PDIP-8 时钟和计时器IC

计时器和支持产品 This is a common 555 timer/oscillator from TI. A classic for all of those first year circuits projects where you need to blink an LED generate tone and thousands of other great beginning projects. Google around for a huge list of resources and exam

计时器和支持产品 CMOS

计时器和支持产品 TIMER

实时时钟 I2C GP RTCC,64B SRAM

计时器和支持产品 Prec Timers ALT 595- NA555P ALT 595-NA55 ALT 595-NA555P

计时器和支持产品 Precision

计时器和支持产品 CMOS

计时器和支持产品 CMOS Timer

实时时钟 Trickle-Charge Timekeeping Chip

实时时钟 64 x 8, Serial, I C Real-Time Clock

计时器和支持产品 8-Bit Binary, Programmable, RC Timer Cou