| Part Number | Package | Marketing Status | SRAM Supervisor | Operating Temperature min (°C) | Operating Temperature max (°C) | Memory Organization | Supply Voltage(Vcc) min (V) | Supply Voltage(Vcc) max (V) | Programmable Alarms | Watchdog Timer | Battery Low Detect(BL) |
| M48T02 | PDIP 24 .7 | Active | - | 0 | 70 | 16Kb (2K x 8) | 4.75 | 5.5 | - | - | Yes |
| M48T08 | PDIP 28 .7 | Active | - | 0 | 70 | 64Kb (8K x 8) | 4.75 | 5.5 | - | - | - |
| M48T08Y | SO-28 | Active | - | 0 | 70 | 64Kb (8K x 8) | 4.5 | 5.5 | - | - | - |
| M48T12 | PDIP 24 .7 | Active | - | 0 | 70 | 16Kb (2K x 8) | 4.5 | 5.5 | - | - | Yes |
| M48T18 | PDIP 28 .7 | Active | - | 0 | 70 | 64Kb (8K x 8) | 4.5 | 5.5 | - | - | - |
| M48T201V | SO-44 | Active | Yes | 0 | 70 | external | 3 | 3.6 | Yes | Yes | Yes |
| M48T201Y | SO-44 | Active | Yes | 0 | 70 | external | 4.5 | 5.5 | Yes | Yes | Yes |
| M48T35 | PDIP 28 .7 | Active | - | 0 | 70 | 256Kb (32K x 8) | 4.75 | 5.5 | - | - | - |
| M48T35AV | PDIP 28 .7; SO-28 | Active | - | 0 | 70 | 256Kb (32K x 8) | 3 | 3.6 | - | - | Yes |
| M48T35Y | PDIP 28 .7; SO-28 | Active | - | 0 | 70 | 256Kb (32K x 8) | 4.5 | 5.5 | - | - | - |
| M48T37V | SO-44 | Active | - | 0 | 70 | 256Kb (32K x 8) | 3 | 3.6 | Yes | Yes | Yes |
| M48T37Y | SO-44 | Active | - | 0 | 70 | 256Kb (32K x 8) | 4.5 | 5.5 | Yes | Yes | Yes |
| M48T58 | PDIP 28 .7 | Active | - | 0 | 70 | 64Kb (8K x 8) | 4.75 | 5.5 | - | - | Yes |
| M48T58Y | PDIP 28 .7; SO-28 | Active | - | 0 | 70 | 64Kb (8K x 8) | 4.5 | 5.5 | - | - | Yes |
