Y2K-Compliant Parallel RTC with CPU Supervisor and External NVSRAM Control, 5 V Vcc, 16 RTC Bytes, Parallel, 0 to 70 degC, 28-Pin TSSOP (PW), Green (RoHS & no Sb/Br)
Texas Instruments (TI)
實(shí)時(shí)時(shí)鐘 (RTC) IC 時(shí)鐘/日歷 242B 并聯(lián) 24-TSSOP（0.173"，4.40mm 寬）
Analog Devices
Real Time Clock (RTC) IC Clock/Calendar 96B SPI 20-TSSOP (0.173", 4.40mm Width)
Analog Devices
Real Time Clock (RTC) IC Portable System Controller 3-Wire Serial 20-SOIC (0.295", 7.50mm Width)
Analog Devices
Real Time Clock (RTC) IC Clock/Calendar SPI 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Analog Devices
Real Time Clock (RTC) IC Clock/Calendar 31B 3-Wire Serial 8-SOIC (0.154", 3.90mm Width)
Analog Devices
Real Time Clock (RTC) IC Clock/Calendar 56B I2C, 2-Wire Serial 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Analog Devices
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