BR25G128F-3GE2集成電路（IC）的存儲(chǔ)器規(guī)格書(shū)PDF中文資料

General Description

BR25G128-3 is a 128Kbit Serial EEPROM of SPI BUS Interface.

Features

■ High Speed Clock Action up to 20MHz (Max)

■ Wait Function by HOLDB Terminal

■ Part or Whole of Memory Arrays Settable as

Read only Memory Area by Program

■ 1.6V to 5.5V Single Power Source Operation Most

Suitable for Battery Use.

■ Up to 64 Bytes in Page Write Mode.

■ For SPI Bus Interface (CPOL, CPHA) = (0, 0), (1, 1)

■ Self-timed Programming Cycle

■ Low Current Consumption

? At Write Action (5V) : 0.5mA (Typ)

? At Read Action (5V) : 2.0mA (Typ)

? At Standby Action (5V) : 0.1μA (Typ)

■ Address Auto Increment Function at Read Action

■ 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

■ More than 100 years Data Retention.

■ More than 1 Million Write Cycles.

■ Bit Format 16K× 8

■ Initial Delivery Data

Memory Array: FFh

Status Register: WPEN, BP1, BP0 : 0