Rochester Electronics, LLC34-PowerCap™ ModuleRoHS
DS1557WP-120
IC RTC CLK/CALENDAR PAR 34-PCM
Category
Subcategory
Clock Timing Real Time Clocks
Package
34-PowerCap™ Module
Status
Obsolete
Datasheet
$66.76 / unit (market reference)
MOQ: 5 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
✅ 365-Day Warranty🚚 Global Shipping
Parameters
| Parameter | Value |
|---|---|
| Brand | Rochester Electronics, LLC |
| Model | DS1557WP-120 |
| Package / Case | 34-PowerCap™ Module |
| Mounting Type | Surface Mount |
| Operating Temperature | 0°C ~ 70°C |
| Voltage - Supply | 2.97V ~ 3.63V |
| Supplier Device Package | 34-PowerCap Module |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
DS1557WP-120 by Rochester Electronics, LLC is a commonly used electronic component in the Clock Timing Real Time Clocks category. Available in 34-PowerCap™ Module package with 0°C ~ 70°C operating temperature range. Contact us for datasheet, pricing, and availability.
📖 Technical Guides for DS1557WP-120
📄📄📄📄
ESP32 vs STM32: Which MCU is Right for Your Project?
Components Guide
Chinese MCU Alternatives: GD32, AT32, APM32 & More — 40-80% Cost Savings vs ST/NXP/Microchip
Components Guide
Op-Amp Selection Guide: 8 Most Popular Types and When to Use Each
Components Guide
LM358 Alternatives & Replacements: Complete Pin-to-Pin Guide
Components Guide
Alternatives & Replacements
View All →Rochester Electronics, LLCStock34-PowerCap™ Module
DS1386P-8-120
IC RTC CLK/CALENDAR PAR 34-PCM
Request QuoteRFQ →
Rochester Electronics, LLCStock34-PowerCap™ Module
DS1553WP-150
IC RTC CLK/CALENDAR PAR 34-PCM
Request QuoteRFQ →
Rochester Electronics, LLCStock34-PowerCap™ Module
DS1251WP-120
IC RTC PHANTOM PAR 34-PCM
Request QuoteRFQ →
Rochester Electronics, LLCStock34-PowerCap™ Module
DS1743P-100
IC RTC RAM Y2K 5V 100NS 34-PCM
Request QuoteRFQ →
Rochester Electronics, LLCStock34-PowerCap™ Module
DS1553P-100
IC RTC RAM Y2K 5V 100NS 34-PCM
Request QuoteRFQ →
Analog Devices Inc./Maxim IntegratedStock34-PowerCap™ Module
DS1744P-70+
IC RTC CLK/CALENDAR PAR 34-PCM
Request QuoteRFQ →
All Technical Specifications
| Type | Clock/Calendar |
| Features | Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K |
| Interface | Parallel |
| Date Format | YY-MM-DD-dd |
| Memory Size | 512KB |
| Time Format | HH:MM:SS (24 hr) |
| Voltage - Supply | 2.97V ~ 3.63V |
| Voltage - Supply, Battery | 3V |
| Current - Timekeeping (Max) | 4mA @ 3.3V |
Request a Quote
Submit your quantity and details — we will reply within 24 hours.