M48T35AV-10MH1F Real-Time Clock (RTC) ICs by STMicroelectronics

3.3 V, 256 Kbit (32 Kbit x 8) TIMEKEEPER® SRAM

Status: Active
Series: M48T35AV
RoHS: Compliant
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The M48T35AV TIMEKEEPER ® RAM is a 32 Kbit x 8 non-volatile static RAM and real-time clock. The monolithic chip is available in two special packages to provide a highly integrated battery-backed memory and real-time clock solution. The M48T35AV is a non-volatile pin and function equivalent to any JEDEC standard 32 Kb x 8 SRAM. It also easily fits into many ROM, EPROM, and EEPROM sockets, providing the non-volatility of PROMs without any requirement for special WRITE timing or limitations on the number of WRITEs that can be performed. The 28-pin, 600 mil DIP CAPHAT ™ houses the M48T35AV silicon with a quartz crystal and a long-life lithium button cell in a single package. The 28-pin, 330 mil SOIC provides sockets with gold plated contacts at both ends for direct connection to a separate SNAPHAT ® housing containing the battery and crystal. The unique design allows the SNAPHAT battery package to be mounted on top of the SOIC package after the completion of the surface mount process. Insertion of the SNAPHAT housing after reflow prevents potential battery and crystal damage due to the high temperatures required for device surface-mounting. The SNAPHAT housing is keyed to prevent reverse insertion. The SOIC and battery/crystal packages are shipped separately in plastic anti-static tubes or in tape & reel form. For the 28-lead SOIC, the battery/crystal package part numbers are M4T28-BR12SH1 (48 mAh lithium battery SNAPHAT), M4T32-BR12SH1 (120 mAh lithium battery SNAPHAT), and M4T32-BR12SH6 (120 mAh lithium battery SNAPHAT, –40 to +85 °C crystal).

Prices starting from US$15.50


Distributor Starting From Stock
Logo for Newark Electronics Newark Electronics US$18.99
1,081
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Logo for Future Electronics Future Electronics US$15.87
936
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Logo for element14 element14 US$18.97
895
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Logo for Avnet America Avnet America US$15.50
-
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Logo for Schukat Electronic Schukat Electronic US$15.76
-
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Features

Integrated, ultra low power SRAM, real-time clock, power-fail control circuit and battery
BYTEWIDE™RAM-like clock access
BCD coded year, month, day, date, hours, minutes, and seconds
Battery low flag (BOK )
Frequency test output for real-time clock
Automatic power-fail chip deselect and WRITE protection
WRITE protect voltage (VPFD= power-fail deselect voltage): M48T35AV: VCC= 3.0 to 3.6 V; 2.7 V ≤ VPFD≤ 3.0 V
M48T35AV: VCC= 3.0 to 3.6 V; 2.7 V ≤ VPFD≤ 3.0 V
Self-contained battery and crystal in the CAPHAT™ DIP package
SOIC package provides direct connection for a SNAPHAT®housing containing the battery and crystal
SNAPHAT®housing (battery and crystal) is replaceable
Pin and function compatible with JEDEC standard 32 Kbit x 8 SRAMs
RoHS compliant Lead-free second level interconnect
Lead-free second level interconnect

Alternative Descriptions

So28 Battery/Tk 32K X 8 3.3V 10% | Newark Electronics
M48T35AV Series 256 Kb (32 K x 8) 3.6 V 100 ns Timekeeper« SRAM - SOH-28 | Future Electronics
SO28 BATTERY/TK 32K X 8 3.3V 10% | element14
NVRAM NVSRAM Parallel 256K-Bit 3.3V 28-Pin SOH T/R | Avnet America
Timek. 3,3V 32kx8 100ns 0-70° SOH28 | Schukat Electronic


Frequently Asked Questions

Where can I find additional details, specifications and documents for a M48T35AV-10MH1F?

Additional datasheets, footprints and schematics for M48T35AV-10MH1F are listed on our Part Details page. You can also find images and similar parts to M48T35AV-10MH1F on this page.

What pricing and inventory information can I view?

Distributor pricing and stock information is available for M48T35AV-10MH1F on our Product Comparison page. Access via the 'View Pricing & Stock' button to view M48T35AV-10MH1F price breaks, MOQs, lead times, inventory and SKUs from distributors.

What category does M48T35AV-10MH1F fall under?

The M48T35AV-10MH1F is listed under Clocks and Timers > Real-Time Clock (RTC) ICs > RTC - Parallel Interface (Timekeepers).

Can I view similar or alternative parts?

You can view similar parts to M48T35AV-10MH1F when available in the RTC - Parallel Interface (Timekeepers) range under the specifications section at the bottom of the details page.

Who can I contact for technical support of the product?

Submit any questions directly to the customer support team of the distributor listing the product. For the M48T35AV-10MH1F you can contact the distributor directly for product support, shipping queries etc.

Is the M48T35AV-10MH1F RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by STMicroelectronics.

Which authorised distributors for M48T35AV-10MH1F have stock available?

Authorised distributors including Newark Electronics, Future Electronics, element14, Farnell and Avnet America have stock available or on a lead time for M48T35AV-10MH1F.

How do I check stock and lead times for all distributors?

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