Key facts
- Brand
- STMicroelectronics
- Model
- M48T201V
- Industry
- Industrial
- Documents
- 4
- Languages
- EN
- Last added
- 2012-08-09
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STMicroelectronics M48T201Y/M48T201V Timekeeper Supervisor Datasheet
The M48T201Y and M48T201V are self-contained devices that include a real-time clock (RTC), programmable alarms, a watchdog timer, and a square wave output. They convert low-power SRAM into non-volatile RAM (NVRAM) and are year 2000 compliant. The devices feature an integrated real-time clock, power-fail control circuit, battery, and crystal.
Read onlineSTMicroelectronics M48T201V specifications
| Supply Voltage (M48T201Y) | 4.5 to 5.5 V |
|---|---|
| Supply Voltage (M48T201V) | 3.0 to 3.6 V |
| Address Lines | 19 (A0-A18) |
| Max External RAM | 512 K x 8 |
| Package Type | 44-lead SOIC |
Source: STMicroelectronics M48T201Y/M48T201V Timekeeper Supervisor Datasheet
All STMicroelectronics M48T201V documents by type
Ratings, dimensions and ordering codes, for selection and design work.
How to use the product for one specific task, with worked examples.
Questions answered in these manuals
What is the write protect voltage for M48T201Y?
The write protect voltage (VPFD) is between 4.1V and 4.5V.
From: STMicroelectronics M48T201Y/M48T201V Timekeeper Supervisor Datasheet
What is the write protect voltage for M48T201V?
The write protect voltage (VPFD) is between 2.7V and 3.0V.
From: STMicroelectronics M48T201Y/M48T201V Timekeeper Supervisor Datasheet
What is the combined footprint of an ST supervisor connected to a low power SRAM chip?
The combined footprint measures 0.916 by 0.787 inches.
From: STMicroelectronics AN1000 Reduced Footprint Supervisor Application Note
What is the footprint of a competitor's single chip solution compared to the ST devices?
A competitor's single chip solution might have a footprint of 0.965 by 0.930 inches.
From: STMicroelectronics AN1000 Reduced Footprint Supervisor Application Note
What is the function of the M48T201Y/V?
They are self-contained devices that convert low-power SRAM into NVRAM.
Does the device include a battery and crystal?
Yes, the SOIC package provides direct connection for a SNAPHAT top which contains the battery and crystal.