The PCA21125 is a CMOS Real-Time Clock (RTC) and calendar optimized for low-power consumption and an operating temperature up to 125 °C. Data is transferred via a Serial Peripheral Interface (SPI-bus) with a maximum data rate of 6.0 Mbit/s. Alarm and timer functions are also available with the possibility to generate a wake-up signal on the interrupt pin.
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SPI-bus Real-Time Clock and calendar (REV 2.0) PDF (383.0 kB) PCA21125 | 25 Nov 2014 |
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ESD and EMC sensitivity of IC (REV 1.0) PDF (745.0 kB) AN10853 | 14 Mar 2013 |
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User Manual for NXP® Real Time Clocks PCF85x3, PCF85x63, PCA8565, PCF2123, and PCA21125 (REV 2.1) PDF (961.0 kB) UM10301 | 24 Jul 2015 |
Store and transport requirements (REV 3.0) PDF (325.0 kB) UM10569 | 10 Mar 2015 |
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Real-time clocks for automotive applications (REV 1.0) PDF (513.0 kB) 75017665 | 21 Jul 2015 |
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plastic thin shrink small outline package; 14 leads; body width 4.4 mm (REV 1.0) PDF (285.0 kB) SOT402-1 | 08 Feb 2016 |
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TSSOP14; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or... (REV 1.0) PDF (217.0 kB) SOT402-1_118 | 08 Apr 2013 |
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Footprint for wave soldering (REV 1.0) PDF (16.0 kB) SSOP-TSSOP-VSO-WAVE | 08 Oct 2009 |
Product | Status | Package version | AEC-Q100 compliant | resolution | Interface | VDD (interface) (V) | watchdog timer | Programmable alarm | countdown timer | VDD (clock) (V) | Leap year tracking | IDD (nA) | temperature compensation | Tamb (Cel) |
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PCA21125T/Q900/1 | Active |
Product ID | Package Description | Outline Version | Reflow/Wave Soldering | Packing | Product Status | Part NumberOrdering code(12NC) | Marking | Chemical Content | RoHS / Pb Free / RHF | LeadFree Conversion Date | IFR(FIT) | MTBF(hour) | MSL | MSL LF |
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PCA21125T/Q900/1 | SOT402-1 | SSOP-TSSOP-VSO-WAVE | Reel 13" Q1/T1 | Active | PCA21125T/Q900/1,1 (9352 904 08118) | PC21125 | PCA21125T/Q900/1 | Always Pb-free | 5 | 2E8 | 1 | 1 |