
STMICROELECTRONICS
芯片, SRAM, TIMEKEEPER? 64K

LINEAR TECHNOLOGY
芯片

INTERSIL
芯片, CMOS, 可编程内部定时器

STMICROELECTRONICS
芯片, 非易失性存储器 10年内部电池供电 64K

TEXAS INSTRUMENTS
CLOCK BUFFER, 2GHZ, VQFN-28

MAXIM INTEGRATED PRODUCTS
Alarm RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), Multiplexed, 4.5 V to 5.5 V, PLCC-28

MAXIM INTEGRATED PRODUCTS
实时时钟芯片, 时期时间格式 (星期/日/月/年 时:分:秒:百秒), 并行, 4.5V至5.5V, EDIP-28

STMICROELECTRONICS
芯片, SRAM, TIMEKEEPER? 64K

TEXAS INSTRUMENTS
芯片, 时钟缓冲器, LVDS, 2: 8, 28VQFN

STMICROELECTRONICS
芯片, 非易失性存储器, TIMEKEEPER?, 3V, 256K

STMICROELECTRONICS
芯片, 非易失性存储器, TIMEKEEPER?, 5V, 64K

TEXAS INSTRUMENTS
芯片, 时钟缓冲器, 2000MHZ, QFN-28

STMICROELECTRONICS
芯片, SRAM, TIMEKEEPER? 256K

LINEAR TECHNOLOGY
PLL, FREQ SYNTH W/ VCO, 3.74GHZ, QFN-28

STMICROELECTRONICS
芯片, SRAM, 实时时钟, 非易失性, 256K

MAXIM INTEGRATED PRODUCTS
实时时钟芯片, 时期时间格式 (星期/日/月/年 时:分:秒:百秒), 并行, 4.5V至5.5V, EDIP-28

MAXIM INTEGRATED PRODUCTS
实时时钟芯片, 时期时间格式 (星期/日/月/年/世纪 时:分:秒), 字节宽, 3V至3.6V, EDIP-28

MAXIM INTEGRATED PRODUCTS
Alarm RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), Multiplexed, 4.5 V to 5.5 V, PLCC-28

MAXIM INTEGRATED PRODUCTS
RTC IC, Date Time Format (Day/Date/Month/Year/Century hh:mm:ss), Bytewide, 4.5 V to 5.5 V, WSOIC-28

LINEAR TECHNOLOGY
PLL, FREQ SYNTH W/ VCO, 6.39GHZ, QFN-28

TEXAS INSTRUMENTS
芯片, 数据/时钟分配器, 400MHZ, TSSOP28

LINEAR TECHNOLOGY
芯片, 锁相环, 频率合成, 压控振荡器, 5.79GHZ, QFN-28

LINEAR TECHNOLOGY
PLL, FREQ SYNTH W/ VCO, 4.91GHZ, QFN-28

TEXAS INSTRUMENTS
芯片, 时钟缓冲器, LVDS, 1: 4, 28VQFN

ON SEMICONDUCTOR
芯片, ECL 100 逻辑器件