Real Time Clock I2C GP RTCC 64B SRAM
MCP7940N-I/ST
Microchip Technology
1:
$0.90
200 In Stock
500 Expected 26/10/2026
Mouser Part No
579-MCP7940N-I/ST
Microchip Technology
Real Time Clock I2C GP RTCC 64B SRAM
200 In Stock
500 Expected 26/10/2026
Alternative Packaging
1
$0.90
25
$0.83
100
$0.80
Buy
Min.: 1
Mult.: 1
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
64 B
TSSOP-8
Backup Switching
1.8 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Tube
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID
MCP79410-I/ST
Microchip Technology
1:
$1.08
954 In Stock
Mouser Part No
579-MCP79410-I/ST
Microchip Technology
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID
954 In Stock
Alternative Packaging
1
$1.08
25
$1.01
100
$0.963
Buy
Min.: 1
Mult.: 1
Details
I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
64 B
TSSOP-8
Backup Switching
1.8 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Tube
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48
MCP79411-I/MS
Microchip Technology
1:
$1.18
1,011 In Stock
Mouser Part No
579-MCP79411IMS
Microchip Technology
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48
1,011 In Stock
Alternative Packaging
1
$1.18
25
$1.08
100
$1.03
Buy
Min.: 1
Mult.: 1
Details
I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
64 B
MSOP-8
Backup Switching
1.8 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Tube
Real Time Clock SPI GP RTCC 1Kb EE 64B SRAM ID
MCP79510-I/MS
Microchip Technology
1:
$1.29
849 In Stock
1,500 On Order
Mouser Part No
579-MCP79510-I/MS
Microchip Technology
Real Time Clock SPI GP RTCC 1Kb EE 64B SRAM ID
849 In Stock
1,500 On Order
Alternative Packaging
1
$1.29
25
$1.20
100
$1.13
Buy
Min.: 1
Mult.: 1
Details
SPI
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
1 kB
MSOP-10
Backup Switching
1.8 V
3.6 V
- 40 C
+ 85 C
SMD/SMT
Tube
Real Time Clock SPI GP RTCC 1Kb EE 64B SRAM EUI-48
MCP79511-I/MS
Microchip Technology
1:
$1.39
544 In Stock
Mouser Part No
579-MCP79511-I/MS
Microchip Technology
Real Time Clock SPI GP RTCC 1Kb EE 64B SRAM EUI-48
544 In Stock
Alternative Packaging
1
$1.39
25
$1.28
100
$1.22
Buy
Min.: 1
Mult.: 1
Details
SPI
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
64 B
MSOP-10
Backup Switching
1.8 V
3.6 V
- 40 C
+ 85 C
SMD/SMT
Tube
Real Time Clock SPI GP RTCC 1Kb EE 64B SRAM EUI-64
MCP79512-I/MS
Microchip Technology
1:
$1.39
609 In Stock
Mouser Part No
579-MCP79512-I/MS
Microchip Technology
Real Time Clock SPI GP RTCC 1Kb EE 64B SRAM EUI-64
609 In Stock
Alternative Packaging
1
$1.39
25
$1.28
1,000
$1.22
Buy
Min.: 1
Mult.: 1
Details
SPI
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
64 B
MSOP-10
Backup Switching
1.8 V
3.6 V
- 40 C
+ 85 C
SMD/SMT
Tube
Real Time Clock 1Kb EE 64B SRAM WD TED ID
MCP795W10-I/SL
Microchip Technology
1:
$1.75
210 In Stock
228 Expected 21/09/2026
Mouser Part No
579-MCP795W10-I/SL
Microchip Technology
Real Time Clock 1Kb EE 64B SRAM WD TED ID
210 In Stock
228 Expected 21/09/2026
Alternative Packaging
