Real Time Clock (RTC) IC Phantom Time Chip 512KB Parallel 32-DIP Module (0.600", 15.24mm)..
Real Time Clock (RTC) IC Phantom Time Chip 32KB Parallel 28-DIP Module (0.600", 15.24mm)..
NVSRAM (Non-Volatile SRAM) Memory IC 256Kbit Parallel 70 ns 28-DIP Module (18.42x37.72)..
NVSRAM (Non-Volatile SRAM) Memory IC 64Kbit Parallel 70 ns 28-DIP Module (18.42x37.72)..