NXP USA Inc. PCA2129T/Q900/2,51
IC RTC CLOCK/CALENDAR I2C 16SO
Answer first: this page is a purchasing reference for the exact part number PCA2129T/Q900/2,51 from NXP USA Inc.. Use it to start datasheet, package, manufacturer and RFQ verification; do not treat page text as a live stock, price or lead-time promise.
Key Parameters
| Part Number | PCA2129T/Q900/2,51 |
|---|---|
| Manufacturer | NXP USA Inc. |
| Category | Real Time Clocks |
| package | 16-SOIC (0.295", 7.50mm Width) |
| series | - |
| packaging | Tape & Reel (TR) |
| product status | Active |
| param 1 | Not Verified |
| param 2 | Clock/Calendar |
| param 3 | Alarm, Leap Year, Square Wave Output, TCXO/Crystal, Watchdog Timer |
| param 4 | - |
| param 5 | HH:MM:SS (12/24 hr) |
| param 6 | YY-MM-DD-dd |
| param 7 | I2C, 2-Wire Serial |
| param 8 | 1.8V ~ 4.2V |
| param 9 | 1.8V ~ 4.2V |
| param 10 | 1.5µA @ 3.3V |
| param 11 | -40°C ~ 85°C |
| param 12 | Surface Mount |
| param 13 | - |
| param 14 | - |
| param 15 | 16-SO |
Parameters are provided for purchasing review. Confirm package, suffix, lifecycle status, datasheet revision and approved substitutes before ordering.
How to Verify PCA2129T/Q900/2,51 Before Ordering
Datasheet and parameter checks
- Confirm the full manufacturer part number, not only a shortened search keyword.
- Compare package, pinout, dimensions, voltage or rating fields, temperature range and compliance wording against the released BOM.
- Use the manufacturer datasheet or drawing for electrical and mechanical limits before approving a substitute.
RFQ fields SENICO needs
- Send exact part number, manufacturer, quantity, target delivery date, destination and required packaging.
- State whether alternates are allowed, and list any date-code, certificate, traceability or customer AVL requirement.
- Keep exact stock, factory lead time and proposed alternatives in separate quote lanes.
For PCA2129T/Q900/2,51, SENICO recommends checking manufacturer marking, package, date code, requested quantity, approved vendor requirements and replacement risk before issuing a purchase order. If a supplier suggests an equivalent, record the changed fields and approval owner before comparing price.
We do not treat displayed data as a real-time stock or price commitment. The RFQ reply is the verified commercial reference.
Related buying guides: stock and lead-time verification, equivalent IC comparison, and BOM RFQ preparation.