1
$1.75
25
$1.63
114
$1.54
Buy
Min.: 1
Mult.: 1
Details
SPI
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
1 kB
SOIC-14
Backup Switching
1.8 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Tube
Real Time Clock 1Kb EE 64B SRAM WD TED ID
MCP795W10-I/ST
Microchip Technology
1:
$1.81
15 In Stock
960 On Order
Mouser Part No
579-MCP795W10-I/ST
Microchip Technology
Real Time Clock 1Kb EE 64B SRAM WD TED ID
15 In Stock
960 On Order
Alternative Packaging
Buy
Min.: 1
Mult.: 1
Details
SPI
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
1 kB
TSSOP-14
Backup Switching
1.8 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Tube
Real Time Clock 1Kb EE 64B SRAM WD TED EUI-48
+1 image
MCP795W11-I/ST
Microchip Technology
1:
$1.89
5 In Stock
192 Expected 19/10/2026
Mouser Part No
579-MCP795W11-I/ST
Microchip Technology
Real Time Clock 1Kb EE 64B SRAM WD TED EUI-48
5 In Stock
192 Expected 19/10/2026
Alternative Packaging
1
$1.89
25
$1.75
288
$1.67
Buy
Min.: 1
Mult.: 1
Details
SPI
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
1 kB
TSSOP-14
Backup Switching
1.8 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Tube
Real Time Clock 2Kb EE 64B SRAM WD TED ID
+3 images
MCP795W20-I/SL
Microchip Technology
1:
$1.85
340 In Stock
Mouser Part No
579-MCP795W20-I/SL
Microchip Technology
Real Time Clock 2Kb EE 64B SRAM WD TED ID
340 In Stock
Alternative Packaging
1
$1.85
25
$1.71
114
$1.62
Buy
Min.: 1
Mult.: 1
Details
SPI
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
2 kB
SOIC-14
Backup Switching
1.8 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Tube
Real Time Clock 2Kb EE 64B SRAM WD TED ID
+1 image
MCP795W20-I/ST
Microchip Technology
1:
$1.89
192 In Stock
Mouser Part No
579-MCP795W20-I/ST
Microchip Technology
Real Time Clock 2Kb EE 64B SRAM WD TED ID
192 In Stock
Alternative Packaging
1
$1.89
25
$1.75
288
$1.67
Buy
Min.: 1
Mult.: 1
Details
SPI
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
2 kB
TSSOP-14
Backup Switching
1.8 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Tube
Real Time Clock 2Kb EE 64B SRAM WD TED EUI-48
MCP795W21-I/SL
Microchip Technology
1:
$1.94
42 In Stock
228 Expected 21/09/2026
Mouser Part No
579-MCP795W21-I/SL
Microchip Technology
Real Time Clock 2Kb EE 64B SRAM WD TED EUI-48
42 In Stock
228 Expected 21/09/2026
Alternative Packaging
1
$1.94
25
$1.80
114
$1.72
Buy
Min.: 1
Mult.: 1
Details
SPI
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
2 kB
SOIC-14
Backup Switching
1.8 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Tube
Real Time Clock 2Kb EE 64B SRAM WD TED EUI-48
MCP795W21-I/ST
Microchip Technology
1:
$1.98
121 In Stock
Mouser Part No
579-MCP795W21-I/ST
Microchip Technology
Real Time Clock 2Kb EE 64B SRAM WD TED EUI-48
121 In Stock
Alternative Packaging
1
$1.98
25
$1.84
288
$1.74
Buy
Min.: 1
Mult.: 1
Details
SPI
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
2 kB
TSSOP-14
Backup Switching
1.8 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Tube
