- Series :
- Part Status :
- Operating Temperature :
- Mounting Type :
- Features :
-
- Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, TCXO/Crystal, Trickle-Charger (3)
- Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID (20)
- Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer (40)
- Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Watchdog Timer (8)
- Alarm, Leap Year (20)
- Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger (44)
- Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer (8)
- Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer (2)
- Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger (16)
- Alarm, Leap Year, NVSRAM, Trickle-Charger (16)
- Alarm, Leap Year, NVSRAM, Y2K (3)
- Alarm, Leap Year, Square Wave Output (3)
- Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal (8)
- Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer (21)
- Alarm, Leap Year, Square Wave Output, Trickle-Charger (19)
- Alarm, Leap Year, Square Wave Output, Watchdog Timer (28)
- Alarm, Leap Year, SRAM (9)
- Alarm, Leap Year, SRAM, Trickle-Charger (6)
- Alarm, Leap Year, SRAM, Trickle-Charger, Watchdog Timer (12)
- Alarm, Leap Year, SRAM, Watchdog Timer (3)
- Alarm, Leap Year, Trickle-Charger (6)
- Alarm, Watchdog Timer (3)
- Package / Case :
-
- 10-SMD Module (6)
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) (33)
- 10-WFDFN Exposed Pad (6)
- 10-XFDFN Exposed Pad (3)
- 12-TFSOJ (0.094", 2.40mm Width) (1)
- 14-SOIC (0.154", 3.90mm Width) (24)
- 14-SOIC (0.197", 5.00mm Width) (2)
- 14-SOIC (0.209", 5.30mm Width) (6)
- 14-SSOP (0.209", 5.30mm Width) (3)
- 14-TSSOP (0.173", 4.40mm Width) (33)
- 14-WFDFN Exposed Pad (24)
- 16-DIP (0.300", 7.62mm) (10)
- 16-LQFN (6)
- 16-SOIC (0.154", 3.90mm Width) (4)
- 16-SOIC (0.295", 7.50mm Width) (4)
- 16-VFQFN Exposed Pad (28)
- 16-VQFN Exposed Pad (9)
- 18-SOX, 18-SOIC with Crystal (7.5mm Width) (12)
- 20-LSSOJ (0.213", 5.40mm Width) (1)
- 20-SOIC (0.295", 7.50mm Width) (12)
- 20-TSSOP (0.173", 4.40mm Width) (44)
- 22-LFDFN (3)
- 22-SMD, 20 Leads, Flat Leads (5)
- 24-SOP (0.213", 5.40mm Width) (3)
- 28-SOIC (0.295", 7.50mm Width) (2)
- 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets (4)
- 8-WDFN Exposed Pad (7)
- Die (4)
- Supplier Device Package :
-
- 10-DFN (2.6x2.6) (3)
- 10-MSOP (14)
- 10-TDFN (3x3) (6)
- 10-uMAX (13)
- 10-µSOP (6)
- 12-VSOJ (1)
- 14-SOIC (24)
- 14-SOP (11)
- 14-TDFN-EP (3x3) (24)
- 14-TSSOP (33)
- 16-HVQFN (3x3) (4)
- 16-PDIP (10)
- 16-QFN (3x3) (24)
- 16-QFN (4x4) (9)
- 16-QFN (5x5) (6)
- 16-SO (4)
- 16-SOIC (4)
- 18-SOX (12)
- 20-SOIC (12)
- 20-TSSOP (44)
- 20-VSOJ (1)
- 22-SON (5)
- 22-SON (5x6) (3)
- 24-SOP (3)
- 28-SOH (4)
- 28-SOX (2)
- 8-TDFN (3x3) (7)
- Module (6)
- Voltage - Supply :
-
- 0.9 V ~ 5.5 V (3)
- 1.1 V ~ 5.5 V (3)
- 1.4 V ~ 5.5 V (9)
- 1.6 V ~ 5.5 V (29)
- 1.7 V ~ 3.6 V (24)
- 1.7 V ~ 5.5 V (7)
- 1.71 V ~ 1.89 V (2)
- 1.71 V ~ 5.5 V (16)
- 1.8 V ~ 3.6 V (44)
