MCP7940M-I/P,实时时钟 I2C RTCC 64B SRAM No VBAT
MCP7940M-I/SN,实时时钟 I2C RTCC 64B SRAM No VBAT
MCP7940M-I/ST,实时时钟 I2C RTCC 64B SRAM No VBAT
MCP7940MT-I/MNY,实时时钟 I2C RTCC 64B SRAM No VBAT
MCP7940MT-I/MS,实时时钟 I2C RTCC 64B SRAM No VBAT
MCP7940MT-I/SN,实时时钟 I2C RTCC 64B SRAM No VBAT
MCP7940MT-I/ST,实时时钟 I2C RTCC 64B SRAM No VBAT
MCP7940MT-I/STVAO,IC RTC CLK/CALENDAR I2C 8TSSOP
