Datasheet > BR25G256FVT-5A (新产品)

BR25G256FVT-5A (新产品)

更新时间： 2024-12-01 11:08:15

品牌	Logo	应用领域
罗姆 - ROHM		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
页数	文件大小	规格书
42页	1898K
描述
BR25G256FVT-5A is a 256 Kbit serial EEPROM of SPI BUS Interface.

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Datasheet

Serial EEPROM Series Standard EEPROM

SPI BUS EEPROM

BR25G256xxx-5A Series

General Description

BR25G256xxx-5A Series is a 256 Kbit serial EEPROM of SPI

BUS Interface.

Key Specifications

◼

Supply Voltage:

1.6 V to 5.5 V

Ambient Operating Temperature: -40 °C to +85 °C

Clock Frequency:

Write Time:

20 MHz (Max)

3.5 ms (Max)

Features

Write Cycles:

◼

SPI BUS Mode (CPOL, CPHA) = (0, 0), (1, 1)

Page Size: 64 Byte

Bit Format: 32768 x 8 bit

64 Byte Write Lockable Identification Page (ID Page)

Address Auto Increment Function at Read Operation

Auto Erase and Auto End Function at Data Rewrite

Write Protect Block Setting by Software

Memory Array 1/4, 1/2, Whole

4 Million Times (Ta = 25 °C)

200 Years (Ta = 55 °C)

◼

Data Retention:

Packages

W (Typ) x D (Typ) x H (Max)

4.9 mm x 6.0 mm x 1.65 mm

3.0 mm x 6.4 mm x 1.2 mm

2.9 mm x 4.0 mm x 0.9 mm

2.0 mm x 3.0 mm x 0.6 mm

SOP-J8

TSSOP-B8

MSOP8

VSON008X2030

◼

HOLD Function by the HOLDB Pin

Prevention of Write Mistake

Write Prohibition at Power On

Write Prohibition by the WPB Pin

Write Prohibition Block Setting

Prevention of Write Mistake at Low Voltage

Data at Shipment

◼

Memory Array: FFh

ID Page

Status Register WPEN, BP1, BP0: 0, 0, 0

Lock Status LS: 0

: FFh

MSOP8

SOP-J8

Applications

◼

Ordinary Electronic Equipment (such as AV Equipment,

OA Equipment, Telecommunication Equipment, Home

Electronic Appliances, Amusement Equipment, etc.).

TSSOP-B8

VSON008X2030

Typical Application Circuit

Figure 2

V_CC

0.1 μF

VCC

HOLDB

SCK

CSB

Micro-

controller

Micro-

controller

WPB

GND

Figure 1. Typical Application Circuit

〇Product structure : Silicon integrated circuit 〇This product has no designed protection against radioactive rays.

www.rohm.com

TSZ22111 • 14 • 001

TSZ02201-0G2G0G101010-1-2

02.Jun.2022 Rev.001

1/39

12 3 4 5 6 7...42

中文翻译

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