HEF4894BT/Q100,118
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

PCF2129AT/2,518

DigiKey Part Number
568-9817-2-ND - Tape & Reel (TR)
568-9817-1-ND - Cut Tape (CT)
568-9817-6-ND - Digi-Reel®
Manufacturer
NXP USA Inc.
Manufacturer Product Number
PCF2129AT/2,518
Description
IC RTC CLOCK/CALENDAR I2C 20SO
Customer Reference
Detailed Description
Real Time Clock (RTC) IC Clock/Calendar I2C, 2-Wire Serial 20-SOIC (0.295", 7.50mm Width)
Datasheet
 Datasheet
Product Attributes
Type
Description
Select All
Category
Manufacturer
NXP USA Inc.
Series
-
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Part Status
Last Time Buy
DigiKey Programmable
Not Verified
Type
Clock/Calendar
Features
Alarm, Leap Year, Square Wave Output, TCXO/Crystal, Watchdog Timer
Memory Size
-
Time Format
HH:MM:SS (12/24 hr)
Date Format
YY-MM-DD-dd
Interface
I2C, 2-Wire Serial
Voltage - Supply
1.8V ~ 4.2V
Voltage - Supply, Battery
1.8V ~ 4.2V
Current - Timekeeping (Max)
1.5µA @ 3.3V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
20-SOIC (0.295", 7.50mm Width)
Supplier Device Package
20-SO
Base Product Number
PCF2129
Product Questions and Answers

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In-Stock: 10.095
Check for Additional Incoming Stock
Last Time Buy Date: 13/4/2026
Quantity
All prices are in EUR
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
14,63000 €4,63 €
103,53500 €35,35 €
253,26200 €81,55 €
1002,96170 €296,17 €
2502,81856 €704,64 €
5002,73230 €1.366,15 €
1.0002,66128 €2.661,28 €
* All Digi-Reel orders will add a 5,50 € reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
2.0002,60285 €5.205,70 €
Manufacturers Standard Package
Unit Price without VAT:4,63000 €
Unit Price with VAT:5,74120 €
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