- 2 V ~ 5.5 V (79)
- 2.38 V ~ 5.5 V (7)
- 2.4 V ~ 5.5 V (1)
- 2.5 V ~ 5.5 V (9)
- 2.7 V ~ 3.3 V (4)
- 2.7 V ~ 3.6 V (2)
- 2.7 V ~ 5.5 V (31)
- 2.97 V ~ 5.5 V (13)
- 3 V ~ 5.5 V (19)
- 3 V ~ 6 V (10)
- Current - Timekeeping (Max) :
-
- 0.17µA ~ 0.22µA @ 1.8V ~ 3V (24)
- 0.33µA ~ 0.38µA @ 2V ~ 5V (10)
- 0.35µA ~ 0.4µA @ 2V ~ 5V (3)
- 0.5µA ~ 1µA @ 3V ~ 5V (3)
- 0.6µA @ 3.3V (3)
- 0.7µA ~ 0.8µA @ 2V ~ 5V (4)
- 0.8µA ~ 1.2µA @ 3V ~ 5V (5)
- 1.05µA ~ 4.2µA @ 2V ~ 5V (3)
- 1.2µA ~ 1.8µA @ 3V ~ 5V (7)
- 1.4mA @ 2.7V ~ 3.6V (2)
- 1.4mA @ 2.7V ~ 5.5V (8)
- 1.5µA ~ 2.2µA @ 1.4V ~ 5V (3)
- 1.8µA @ 2V ~ 5V (2)
- 100µA @ 1.71V ~ 1.89V (2)
- 10µA @ 5.5V (21)
- 120µA ~ 160µA @ 3.63V ~ 5.5V (20)
- 125µA @ 2.7V ~ 3.3V (4)
- 175µA @ 2.97V ~ 5.5V (13)
- 1µA @ 1.8V ~ 3.6V (20)
- 1µA @ 1.8V ~ 5.5V (48)
- 1µA @ 3V ~ 5V (3)
- 2.1µA ~ 3.4µA @ 3V ~ 5V (6)
- 2.5µA @ 3V (1)
- 20µA ~ 500µA @ 5V (10)
- 25.3µA ~ 81µA @ 2V ~ 5V (32)
- 30.3µA @ 2V ~ 5V (3)
- Applied Filters :
298 products
IMAGE | PART NO. | PRICE | QUANTITY | STOCK | MANUFACTURE | DESCRIPTION | Series | Part Status | Packaging | Operating Temperature | Mounting Type | Features | Package / Case | Type | Interface | Supplier Device Package | Voltage - Supply | Memory Size | Time Format | Date Format | Voltage - Supply, Battery | Current - Timekeeping (Max) | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
GET PRICE |
1,189
In-stock
|
Maxim Integrated | IC RTC CLK/CALENDAR SPI 8-TDFN | - | Obsolete | Digi-Reel® | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, NVSRAM, Y2K | 8-WDFN Exposed Pad | Clock/Calendar | SPI | 8-TDFN (3x3) | 2 V ~ 5.5 V | 31B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | - | 1.05µA ~ 4.2µA @ 2V ~ 5V | |||
|
GET PRICE |
1,162
In-stock
|
Maxim Integrated | IC RTC CLK/CALENDAR SPI 8-TDFN | - | Obsolete | Cut Tape (CT) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, NVSRAM, Y2K | 8-WDFN Exposed Pad | Clock/Calendar | SPI | 8-TDFN (3x3) | 2 V ~ 5.5 V | 31B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | - | 1.05µA ~ 4.2µA @ 2V ~ 5V | |||
|
GET PRICE |
2,473
In-stock
|
Maxim Integrated | IC RTC CLK/CALENDAR SPI 8-TDFN | - | Obsolete | Tape & Reel (TR) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, NVSRAM, Y2K | 8-WDFN Exposed Pad | Clock/Calendar | SPI | 8-TDFN (3x3) | 2 V ~ 5.5 V | 31B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | - | 1.05µA ~ 4.2µA @ 2V ~ 5V | |||
|
GET PRICE |
3,545
In-stock
|
STMicroelectronics | IC RTC CLK/CALENDAR SPI 16-SOIC | - | Obsolete | Tube | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer | 16-SOIC (0.154", 3.90mm Width) | Clock/Calendar | SPI | 16-SO | 2.7 V ~ 5.5 V | 44B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 2.5 V ~ 3.5 V | 1.4mA @ 2.7V ~ 5.5V | |||
|
GET PRICE |
2,512
In-stock
|