Real Time Clock 2Kb EE 64B SRAM WD TED EUI-64
MCP795W22-I/SL
Microchip Technology
1:
$1.94
5 In Stock
Mouser Part No
579-MCP795W22-I/SL
Microchip Technology
Real Time Clock 2Kb EE 64B SRAM WD TED EUI-64
5 In Stock
Alternative Packaging
1
$1.94
25
$1.80
114
$1.72
Buy
Min.: 1
Mult.: 1
Details
SPI
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
2 kB
SOIC-14
Backup Switching
1.8 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Tube
Real Time Clock Parallel RTC A 595-B Q4802LYPWR A 595-BQ A 595-BQ4802LYPWR
BQ4802LYPW
Texas Instruments
1:
$9.61
50 In Stock
End of Life
Mouser Part No
595-BQ4802LYPW
End of Life
Texas Instruments
Real Time Clock Parallel RTC A 595-B Q4802LYPWR A 595-BQ A 595-BQ4802LYPWR
50 In Stock
Alternative Packaging
1
$9.61
10
$7.48
50
$6.35
100
$6.26
250
View
250
$6.02
500
$5.90
1,000
$5.76
3,000
Quote
Buy
Min.: 1
Mult.: 1
Details
Parallel
YY-MM-DD-dd
HH:MM:SS (24 hr)
16 B
TSSOP-28
Backup Switching
2.7 V
3.6 V
0 C
+ 70 C
BQ4802LY
SMD/SMT
Tube
Real Time Clock Parallel RTC
BQ4802YPW
Texas Instruments
1:
$12.11
76 In Stock
End of Life
Mouser Part No
595-BQ4802YPW
End of Life
Texas Instruments
Real Time Clock Parallel RTC
76 In Stock
Alternative Packaging
1
$12.11
10
$9.49
50
$8.75
100
$8.50
250
View
250
$8.43
500
$8.16
1,000
$8.06
3,000
Quote
Buy
Min.: 1
Mult.: 1
Details
Parallel
YY-MM-DD-dd
HH:MM:SS (24 hr)
16 B
TSSOP-28
Backup Switching
4.5 V
5.5 V
0 C
+ 70 C
BQ4802Y
SMD/SMT
Tube
Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM EUI-48
MCP79521-I/MS
Microchip Technology
1:
$1.48
150 In Stock
Mouser Part No
579-MCP79521-I/MS
Microchip Technology
Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM EUI-48
150 In Stock
Alternative Packaging
1
$1.48
25
$1.37
100
$1.30
Buy
Min.: 1
Mult.: 1
Details
SPI
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
64 B
MSOP-10
Backup Switching
1.8 V
3.6 V
- 40 C
+ 85 C
SMD/SMT
Tube
Real Time Clock SAMAY A 595-BQ32002D R A 595-BQ32002DR A A 595-BQ32002DR
BQ32002D
Texas Instruments
1:
$2.36
441 In Stock
Mouser Part No
595-BQ32002D
Texas Instruments
Real Time Clock SAMAY A 595-BQ32002D R A 595-BQ32002DR A A 595-BQ32002DR
441 In Stock
Alternative Packaging
1
$2.36
10
$1.75
25
$1.52
75
$1.40
300
View
300
$1.33
525
$1.29
1,050
$1.25
2,550
$1.21
5,025
$1.16
Buy
Min.: 1
Mult.: 1
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
SOIC-8
Backup Switching
3 V
3.6 V
- 40 C
+ 85 C
BQ32002
SMD/SMT
Tube
Real Time Clock Timer Control Periph eral A 926-DP8570AV A 926-DP8570AVX/NOPB
DP8570AV/NOPB
Texas Instruments
1:
$53.09
7 In Stock
Mouser Part No
926-DP8570AV/NOPB
Texas Instruments
Real Time Clock Timer Control Periph eral A 926-DP8570AV A 926-DP8570AVX/NOPB
7 In Stock
Alternative Packaging
1
$53.09
10
$43.49
25
$40.63
105
$38.66
280
View
280
$37.70
1,750
Quote
Buy
Min.: 1
Mult.: 1
Details
Parallel
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
32 B
PLCC-28
Backup Switching
4.5 V
5.5 V
- 40 C
+ 85 C
DP8570A
SMD/SMT
Tube
Real Time Clock REAL TIME CLK W/ ALARM DS1337 COMP
