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: 8,092
Check for Additional Incoming Stock
Last Time Buy Date: 4/13/2026
Quantity
All prices are in CHF
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1Fr.4.32000Fr.4.32
10Fr.3.29800Fr.32.98
25Fr.3.04400Fr.76.10
100Fr.2.76380Fr.276.38
250Fr.2.63016Fr.657.54
500Fr.2.54968Fr.1,274.84
1,000Fr.2.48341Fr.2,483.41
* All Digi-Reel orders will add a Fr.7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
2,000Fr.2.42888Fr.4,857.76
Manufacturers Standard Package
Unit Price without VAT:Fr.4.32000
Unit Price with VAT:Fr.4.66992
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