Datasheet > CAT25C02S-1.8

CAT25C02S-1.8

更新时间： 2023-08-15 00:00:00

品牌	Logo	应用领域
罗彻斯特 - ROCHESTER		可编程只读存储器电动程控只读存储器电可擦编程只读存储器光电二极管
页数	文件大小	规格书
12页	80K
描述
EEPROM, 256X8, Serial, CMOS, PDSO8, SOIC-8

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数据手册

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CAT25C02S-1.8 数据手册

CAT25C01/02/04/08/16

FUNCTIONAL DESCRIPTION

PIN DESCRIPTION

The CAT25C01/02/04/08/16 supports the SPI bus data

transmission protocol. The synchronous Serial Periph-

eral Interface (SPI) helps the CAT25C01/02/04/08/16 to

interface directly with many of today’s popular

microcontrollers. The CAT25C01/02/04/08/16 contains

an8-bitinstructionregister. (Theinstructionset andthe

operation codes are detailed in the instruction set table)

SI: Serial Input

SI is the serial data input pin. This pin is used to input all

opcodes, byte addresses, and data to be written to the

25C01/02/04/08/16. Input data is latched on the rising

edge of the serial clock for SPI modes (0, 0 & 1, 1).

SO: Serial Output

SO is the serial data output pin. This pin is used to

transfer data out of the 25C01/02/04/08/16. During a

read cycle, data is shifted out on the falling edge of the

serial clock for SPI modes (0,0 & 1,1).

After the device is selected with CS going low, the first

byte will be received. The part is accessed via the SI pin,

with data being clocked in on the rising edge of SCK.

Thefirstbytecontainsoneofthesixop-codesthatdefine

the operation to be performed.

SCK: Serial Clock

SCK is the serial clock pin. This pin is used to synchro-

nize the communication between the microcontroller

Figure 1. Sychronous Data Timing

V_IH

V_IL

CSH

CSS

V_IH

V_IL

SCK

V_IH

VALID IN

DIS

V_OH

V_OL

HI-Z

Note: Dashed Line= mode (1, 1) – – – – –

INSTRUCTION SET

Instruction

WREN

WRDI

Opcode

Operation

0000 0110

0000 0100

0000 0101

0000 0001

0000 X011

0000 X010

Enable Write Operations

Disable Write Operations

Read Status Register

Write Status Register

Read Data from Memory

Write Data to Memory

RDSR

WRSR

READ

(1)

WRITE

(2)(3)

Power-Up Timing

Symbol

t_PUR

Parameter

Max.

Units

Power-up to Read Operation

Power-up to Write Operation

t_PUW

Note:

(1) X=0 for 25C01, 25C02, 25C08, 25C16. X=A8 for 25C04

(2) This parameter is tested initially and after a design or process change that affects the parameter.

(3) t

and t

are the delays required from the time V is stable until the specified operation can be initiated.

PUR

PUW

Doc. No. 1016, Rev. N

1 2 345 6 7...12

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与CAT25C02S-1.8相关器件

型号	品牌	获取价格	描述	数据表
CAT25C02S-1.8TE13	CATALYST	获取价格	1K/2K/4K/8K/16K SPI Serial CMOS E2PROM
CAT25C02S16	ETC	获取价格	SPI Serial EEPROM
CAT25C02S16-1.8	ETC	获取价格	SPI Serial EEPROM
CAT25C02S16-1.8TE13	ETC	获取价格	SPI Serial EEPROM
CAT25C02S16A	ETC	获取价格	SPI Serial EEPROM
CAT25C02S16A-1.8	ETC	获取价格	SPI Serial EEPROM
CAT25C02S16A-1.8TE13	ETC	获取价格	SPI Serial EEPROM
CAT25C02S16A-TE13	ETC	获取价格	SPI Serial EEPROM
CAT25C02S16I	ETC	获取价格	SPI Serial EEPROM
CAT25C02S16I-1.8	ETC	获取价格	SPI Serial EEPROM

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