Datasheet > BR25H320FVT-5AC

BR25H320FVT-5AC

更新时间： 2023-09-03 20:24:58

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
44页	1717K
描述
BR25H320FVT-5AC是一款支持SPI BUS接口的串行EEPROM。

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BR25H320FVT-5AC 数据手册

Datasheet

Serial EEPROM Series for Automotive EEPROM

125 °C Operation SPI BUS EEPROM

for Automotive

BR25H320xxx-5AC Series

General Description

BR25H320xxx-5AC Series is a 32 Kbit serial EEPROM of SPI

BUS Interface.

Key Specifications

◼

Supply Voltage:

1.7 V to 5.5 V

Ambient Operating Temperature: -40 °C to +125 °C

Clock Frequency:

Write Time:

20 MHz (Max)

3.5 ms (Max)

Features

AEC-Q100 Qualified^{(Note 1)}

Functional Safety Supportive Automotive Products

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

Page Size: 32 Byte

Write Cycles:

◼

4 Million Times (Ta = 25 °C)

1.2 Million Times (Ta = 85 °C)

0.5 Million Times (Ta = 105 °C)

0.3 Million Times (Ta = 125 °C)

Bit Format: 4096 x 8 bit

◼

Data Retention:

32 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

100 Years (Ta = 25 °C)

60 Years (Ta = 105 °C)

50 Years (Ta = 125 °C)

Packages

SOP8

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

5.0 mm x 6.2 mm x 1.71 mm

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

◼

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

SOP-J8

TSSOP-B8

MSOP8

VSON008X2030

◼

Memory Array: FFh

ID Page First 3 Addresses: 2Fh, 00h, 0Ch

Other Addresses: FFh

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

Lock Status

(Note 1) Grade 1

LS: 0

Applications

SOP8

SOP-J8

MSOP8

◼

Airbag

ABS

ECU

Typical Application Circuit

VSON008X2030

V_CC

0.1 μF

TSSOP-B8

VCC

HOLDB

SCK

CSB

Micro-

controller

Micro-

controller

WPB

GND

Figure 2

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

TSZ02201-0G1G0G100600-1-2

05.Jan.2022 Rev.002

1/41

12 3 4 5 6 7...44

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