BR25H040F-5ACE2中文资料罗姆数据手册PDF规格书

General Description

BR25H040xxx-5AC Series is a 4 Kbit serial EEPROM of SPI

BUS Interface.

特性 Features

◼ AEC-Q100 Qualified(Note 1)

◼ Functional Safety Supportive Automotive Products

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

◼ Page Size: 16 Byte

◼ Bit Format: 512 x 8 bit

◼ 16 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

◼ 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 First 3 Addresses: 2Fh, 00h, 09h

Other Addresses: FFh

Status Register BP1, BP0: 0, 0

Lock Status LS: 0

(Note 1) Grade 1

Applications

◼ Airbag

◼ ABS

◼ ECU