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STMicroelectronics M48T08Y-10MH1F — DC-DC Power Modules
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RoHS Compliant · Lead-Free EIA-481 Standard
STMicroelectronics / DC-DC Power Modules

M48T08Y-10MH1F Timekeeper RTC, Parallel, 4.5V-5.5V, 28-SOH

MPN M48T08Y-10MH1F
End of Life Spot Stock · 24-48h Dispatch 100% Original Sealed

STMicroelectronics Timekeeper® M48T08Y-10MH1F, Clock/Calendar RTC, Parallel interface, Leap Year, Watchdog Timer, 4.5V-5.5V supply, 0°C-70°C, 28-SOH package with SNAPHAT sockets.

In Stock: 1 pcs
MOQ: 1 pcs
Logistics: DHL / FedEx DAP (Global Express · 3-7d) Russia & CIS DDP (Door-to-Door Cleared)
Dispatch: Shenzhen / HK
Unit Price (USD)
$32.54 / pc
Direct Purchase Ready
Volume Pricing Breaks Confirmed upon quotation
1+ pcs
$32.54
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$32.54 / ea

1 in stock — maximum per order · 3–4 days lead time
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100% Original Sealed 45x Microscope QC 30-Day Warranty · COC USD T/T & PI · DAP/DDP
[SPEC] Essential Parameters Snapshot Full Specifications (12)
Package / Case 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets
Supply Voltage 4.5V ~ 5.5V

Full Technical Specifications

12 Parameters
M48T08Y-10MH1F specifications
Parameter / AttributeSpecification / Value
TypeClock/Calendar
SeriesTimekeeper®
MountingSurface Mount
Supply voltage4.5V ~ 5.5V
Current - timekeeping3mA @ 4.5V ~ 5.5V
InterfaceParallel
Operating temperature0°C ~ 70°C
PackageTape & Reel (TR); Cut Tape (CT)
FeaturesLeap Year, Watchdog Timer
Date formatYY-MM-DD-dd
Time formatHH:MM:SS (24 hr)
Case28-SOP (0.350\", 8.89mm Width) with SNAPHAT Sockets
Series Sibling Variants

STMicroelectronics Timekeeper® Series Models

Sibling variants, package options, and speed/density grades in this STMicroelectronics semiconductor series. Active Shenzhen warehouse allocation and rapid 24-48h dispatch.

M48T201V-85MH1F
IC RTC CLK/CALENDAR PAR 44-SOH
View Availability & Specs
M48T37Y-70MH1F
STMicroelectronics Timekeeper® M48T37Y-70MH1F, Clock/Calendar RTC, Parallel interface, YY-MM-DD-dd date, HH:MM:SS (24 hr) time, 4.5V~5.5V supply, 0°C~70°C, 44-SOH package, requires SNAPHAT.
View Availability & Specs

Technical Details & Description

The STMicroelectronics M48T08Y-10MH1F is a Timekeeper® real-time clock/calendar with a parallel interface, designed for systems that need to track date and time without continuous CPU polling. It handles YY-MM-DD-dd date format and HH:MM:SS time in 24-hour mode, and includes a watchdog timer and leap-year compensation — features that make it a drop-in fit for legacy industrial controllers, telecom line cards, and embedded instrumentation that run on a 5V rail.

Timekeeping current and what it means

The timekeeping current draw is 3mA maximum across the supply range.

Frequently asked questions

Is M48T08Y-10MH1F RoHS compliant?

Yes, the M48T08Y-10MH1F is ROHS3 compliant.

M48T08Y-10MH1F
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