M48T02-200PC1集成电路（IC）的实时时钟规格书PDF中文资料

M48T02-200PC1属于集成电路（IC）的实时时钟。由意法半导体集团制造生产的M48T02-200PC1实时时钟实时时钟 (RTC) 为几乎所有需要保持精确时间的电子设备提供时间和/或日期信息。时钟类型有二进制计数器、时钟/日历/监控器、历时计时器、幻时钟芯片、便携式系统控制器、温度记录器、时间事件记录器和计时器时钟外设。其包含 2 B 至 2 MB 不等的存储器，接口选项有 I2C、并行、串行、SPI、1 线式、2 线式、3 线式和 4 线式。

DESCRIPTION

The M48T02,12 TIMEKEEPER RAM is a 2K x 8 non-volatile static RAM and real time clock which is pin and functional compatible with the MK48T02,12.

■ INTEGRATED ULTRA LOW POWER SRAM,

REAL TIME CLOCK and POWER-FAIL

CONTROL CIRCUIT

■ BYTEWIDE RAM-LIKE CLOCK ACCESS

■ BCD CODED YEAR, MONTH, DAY, DATE,

HOURS, MINUTES and SECONDS

■ CLOCK ACCURACY of ± 1 MINUTE a

MONTH, @ 25°C

■ SOFTWARE CONTROLLED CLOCK

CALIBRATION for HIGH ACCURACY

APPLICATIONS

■ AUTOMATICPOWER-FAILCHIPDESELECTand

WRITE PROTECTION

■ CHOICE of TWO WRITE PROTECT

VOLTAGES:

– M48T02: 4.5V ≤ VPFD ≤ 4.75V

– M48T12: 4.2V ≤ VPFD ≤ 4.5V

■ SELF CONTAINED BATTERY and CRYSTAL

in the CAPHAT DIP PACKAGE

■ 10 YEARS of DATA RETENTION and CLOCK

OPERATION in the ABSENCE of POWER

■ PIN and FUNCTION COMPATIBLE with

JEDEC STANDARD 2K x 8 SRAMs