BR25H640F-2LB(H2)中文资料125℃工作 SPI BUS 64kbit (8192x8bit) EEPROM数据手册ROHM规格书

描述 Description

本产品是面向工业设备市场的产品，保证可长期稳定供货。 是适合这些用途的产品。

BR25H640F-2LB是SPI BUS接口方式的串行EEPROM。

特性 Features

· Long time support a product for Industrial applications.
· High speed clock action up to 10MHz (Max.)
· Wait function by HOLDB terminal.
· Part or whole of memory arrays settable as read only
memory area by program.
· 2.5V to 5.5V single power source action most
suitable
for battery use.
· Page write mode useful for initial value write at
factory shipment.
· For SPI bus interface (CPOL, CPHA)=(0, 0), (1, 1)
· Self-timed programming cycle.
· Low Supply Current
At write operation (5V) : 1.1mA (Typ.)
At read operation (5V) : 1.0mA (Typ.)
At standby operation (5V): 0.1µA (Typ.)
· Address auto increment function at read operation
· Prevention of write mistake
Write prohibition at power on.
Write prohibition by command code (WRDI).
Write prohibition by WPB pin.
Write prohibition block setting by status registers
(BP1, BP0).
Prevention of write mistake at low voltage.
· Initial delivery state: FFh, status register
WPEN, BP1, BP0 : 0
· More than 100 years data retention.
· More than 1 million write cycles.