02 は DDR2 DIMM 用 EEPROM シリアル 2-Kb SPD で、内部編成は、1 ページあたり 16 バイトの 16 ページ、全体で 1 バイトあたり 8 ビットの 256 バイトです。16 バイトのページ書き込みバッファを備え、Standard (100 kHz) と Fast (400 kHz) の両方の I2C プロトコルをサポートしています。書き込み動作を禁止するには、WP ピンを High にするか (これでメモリ全体が保護されます)、またはソフトウェア・コマンドで内部書き込み保護フラグを設定します (これでメモリの下半分が保護されます)。ソフトウェアの永久書き込み保護に加えて、CAT34C02 は、1.7 V ～ 3.6 V の電源電圧範囲で動作する DDR2 シリアル・プレゼンス検出 (SPD) アプリケーション用に JEDEC 互換可逆的ソフトウェア書き込み保護も備えています。CAT34C02 は、1.7 V ～ 5.5 V の電源電圧範囲で動作する従来の DDR1 SPD アプリケーションとの完全な下位互換性を持ちます。

  • Disk drives
  • Modems
  • Supports Standard and Fast I2C Protocol
  • 1.7 V to 5.5 V Supply Voltage Range
  • 16-Byte Page Write Buffer
  • Hardware Write Protection for Entire Memory
  • Software Write Protection for Lower 128 Bytes
  • Schmitt Triggers and Noise Suppression Filters on I2C Bus Inputs (SCL and SDA)
  • Low Power CMOS Technology
  • 1,000,000 Program/Erase Cycles
  • 100 Year Data Retention
  • Industrial Temperature Range
  • This Device is Pb-Free, Halogen Free/BFR Free and RoHS Compliant

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Reference Price

CAT34C02HU4IGT4A

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Active

CAD Model

Pb

A

H

P

UDFN-8

517AZ

1

260

REEL

4000

N

Serial

2 kb

256 x 8

I2C

400

900

1.7

5.5

1

1

-40

85

$0.1996

More Details

CAT34C02VP2IGT4A

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Active

CAD Model

Pb

A

H

P

TDFN-8

511AK

1

260

REEL

4000

N

Serial

2 kb

256 x 8

I2C

400

900

1.7

5.5

1

1

-40

85

$0.2311

More Details

CAT34C02YI-GT5A

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Active

CAD Model

Pb

A

H

P

TSSOP-8

948AL

1

260

REEL

5000

N

Serial

2 kb

256 x 8

I2C

400

900

1.7

5.5

1

1

-40

85

$0.192

More Details

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