DS1302S+Alternatives & Equivalent Parts
About DS1302S+
DS1302S+ is a Integrated Circuit component manufactured by Maxim Integrated. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | DS1302S+Source | STM32F103RCT7TR | STM32F401RCT7TR | 55602303013 |
|---|---|---|---|---|
| Manufacturer | Maxim Integrated | STMicroelectronics | STMicroelectronics | VARTA |
| Package Type | Small Outline Packages | Quad Flat Packages | Quad Flat Packages | Other |
| Pin Count | 8 | 64 | 64 | 2 |
| Temperature Range | ~ 70.0°C | -40.0°C ~ 105.0°C | -40.0°C ~ 105.0°C | — |
| Price | $2.6900 | $4.9505 | $2.8850 | — |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE UNCONFIRMED |
| Electrical Parameters | ||||
| Manufacturer Package Code | 8-SOIC_W-300_MIL | — | — | — |
| Date Of Intro | 2000-07-09 | — | — | — |
| YTEOL | 9 | 9 | 9 | 2 |
| Additional Feature | BURST MODE RAM DATA TRANSFER; TIMEKEEPING CURRENT = 0.3UA | — | — | — |
| Clock Frequency-Max | 0.032 MHz | 16 MHz | 26 MHz | — |
| Information Access Method | SERIAL, 3-WIRE | — | — | — |
| Interrupt Capability | N | — | — | — |
| JESD-30 Code | R-PDSO-G8 | S-PQFP-G64 | S-PQFP-G64 | — |
| JESD-609 Code | e3 | e3 | e3 | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — |
| Package Equivalence Code | SOP8,.3 | QFP64,.47SQ,20 | — | — |
| Package Shape | RECTANGULAR | SQUARE | SQUARE | — |
| Package Style | SMALL OUTLINE | FLATPACK, LOW PROFILE, FINE PITCH | FLATPACK, LOW PROFILE, FINE PITCH | — |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | — |
| Qualification Status | Not Qualified | Not Qualified | — | — |
| Supply Voltage-Max | 5.5 V | 3.6 V | 3.6 V | — |
| Supply Voltage-Min | 2 V | 3.3 V | 3.3 V | — |
| Supply Voltage-Nom | 3.3 V | 3.3 V | 3.3 V | — |
| Surface Mount | YES | YES | YES | — |
| Technology | CMOS | CMOS | CMOS | — |
| Temperature Grade | COMMERCIAL | INDUSTRIAL | INDUSTRIAL | — |
| Terminal Finish | Matte Tin (Sn) - annealed | Matte Tin (Sn) | Matte Tin (Sn) | — |
| Terminal Form | GULL WING | GULL WING | GULL WING | — |
| Terminal Pitch | 1.27 mm | 0.5 mm | 0.5 mm | — |
| Terminal Position | DUAL | QUAD | QUAD | — |
| Time-Min | SECONDS | — | — | — |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 | — |
| Volatile | YES | — | — | — |
| uPs/uCs/Peripheral ICs Type | TIMER, REAL TIME CLOCK | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | — |
| Factory Lead Time | — | 13 Weeks | 15 Weeks | — |
| Has ADC | — | YES | YES | — |
| Bit Size | — | 32 | 32 | — |
| Boundary Scan | — | YES | YES | — |
| CPU Family | — | CORTEX-M3 | — | — |
| DAC Channels | — | YES | NO | — |
| DMA Channels | — | YES | YES | — |
| Format | — | FIXED POINT | — | — |
| Integrated Cache | — | NO | — | — |
| Low Power Mode | — | YES | — | — |
| Number of DMA Channels | — | 12 | — | — |
| Number of External Interrupts | — | 16 | — | — |
| Number of I/O Lines | — | 51 | 81 | — |
| Number of Timers | — | 11 | — | — |
| On Chip Program ROM Width | — | 8 | 8 | — |
| PWM Channels | — | YES | YES | — |
| RAM (bytes) | — | 49152 | 65536 | — |
| ROM (words) | — | 262144 | 262144 | — |
| ROM Programmability | — | FLASH | FLASH | — |
| Speed | — | 72 MHz | 84 MHz | — |
| Supply Current-Max | — | 70 mA | — | — |
| ## STM32F401RCT7TR Alternates Showing results | — | — | Image | — |
| Approvals | — | — | — | UL |
| Battery Chemistry | — | — | — | NICKEL METAL HYDRIDE |
| Battery Type | — | — | — | SECONDARY |
| Capacity | — | — | — | 0.015 Ah |
| Diameter | — | — | — | 11.5 mm |
| Height | — | — | — | 3.1 mm |
| Standard Charge Current | — | — | — | 1.5 mA |
| Standard Charge Time | — | — | — | 57600 s |
| Terminal Type | — | — | — | BUTTON(-), FLAT(+) |
| Voltage | — | — | — | 1.2 V |
| Weight | — | — | — | 1.3 g |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 3 alternatives for DS1302S+ — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for DS1302S+ is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating DS1302S+ replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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FAQ
What is equivalent to DS1302S+?
Known equivalents for DS1302S+ include STM32F103RCT7TR, STM32F401RCT7TR, 55602303013. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of DS1302S+?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify DS1302S+ alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.