Key facts
- Brand
- STMicroelectronics
- Model
- M48T37Y
- Industry
- Industrial
- Documents
- 3
- Languages
- EN
- Last added
- 2012-08-09
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ST M48T37Y M48T37V 5.0 or 3.3 V 256 Kbit (32 Kbit x 8) TIMEKEEPER SRAM handbook
M48T37Y, M48T37V is an integrated ultra low power SRAM, real-time clock, power-fail control circuit, and battery product produced by ST company. It has frequency test output, automatic power-fail chip deselect and WRITE protection, watchdog timer and other functions.
Read onlineSTMicroelectronics M48T37Y specifications
| Memory capacity | 256 Kbit (32 Kbit × 8) |
|---|---|
| Operating voltage (M48T37Y) | 4.5 V to 5.5 V |
| Operating voltage (M48T37V) | 3.0 V to 3.6 V |
| RoHS compliance | Lead‑free components |
| Watchdog timer | Integrated |
| Battery‑low flag | Integrated |
| Year‑2000 compliant | Yes |
Source: ST M48T37Y M48T37V 5.0 or 3.3V 256 Kbit (32 Kbit x8) TIMEKEEPER SRAM handbook
All STMicroelectronics M48T37Y documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What voltage range does the M48T37Y operate at?
The M48T37Y operates from 4.5 V to 5.5 V.
From: ST M48T37Y M48T37V 5.0 or 3.3V 256 Kbit (32 Kbit x8) TIMEKEEPER SRAM handbook
What voltage range does the M48T37V operate at?
The M48T37V operates from 3.0 V to 3.6 V.
From: ST M48T37Y M48T37V 5.0 or 3.3V 256 Kbit (32 Kbit x8) TIMEKEEPER SRAM handbook
How is the SNAPHAT battery/crystal package attached?
The SNAPHAT housing is inserted after the SOIC reflow process to avoid damage to the battery and crystal.
What is the maximum read cycle time?
The read cycle time is specified as 70 ns to 100 ns.