Intersil | IC RTC CLK/CALENDAR SPI 16-SOIC | - | Obsolete | Tube | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Square Wave Output, Watchdog Timer | 16-SOIC (0.295", 7.50mm Width) | Clock/Calendar | SPI | 16-SOIC | 3 V ~ 6 V | 32B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 2.2 V ~ 6 V | 20µA ~ 500µA @ 5V | |||
|
GET PRICE |
2,805
In-stock
|
Intersil | IC RTC CLK/CALENDAR SPI 20-SOIC | - | Obsolete | Tube | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Square Wave Output, Watchdog Timer | 20-SOIC (0.295", 7.50mm Width) | Clock/Calendar | SPI | 20-SOIC | 3 V ~ 6 V | 32B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 2.2 V ~ 6 V | 20µA ~ 500µA @ 5V | |||
|
GET PRICE |
3,638
In-stock
|
Intersil | IC RTC CLK/CALENDAR SPI 16-DIP | - | Obsolete | Tube | -40°C ~ 85°C | Through Hole | Alarm, Leap Year, Square Wave Output, Watchdog Timer | 16-DIP (0.300", 7.62mm) | Clock/Calendar | SPI | 16-PDIP | 3 V ~ 6 V | 32B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 2.2 V ~ 6 V | 20µA ~ 500µA @ 5V | |||
|
GET PRICE |
735
In-stock
|
STMicroelectronics | IC RTC CLK/CALENDAR SPI 28-SOIC | - | Obsolete | Tube | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Clock/Calendar | SPI | 28-SOH | 2.7 V ~ 5.5 V | 44B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 2.5 V ~ 3.5 V | 1.4mA @ 2.7V ~ 5.5V | |||
|
GET PRICE |
811
In-stock
|
STMicroelectronics | IC RTC CLK/CALENDAR SPI 28-SOIC | - | Obsolete | Tube | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer | 28-SOIC (0.295", 7.50mm Width) | Clock/Calendar | SPI | 28-SOX | 2.7 V ~ 3.6 V | 44B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 2.5 V ~ 3.5 V | 1.4mA @ 2.7V ~ 3.6V | |||
|
GET PRICE |
822
In-stock
|
Maxim Integrated | IC RTC CLK/CALENDAR SPI 20-TSSOP | - | Obsolete | Tape & Reel (TR) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger | 20-TSSOP (0.173", 4.40mm Width) | Clock/Calendar | SPI | 20-TSSOP | 2 V ~ 5.5 V | 96B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 2 V ~ 5.5 V | 25.3µA ~ 81µA @ 2V ~ 5V | |||
|
GET PRICE |
620
In-stock
|
Maxim Integrated | IC RTC CLK/CALENDAR SPI 20-TSSOP | - | Active | Tape & Reel (TR) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, NVSRAM, Trickle-Charger | 20-TSSOP (0.173", 4.40mm Width) | Clock/Calendar | SPI | 20-TSSOP | 2 V ~ 5.5 V | 96B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 2 V ~ 5.5 V | 25.3µA ~ 81µA @ 2V ~ 5V | |||
|
GET PRICE |
1,254
In-stock
|
Maxim Integrated | IC RTC CLK/CALENDAR SPI 20-TSSOP | - | Obsolete | Tape & Reel (TR) | 0°C ~ 70°C | Surface Mount | Alarm, Leap Year, NVSRAM, Trickle-Charger | 20-TSSOP (0.173", 4.40mm Width) | Clock/Calendar | SPI | 20-TSSOP | 2 V ~ 5.5 V | 96B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 2 V ~ 5.5 V | 25.3µA ~ 81µA @ 2V ~ 5V | |||
|
GET PRICE |
1,180
In-stock
|
Maxim Integrated | IC RTC CLK/CALENDAR SPI 20-TSSOP | - | Obsolete | Tape & Reel (TR) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger | 20-TSSOP (0.173", 4.40mm Width) | Clock/Calendar | SPI | 20-TSSOP | 2 V ~ 5.5 V | 96B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 2 V ~ 5.5 V | 25.3µA ~ 81µA @ 2V ~ 5V | |||
