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  • Key Features

    • SOIC package provides direct connection for a SNAPHAT® top which contains the battery and crystal
    • Packaging includes a 44-lead SOIC and SNAPHAT® top (to be ordered separately)
    • RoHS compliantLead-free second level interconnect
    • Microprocessor power-on reset (valid even during battery back-up mode.)
    • Choice of write protect voltagesM48T201Y: VCC = 4.5 to 5.5V 4.1V≤VPFD≤4.5V\t\tM48T201V: VCC = 3.0 to 3.6V 2.7V≤VPFD≤3.0V\t\t
    • Converts low power SRAM into NVRAMs
    • Battery low flag
    • Year 2000 compliant
    • Watchdog timer
    • Programmable alarm output active in the battery backed-up mode
    • Integrated real time clock, power-fail control circuit, battery and crystal

Circuit Diagram

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Sample & Buy

Part Number
Package
Packing Type
Marketing Status
Quantity
ECCN (US)
Country of Origin
Order from Distributors
Order from ST
M48T201Y-70MH1F SO-44 Tape And Reel
Active
1000 EAR99 MALAYSIA Check Availability

Distributor availability ofM48T201Y-70MH1F

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1056 1 Order Now
ARROW AMERICA 3744 936 Order Now
MOUSER WORLDWIDE 100 1 Order Now

Distributor reported inventory date: 2019-05-21

Distributor Name

DIGIKEY

Stock

1056

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

3744

Min.Order

936

Region

AMERICA Order Now

MOUSER

Stock

100

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2019-05-21

Buy now

M48T201Y-70MH1F

Package

SO-44

Packing Type

Tape And Reel

Distributor availability ofM48T201Y-70MH1F

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1056 1 Order Now
ARROW AMERICA 3744 936 Order Now
MOUSER WORLDWIDE 100 1 Order Now

Distributor reported inventory date: 2019-05-21

Distributor Name

DIGIKEY

Stock

1056

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

3744

Min.Order

936

Region

AMERICA Order Now

MOUSER

Stock

100

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2019-05-21

Marketing Status

Active

Quantity

1000

ECCN (US)

EAR99

Country of Origin

MALAYSIA

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors

00 Files selected for download

Technical Documentation

    • Description Version Size Action
      DS1317
      5.0 or 3.3 V TIMEKEEPER® supervisor
      7.1
      303.17 KB
      PDF
      DS1317

      5.0 or 3.3 V TIMEKEEPER® supervisor

    • Description Version Size Action
      AN1011
      Battery technology used in NVRAM and real-time clock (RTC) products from ST
      4.0
      248.17 KB
      PDF
      AN934
      How to use the digital calibration feature in TIMEKEEPER® and serial real-time clock (RTC) products
      4.1
      123.42 KB
      PDF
      AN1216
      Implementing a periodic alarm with TIMEKEEPER® and serial real-time clocks (RTCs)
      2.0
      192.89 KB
      PDF
      AN4641
      Integrating TIMEKEEPER® and real-time clock supervisor functions
      1.0
      479.28 KB
      PDF
      AN923
      Managing century information using serial real-time clocks and TIMEKEEPER® NVRAMs
      4.0
      142.23 KB
      PDF
      AN1012
      Predicting the battery life and data retention period of NVRAMs and serial RTCs
      4.1
      439.45 KB
      PDF
      AN1000
      Reduced footprint ZEROPOWER® and TIMEKEEPER® supervisor surface-mount solution
      2.0
      62.06 KB
      PDF
      AN925
      Time update in ST's TIMEKEEPER® devices
      2.0
      119.68 KB
      PDF
      AN1011

      Battery technology used in NVRAM and real-time clock (RTC) products from ST

      AN934

      How to use the digital calibration feature in TIMEKEEPER® and serial real-time clock (RTC) products

      AN1216

      Implementing a periodic alarm with TIMEKEEPER® and serial real-time clocks (RTCs)

      AN4641

      Integrating TIMEKEEPER® and real-time clock supervisor functions

      AN923

      Managing century information using serial real-time clocks and TIMEKEEPER® NVRAMs

      AN1012

      Predicting the battery life and data retention period of NVRAMs and serial RTCs

      AN1000

      Reduced footprint ZEROPOWER® and TIMEKEEPER® supervisor surface-mount solution

      AN925

      Time update in ST's TIMEKEEPER® devices

HW Model, CAD Libraries & SVD

    • Description Version Size Action
      Ibis model 1.0
      28.12 KB
      ZIP

      Ibis model

Quality & Reliability

    • Description Version Size Action
      Products Underwriter Laboratories (UL) Information 2.1
      543.21 KB
      PDF

      Products Underwriter Laboratories (UL) Information

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
M48T201Y-70MH1F
Active
SO-44 Industrial Ecopack1

M48T201Y-70MH1F

Package:

SO-44

Material Declaration**:

Marketing Status

Active

Package

SO-44

Grade

Industrial

RoHS Compliance Grade

Ecopack1

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.