| Device code | Features | Package | Order code | | |
M41T00M6E | I²C timekeeper, power sense circuit, 2 to 5.5V | SO-8 | 82-0910 | | |
M41T94MH6E | 512-bit (64-bit x8) SPI timekeeper SRAM, | SOH-28 | 82-0914 | | |
| SNAPHAT battery compatible | | | | |
M48T08-100PC1 | 64 Kbit (8Kb x8) non-volatile static RAM and RTC, 100ns, | PCDIP28 | 82-0922 | | |
| integrated crystal and lithium cell | CAPHAT | | | |
M48T35Y-70MH1E | 256 Kbit (32Kb x8) non-volatile static RAM and RTC, 70ns, | SOH-28 | 82-0924 | | |
| SNAPHAT battery compatible | | | | |
M48T35Y-70PC1 | 256 Kbit (32Kb x8) non-volatile static RAM and RTC, 70ns | PCDIP28 | 82-0926 | | |
| | CAPHAT | | | |
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