|
GET PRICE |
3,364
In-stock
|
Maxim Integrated | IC RTC CLK/CALENDAR SPI 16-DIP | - | Obsolete | Tube | 0°C ~ 70°C | Through Hole | Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger | 16-DIP (0.300", 7.62mm) | Clock/Calendar | SPI | 16-PDIP | 2 V ~ 5.5 V | 96B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 2 V ~ 5.5 V | 25.3µA ~ 81µA @ 2V ~ 5V | |||
|
GET PRICE |
1,778
In-stock
|
Maxim Integrated | IC RTC CLK/CALENDAR SPI 16-DIP | - | Active | Tube | -40°C ~ 85°C | Through Hole | Alarm, Leap Year, NVSRAM, Trickle-Charger | 16-DIP (0.300", 7.62mm) | Clock/Calendar | SPI | 16-PDIP | 2 V ~ 5.5 V | 96B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 2 V ~ 5.5 V | 25.3µA ~ 81µA @ 2V ~ 5V | |||
|
GET PRICE |
1,052
In-stock
|
Maxim Integrated | IC RTC CLK/CALENDAR SPI 16-DIP | - | Obsolete | Tube | -40°C ~ 85°C | Through Hole | Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger | 16-DIP (0.300", 7.62mm) | Clock/Calendar | SPI | 16-PDIP | 2 V ~ 5.5 V | 96B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 2 V ~ 5.5 V | 25.3µA ~ 81µA @ 2V ~ 5V | |||
|
GET PRICE |
2,671
In-stock
|
EPSON | IC RTC CLK/CALENDAR SPI 14-SOP | - | Active | Digi-Reel® | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year | 14-SOIC (0.209", 5.30mm Width) | Clock/Calendar | SPI | 14-SOP | 1.7 V ~ 5.5 V | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | - | 1.2µA ~ 1.8µA @ 3V ~ 5V | |||
|
2,657
In-stock
|
EPSON | IC RTC CLK/CALENDAR SPI 14-SOP | - | Active | Cut Tape (CT) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year | 14-SOIC (0.209", 5.30mm Width) | Clock/Calendar | SPI | 14-SOP | 1.7 V ~ 5.5 V | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | - | 1.2µA ~ 1.8µA @ 3V ~ 5V | ||||
|
2,083
In-stock
|
EPSON | IC RTC CLK/CALENDAR SPI 14-SOP | - | Active | Tape & Reel (TR) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year | 14-SOIC (0.209", 5.30mm Width) | Clock/Calendar | SPI | 14-SOP | 1.7 V ~ 5.5 V | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | - | 1.2µA ~ 1.8µA @ 3V ~ 5V | ||||
|
GET PRICE |
3,425
In-stock
|
STMicroelectronics | IC RTC CLK/CALENDAR SPI 18-SOX | - | Active | Digi-Reel® | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 18-SOX, 18-SOIC with Crystal (7.5mm Width) | Clock/Calendar | SPI | 18-SOX | 3 V ~ 5.5 V | 7B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 1.8 V ~ 5.5 V | 10µA @ 5.5V | |||
|
3,733
In-stock
|
STMicroelectronics | IC RTC CLK/CALENDAR SPI 18-SOX | - | Active | Cut Tape (CT) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 18-SOX, 18-SOIC with Crystal (7.5mm Width) | Clock/Calendar | SPI | 18-SOX | 3 V ~ 5.5 V | 7B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 1.8 V ~ 5.5 V | 10µA @ 5.5V | ||||
|
1,489
In-stock
|
