Key facts
- Brand
- STMicroelectronics
- Model
- M48T35
- Industry
- Industrial
- Documents
- 3
- Languages
- EN
- Last added
- 2012-08-09
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ST M48T35 M48T35Y 5 V 256 Kbit (32 Kb x 8) TIMEKEEPER SRAM handbook
The M48T35/Y TIMEKEEPER® RAM is a non-volatile static RAM and real-time clock device available in two special packages: the CAPHAT™ DIP package (silicon, quartz crystal, and lithium button cell) and the SOIC package with separate SNAPHAT® housing for battery and crystal. It provides a highly integrated solution for timekeeping applications.
Read onlineSTMicroelectronics M48T35 specifications
| Power‑fail Deselect Voltage (VPFD) – M48T35 | 4.5 V ≤ VPFD ≤ 4.75 V |
|---|---|
| Power‑fail Deselect Voltage (VPFD) – M48T35Y | 4.2 V ≤ VPFD ≤ 4.5 V |
| Supply Voltage (VCC) | –0.3 V to 7 V |
| Input High Voltage (VIH) | 2.2 V + 0.3 V |
| Standby Supply Current (TTL) | 3 mA |
Source: ST M48T35 M48T35Y 256 Kbit (32Kb x8) TIMEKEEPER SRAM handbook
All STMicroelectronics M48T35 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the supply voltage range for the M48T35?
The device operates with a supply voltage between 4.75 V and 5.5 V.
From: ST M48T35 M48T35Y 5 V 256 Kbit (32 Kb x 8) TIMEKEEPER SRAM handbook
What is the supply voltage range for the M48T35Y?
The device operates with a supply voltage between 4.5 V and 5.5 V.
From: ST M48T35 M48T35Y 5 V 256 Kbit (32 Kb x 8) TIMEKEEPER SRAM handbook
What is the power‑fail deselect voltage range for the M48T35?
The power‑fail deselect voltage for the M48T35 is between 4.5 V and 4.75 V.
From: ST M48T35 M48T35Y 256 Kbit (32Kb x8) TIMEKEEPER SRAM handbook
What are the supply voltage limits for the device?
The device operates with a supply voltage from –0.3 V up to 7 V.
From: ST M48T35 M48T35Y 256 Kbit (32Kb x8) TIMEKEEPER SRAM handbook
How many clock bytes are provided and where are they located?
Eight clock bytes are provided at addresses 7FF8h‑7FFFh.