Datasheet > 存储 > SRAM> CY14ME064J2A-SXI

CY14ME064J2A-SXI

更新时间： 2024-11-18 12:22:51

品牌	Logo	应用领域
赛普拉斯 - CYPRESS		静态存储器
页数	文件大小	规格书
28页	1034K
描述
64-Kbit (8 K Ã 8) Serial (I2C) nvSRAM

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中文翻译

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数据手册
替代型号

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CY14ME064J2A-SXI 数据手册

CY14MB064J1A/CY14MB064J2A

CY14ME064J1A/CY14ME064J2A

PRELIMINARY

64-Kbit (8 K × 8) Serial (I²C) nvSRAM

64-Kbit (8

K × 8) Serial (I²C) nvSRAM

■ Industry standard configurations

❐ Operating voltages:

• CY14MB064J: V_CC= 2.7 V to 3.6 V

• CY14ME064J: V_CC= 4.5 V to 5.5 V

❐ Industrial temperature

Features

■ 64-Kbit nonvolatile static random access memory (nvSRAM)

❐ Internally organized as 8 K × 8

❐ STORE to QuantumTrap nonvolatile elements initiated

automatically on power-down (AutoStore) or by using I²C

command (Software STORE)

❐ 8-pin small outline integrated circuit (SOIC) package

❐ Restriction of hazardous substances (RoHS) compliant

❐ RECALL to SRAM initiated on power-up (Power-Up

RECALL) or by I²C command (Software RECALL)

Overview

❐ Automatic STORE on power-down with a small capacitor

(except for CY14MX064J1A)

The Cypress CY14MX064J combines a 64-Kbit nvSRAM^[1]with

a nonvolatile element in each memory cell. The memory is

organized as 8 K words of 8 bits each. The embedded

nonvolatile elements incorporate the QuantumTrap technology,

creating the world’s most reliable nonvolatile memory. The

SRAM provides infinite read and write cycles, while the

QuantumTrap cells provide highly reliable nonvolatile storage of

data. Data transfers from SRAM to the nonvolatile elements

(STORE operation) takes place automatically at power-down

(except for CY14MX064J1A). On power-up, data is restored to

the SRAM from the nonvolatile memory (RECALL operation).

The STORE and RECALL operations can also be initiated by the

user through I²C commands.

■ High reliability

❐ Infinite read, write, and RECALL cycles

❐ 1 million STORE cycles to QuantumTrap

❐ Data retention: 20 years at 85 C

■ High speed I²C interface

❐ Industry standard 100 kHz and 400 kHz speed

❐ Fast-mode Plus: 1 MHz speed

❐ High speed: 3.4 MHz

❐ Zero cycle delay reads and writes

■ Write protection

❐ Hardware protection using Write Protect (WP) pin

❐ Software block protection for 1/4, 1/2, or entire array

■ I²C access to special functions

❐ Nonvolatile STORE/RECALL

❐ 8 byte serial number

❐ Manufacturer ID and Product ID

❐ Sleep mode

Configuration

Feature

AutoStore

Software STORE

CY14MX064J1A

CY14MX064J2A

Yes

A2, A1

Slave Address pins

A2, A1, A0

■ Low power consumption

❐ Average active current of 1 mA at 3.4 MHz operation

❐ Average standby mode current of 120 µA

❐ Sleep mode current of 8 µA

Logic Block Diagram

Serial Number

8 x 8

V_CCV_CAP

Manufacturer ID /

Product ID

Power Control

Block

Memory Control Register

Command Register

Quantum Trap

8 K x 8

Sleep

STORE

SRAM

8 K x 8

Control Registers Slave

Memory Slave

SDA

SCL

A2, A1, A0

I²C Control Logic

Slave Address

Decoder

Memory

Address and Data

Control

RECALL

Note

1. Serial (I C) nvSRAM is referred to as nvSRAM throughout the datasheet.

Cypress Semiconductor Corporation

Document Number: 001-70393 Rev. *E

•

198 Champion Court

•

San Jose, CA 95134-1709

•

408-943-2600

Revised August 3, 2012

12 3 4 5 6 7...28

中文翻译

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CY14ME064J2A-SXI 替代型号

型号	品牌	替代类型	描述	数据表
CY14ME064Q2B-SXI	CYPRESS	完全替代	64-Kbit (8 K x 8) SPI nvSRAM
CY14ME064J1A-SXI	CYPRESS	完全替代	64-Kbit (8 K Ã 8) Serial (I2C) nvSRAM
CY14ME064J2-SXI	CYPRESS	完全替代	64-Kbit (8 K x 8) Serial (I2C) nvSRAM Nonvolatile STORE/RECALL

与CY14ME064J2A-SXI相关器件

型号	品牌	获取价格	描述	数据表
CY14ME064J2A-SXIT	CYPRESS	获取价格	64-Kbit (8 K Ã 8) Serial (I2C) nvSRAM
CY14ME064J2-SXI	CYPRESS	获取价格	64-Kbit (8 K x 8) Serial (I2C) nvSRAM Nonvolatile STORE/RECALL
CY14ME064J2-SXIT	CYPRESS	获取价格	64-Kbit (8 K x 8) Serial (I2C) nvSRAM Nonvolatile STORE/RECALL
CY14ME064J2-SXQ	INFINEON	获取价格	nvSRAM (non-volatile SRAM)
CY14ME064J2-SXQT	INFINEON	获取价格	nvSRAM (non-volatile SRAM)
CY14ME064Q	CYPRESS	获取价格	64-Kbit (8 K x 8) SPI nvSRAM Infinite read, write, and RECALL cycles
CY14ME064Q1B	CYPRESS	获取价格	64-Kbit (8 K x 8) SPI nvSRAM
CY14ME064Q1B-SXI	CYPRESS	获取价格	64-Kbit (8 K Ã 8) SPI nvSRAM
CY14ME064Q1B-SXIT	CYPRESS	获取价格	64-Kbit (8 K Ã 8) SPI nvSRAM
CY14ME064Q2A-SXI	CYPRESS	获取价格	64-Kbit (8 K x 8) SPI nvSRAM Infinite read, write, and RECALL cycles

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