STMicroelectronics | IC RTC CLK/CALENDAR SPI 18-SOX | - | Active | Tape & Reel (TR) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 18-SOX, 18-SOIC with Crystal (7.5mm Width) | Clock/Calendar | SPI | 18-SOX | 3 V ~ 5.5 V | 7B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 1.8 V ~ 5.5 V | 10µA @ 5.5V | ||||
|
GET PRICE |
3,979
In-stock
|
STMicroelectronics | IC RTC CLK/CALENDAR SPI 18-SOX | - | Active | Digi-Reel® | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 18-SOX, 18-SOIC with Crystal (7.5mm Width) | Clock/Calendar | SPI | 18-SOX | 2.7 V ~ 5.5 V | 7B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 1.8 V ~ 5.5 V | 10µA @ 5.5V | |||
|
902
In-stock
|
STMicroelectronics | IC RTC CLK/CALENDAR SPI 18-SOX | - | Active | Cut Tape (CT) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 18-SOX, 18-SOIC with Crystal (7.5mm Width) | Clock/Calendar | SPI | 18-SOX | 2.7 V ~ 5.5 V | 7B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 1.8 V ~ 5.5 V | 10µA @ 5.5V | ||||
|
899
In-stock
|
STMicroelectronics | IC RTC CLK/CALENDAR SPI 18-SOX | - | Active | Tape & Reel (TR) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 18-SOX, 18-SOIC with Crystal (7.5mm Width) | Clock/Calendar | SPI | 18-SOX | 2.7 V ~ 5.5 V | 7B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 1.8 V ~ 5.5 V | 10µA @ 5.5V | ||||
|
GET PRICE |
3,275
In-stock
|
STMicroelectronics | IC RTC CLK/CALENDAR SPI 16-QFN | - | Active | Digi-Reel® | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 16-VQFN Exposed Pad | Clock/Calendar | SPI | 16-QFN (4x4) | 2.7 V ~ 5.5 V | 7B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 1.8 V ~ 5.5 V | 10µA @ 5.5V | |||
|
1,730
In-stock
|
STMicroelectronics | IC RTC CLK/CALENDAR SPI 16-QFN | - | Active | Cut Tape (CT) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 16-VQFN Exposed Pad | Clock/Calendar | SPI | 16-QFN (4x4) | 2.7 V ~ 5.5 V | 7B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 1.8 V ~ 5.5 V | 10µA @ 5.5V | ||||
|
3,666
In-stock
|
STMicroelectronics | IC RTC CLK/CALENDAR SPI 16-QFN | - | Active | Tape & Reel (TR) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 16-VQFN Exposed Pad | Clock/Calendar | SPI | 16-QFN (4x4) | 2.7 V ~ 5.5 V | 7B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 1.8 V ~ 5.5 V | 10µA @ 5.5V | ||||
|
3,110
In-stock
|
Microchip Technology | IC RTC CLK/CALENDAR SPI 14-TSSOP | - | Active | Tube | -40°C ~ 85°C | Surface Mount | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | 14-TSSOP (0.173", 4.40mm Width) | Clock/Calendar | SPI | 14-TSSOP | 1.8 V ~ 3.6 V | 64B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | 1.3 V ~ 3.6 V | 1µA @ 1.8V ~ 5.5V | ||||
|
1,436
In-stock
|
Microchip Technology | IC RTC CLK/CALENDAR SPI 14-SOIC | - | Active | Tube | -40°C ~ 85°C | Surface Mount | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | 14-SOIC (0.154", 3.90mm Width) | Clock/Calendar | SPI | 14-SOIC | 1.8 V ~ 3.6 V | 64B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | 1.3 V ~ 3.6 V | 1µA @ 1.8V ~ 5.5V |