ISL12057IUZ
Renesas / Intersil
1:
$2.92
97 In Stock
6,450 On Order
Mouser Part No
968-ISL12057IUZ
Renesas / Intersil
Real Time Clock REAL TIME CLK W/ ALARM DS1337 COMP
97 In Stock
6,450 On Order
View Dates
Alternative Packaging
Stock:
97 Can Dispatch Immediately
On Order:
3,100 Expected 25/01/2027
3,350 Expected 08/03/2027
Factory Lead Time:
22 Weeks
1
$2.92
10
$2.18
50
$1.93
100
$1.78
250
View
250
$1.68
500
$1.63
1,000
$1.55
2,500
$1.51
5,000
$1.48
Buy
Min.: 1
Mult.: 1
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
MSOP-8
No Backup Switching
1.8 V
3.6 V
- 40 C
+ 85 C
ISL12057
SMD/SMT
Tube
Real Time Clock REAL TIME CLK W/ ALARM & TIMR FUNCTNS
ISL12058IBZ
Renesas / Intersil
1:
$2.84
566 In Stock
Mouser Part No
968-ISL12058IBZ
Renesas / Intersil
Real Time Clock REAL TIME CLK W/ ALARM & TIMR FUNCTNS
566 In Stock
Alternative Packaging
1
$2.84
10
$2.12
25
$1.94
100
$1.74
250
View
250
$1.65
500
$1.56
980
$1.51
2,940
$1.46
5,880
$1.44
Buy
Min.: 1
Mult.: 1
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
SOIC-8
No Backup Switching
1.8 V
3.6 V
- 40 C
+ 85 C
ISL12058
SMD/SMT
Tube
Real Time Clock I2C REAL TIME CLOCK/ CALENDAR 8LD
ISL1208IB8Z
Renesas / Intersil
1:
$2.95
137 In Stock
1,200 Expected 25/12/2026
Mouser Part No
968-ISL1208IB8Z
Renesas / Intersil
Real Time Clock I2C REAL TIME CLOCK/ CALENDAR 8LD
137 In Stock
1,200 Expected 25/12/2026
Alternative Packaging
1
$2.95
10
$2.16
25
$1.98
100
$1.78
300
View
300
$1.67
500
$1.64
1,000
$1.58
2,500
$1.52
5,000
$1.50
Buy
Min.: 1
Mult.: 1
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
2 B
SOIC-8
Backup Switching
2.7 V
5.5 V
- 40 C
+ 85 C
ISL1208
SMD/SMT
Tube
Real Time Clock RTC I2c Serial IC 1.8 to 5.5V 32kHz
1337AGDVGI
Renesas Electronics
1:
$2.90
7 In Stock
768 Expected 10/01/2028
Mouser Part No
972-1337AGDVGI
Renesas Electronics
Real Time Clock RTC I2c Serial IC 1.8 to 5.5V 32kHz
7 In Stock
768 Expected 10/01/2028
Alternative Packaging
Buy
Min.: 1
Mult.: 1
Details
MSOP-8
1337AGD
SMD/SMT
Tube
Real Time Clock RTC IC with 114x8 NV SRAM
BQ3285S-SB2
Texas Instruments
1:
$16.84
19 In Stock
End of Life
Mouser Part No
595-BQ3285S-SB2
End of Life
Texas Instruments
Real Time Clock RTC IC with 114x8 NV SRAM
19 In Stock
Alternative Packaging
1
$16.84
10
$13.37
25
$12.50
100
$11.90
250
View
250
$11.35
500
$11.15
Buy
Min.: 1
Mult.: 1
Details
Multiplexed
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
114 B
SOIC-24
Backup Switching
4.5 V
5.5 V
0 C
+ 70 C
BQ3285
SMD/SMT
Tube
Real Time Clock Parallel RTC A 595-B Q4802YDWR A 595-BQ4 A 595-BQ4802YDWR
BQ4802YDW
Texas Instruments
1:
$25.56
7 In Stock
End of Life
Mouser Part No
595-BQ4802YDW
End of Life
Texas Instruments
Real Time Clock Parallel RTC A 595-B Q4802YDWR A 595-BQ4 A 595-BQ4802YDWR
7 In Stock
Alternative Packaging
1
$25.56
10
$20.43
20
$18.44
100
$17.68
260
View
260
$17.28
500
$17.06
Buy
Min.: 1
Mult.: 1
Details
Parallel
YY-MM-DD-dd
HH:MM:SS (24 hr)
16 B
SOIC-28
Backup Switching
4.5 V
5.5 V
0 C
+ 70 C
BQ4802Y
SMD/SMT
Tube