The DS1643 is an 8K x 8 nonvolatile static RAM with a full function Real Time Clock (RTC) that are both accessible in a byte-wide format.
The Integrated Circuit (IC) Timekeeping RAM DS1643 is an 8 Kb x 8 non-volatile static RAM and real-time clock Integrated circuit device.
DESCRIPTION. The DS1643 is a 8K x 8 nonvolatile static RAM with a full function Real Time Clock (RTC) which are both acces- sible in a Byte–wide format.
The DS1643 is an 8K x 8 nonvolatile static RAM with a full function Real Time Clock (RTC) that are both accessible in a byte-wide format.
The DS1643 is available in two packages: 28-pin DIP module and 34-pin ... The DS1643 is guaranteed to keep time accuracy to within ±1 minute per month at 25 ...
DS1643 Analog Devices Inc./Maxim Integrated Clock/Timing parts available at DigiKey.