Controller Type is Smartwatch RAM - Memory - Controllers Distributor - DS1216B DS1216C DS1216D

Part Number	Manufacturer / Brand	Brife Description	Part Status	Controller Type	Voltage - Supply	Operating Temperature	Package / Case	Supplier Device Package
DS1216B	Maxim Integrated	IC SMARTWATCH RAM 16K/64K 28DIP	Obsolete	Smartwatch RAM	4.5 V ~ 5.5 V	0°C ~ 70°C	28-DIP (0.600", 15.24mm) Socket	28-DIP Socket
DS1216C	Maxim Integrated	IC SMART/RAM 5V 64K/256K 28-DIP	Obsolete	Smartwatch RAM	4.5 V ~ 5.5 V	0°C ~ 70°C	28-DIP (0.600", 15.24mm) Socket	28-DIP Socket
DS1216D	Maxim Integrated	IC SMART/RAM 5V 256K/1M 32-DIP	Obsolete	Smartwatch RAM	4.5 V ~ 5.5 V	0°C ~ 70°C	32-DIP (0.600", 15.24mm) Socket	32-DIP Socket
DS1216H	Maxim Integrated	IC SMARTWATCH/RAM 5V 4M 32DIP	Obsolete	Smartwatch RAM	4.5 V ~ 5.5 V	0°C ~ 70°C	32-DIP (0.600", 15.24mm) Socket	32-DIP Socket