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HT1381 - Serial Timekeeper Chip
HT1380 - Serial Timekeeper Chip
M48T35Y - 256 Kbit (32 Kb x 8) TIMEKEEPER SRAM
DS1284 - (DS1284 / DS1286) Watchdog Timekeepers
DS1386P - RAMified Watchdog Timekeeper
HT1380A - Serial Timekeeper Chip
M48T18 - 64 Kbit 8Kb x 8 TIMEKEEPER SRAM
HMNR28DV - TIMEKEEPER NVSRAM
HT1381A - Serial Timekeeper Chip
M48T248Y - 5.0 or 3.3V / 1024K TIMEKEEPER SRAM
M48T251Y - 5.0 or 3.3V / 4096K TIMEKEEPER SRAM with PHANTOM
M48T35AV - 256 Kbit (32 Kbit x 8) TIMEKEEPER SRAM
M48T58 - 64 Kbit (8 Kb x 8) TIMEKEEPER SRAM
HMNR28D - TIMEKEEPER NVSRAM
HMNR88DV - TIMEKEEPER NVSRAM
DS1283 - Watchdog Timekeeper Chip
M48T212Y - 5V/3.3V TIMEKEEPER[ CONTROLLER
MK48T02 - CMOS 2K x 8 TIMEKEEPER SRAM
MK48T87 - CMOS 64 x 8 Address / Data Multiplexed Timekeeper SRAM