
For Reference Only
Part Number | AB1805-T3 |
OEMstron Part # | AB1805-T3 |
Manufacturer | Abracon |
Category | Semiconductors › Clock & Timer ICs › Real Time Clocks |
Description | IC RTC CLK/CALENDAR I2C 16-QFN |
Lifecycle | Active |
RoHS | No RoHS Information |
EDA/CAD Models | AB1805-T3 PCB Footprint and Symbol |
Warehouses | USA, Europe, China, Hong Kong SAR |
Estimated Delivery | Mar 21 - Mar 26 (Choose Expedited Shipping) |
Warranty | Up to 1 year [Limited-Warranty]* |
Payment | ![]() |
Shipping | ![]() |
AB1805-T3 Specifications
Part Number | AB1805-T3 | |
Brand | Abracon | |
Lifecycle | Active | |
RoHS | No RoHS Information | |
Product Line | Semiconductors | |
Category | Clock & Timer ICs | |
Subcategory | Real Time Clocks | |
Manufacturer | Abracon LLC | |
Series | - | |
Type | Clock/Calendar | |
Features | Alarm, Leap Year, SRAM, Trickle-Charger, Watchdog Timer | |
Memory Size | 256B | |
Time Format | HH:MM:SS:hh | |
Date Format | YY-MM-DD-dd | |
Interface | I²C, 2-Wire Serial | |
Voltage - Supply | 1.7V ~ 3.6V | |
Voltage - Supply, Battery | 1.5V ~ 3.6V | |
Current - Timekeeping (Max) | 0.17µA ~ 0.22µA @ 1.8V ~ 3V | |
Operating Temperature | -40°C ~ 85°C | |
Mounting Type | Surface Mount | |
Package / Case | 16-VFQFN Exposed Pad | |
Supplier Device Package | 16-QFN (3x3) |
AB1805-T3 Documents

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Part Number | Description | Stock |
AB1805-T3 D# E54:1762_07366129 Abracon Corporation |
Real Time Clock Serial (3-Wire, 4-Wire, SPI) Clock/Calendar/Alarm/Timer/Interrupt 16-Pin QFN EP T/R RoHS: Compliant
|
Europe - 6000 |
Part Number | Description | Stock |
AB1805-T3 D# AB1805-T3 Abracon Corporation |
Real Time Clock (RTC) IC Clock/Calendar 256B I²C, 2-Wire Serial 16VFQFN Exposed Pad - Cut TR (SOS) (Alt: AB1805-T3) |
Americas - 17 |
Part Number | Description | Stock |
AB1805-T3 D# AB1805-T3 Abracon Corporation |
Real Time Clock (RTC) IC Clock/Calendar 256B I²C, 2-Wire Serial 16VFQFN Exposed Pad (Alt: AB1805-T3) |
Asia - 0 |
Part Number | Description | Stock |
AB1805-T3 D# AB1805-T3 Abracon Corporation |
Real Time Clock (RTC) IC Clock/Calendar 256B I²C, 2-Wire Serial 16VFQFN Exposed Pad - Tape and Reel (Alt: AB1805-T3) |
Europe - 0 |
Part Number | Description | Stock |
AB1805-T3 Abracon Corporation |
229 |
Part Number | Description | Stock |
AB1805-T3 Abracon Corporation |
IC RTC CLK/CALENDAR I2C 16-QFN |
15000 |
Part Number | Description | Stock |
AB1805-T3 D# 535-11932-1-ND Abracon Corporation |
IC RTC CLK/CALENDAR I2C 16-QFN |
9555 In Stock |
Part Number | Description | Stock |
AB1805-T3 D# 2467703RL Abracon Corporation |
REAL TIME CLOCK, I2C, QFN-16 RoHS: Compliant
Min Qty: 5
Container: Reel
|
0 |
Part Number | Description | Stock |
AB1805T3 Abracon Corporation |
OEM/CM QUOTES ONLY | NO BROKERS |
31740 |
Part Number | Description | Stock |
AB1805-T3 Abracon Corporation |
In Stock |
229 |
Part Number | Description | Stock |
AB1805-T3 Abracon Corporation |
Real Time Clock - 32.768kHz - Programmable Counters & Alarms - 4 outputs - I²C Interface - 1.5 to 3.6 VDC - 16 Lead QFN - Tape&Reel RoHS: Compliant
|
1880 In Stock |
Part Number | Description | Stock |
AB1805-T3 D# 815-AB1805-T3 Abracon Corporation |
Real Time Clock IC RTC CLK/CALENDAR I2C 16-QFN RoHS: Compliant
|
2219 |
Part Number | Description | Stock |
AB1805-T3 D# 47W0938 Abracon Corporation |
IC RTC CLK/CALENDAR I2C 16-QFN / Tape & Reel (TR) / ABRACON RoHS Compliant: Yes RoHS: Compliant
Min Qty: 3000
Container: TAPE & REEL - FULL
|
0 |
Part Number | Description | Stock |
AB1805-T3 D# NS-AB1805-T3 Abracon Corporation |
OEM/CM ONLY |
3096 |
Part Number | Description | Stock |
AB1805-T3 Abracon Corporation |
Real Time Clock - 32.768kHz - Programmable Counters & Alarms - 4 outputs - I²C Interface - 1.5 to 3.6 VDC - 16 Lead QFN - Tape&Reel RoHS: Compliant
|
1880 In Stock |
Part Number | Description | Stock |
AB1805-T3 D# 1710196 Abracon Corporation |
Abracon AB1805-T3, Real Time Clock 16-VFQFN, RL Min Qty: 3000
Container: Reel
|
840 |
Part Number | Description | Stock |
AB1805-T3 D# 000000000003904574 Abracon Corporation |
Real Time Clock Interface I2C HH:MM:SS:hh 12/24 hr |
0 |
Part Number | Description | Stock |
AB1805T3 ABRACON CORPORATION |
OEM/CM ONLY |
251 |
Part Number | Description | Stock |
AB1805-T3 D# 53723214 Abracon Corporation |
Real Time Clock Serial (3-Wire, 4-Wire, SPI) Clock/Calendar/Alarm/Timer/Interrupt 16-Pin QFN EP T/R RoHS: Compliant
|
Americas - 51000 |
Part Number | Description | Stock |
AB1805-T3 D# 2467703 Abracon Corporation |
REAL TIME CLOCK, I2C, QFN-16 RoHS: Compliant
Min Qty: 1
Container: Cut Tape
|
4525 |
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