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參數(shù)資料
| 型號： | DS1394U-33+T&R |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 12/26頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC RTC SPI 3WIRE W/CHRGR 10-MSOP |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 3,000 |
| 類型： | 時鐘/日歷 |
| 特點： | 警報器，閏年，方波輸出，涓流充電器 |
| 時間格式： | HH:MM:SS:hh（12/24 小時） |
| 數(shù)據(jù)格式： | YY-MM-DD-dd |
| 接口： | SPI |
| 電源電壓： | 2.97 V ~ 5.5 V |
| 電壓 - 電源，電池： | 1.3 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 10-TFSOP，10-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 10-µMAX |
| 包裝： | 帶卷 (TR) |
DS1390–DS1394
Low-Voltage SPI/3-Wire RTCs with
Trickle Charger
2
Maxim Integrated
ABSOLUTE MAXIMUM RATINGS
RECOMMENDED DC OPERATING CONDITIONS
(VCC = VCC(MIN) to VCC(MAX), TA = -40°C to +85°C, unless otherwise noted. Typical values are at nominal supply voltage and TA = +25°C,
unless otherwise noted.) (Note 1)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Voltage Range on VCC Pin Relative to Ground .....-0.3V to +6.0V
Voltage Range on Inputs Relative
to Ground ...............................................-0.3V to (VCC + 0.3V)
Operating Temperature Range ...........................-40
°C to +85°C
Storage Temperature Range .............................-55°C to +125°C
Soldering Temperature...........................Refer to the IPC/JEDEC
J-STD-020 Specification.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DS139x-33
2.97
3.3
5.50
DS139x-3
2.7
3.0
3.3
Supply Voltage (Note 2)
VCC
DS139x-18
1.71
1.8
1.89
V
Logic 1
VIH
(Note 2)
0.7 x
VCC
VCC +
0.5
V
Logic 0
VIL
(Note 2)
-0.3
+0.3 x
VCC
V
Supply Voltage, Pullup
SQW/
INT, SQW, INT, VCC = 0V
VPU
(Note 2)
5.5
V
-33
1.3
3.0
VCC(MAX)
-3
1.3
3.0
3.7
VBACKUP Voltage (Note 2)
VBACKUP
-18
1.3
3.0
3.7
V
-33
2.70
2.88
2.97
-3
2.45
2.6
2.70
Power-Fail Voltage (Note 2)
VPF
-18
1.51
1.6
1.71
V
R1
(Notes 3, 4)
250
R2
(Notes 3, 5)
2000
Trickle-Charge Current-Limiting
Resistors
R3
(Notes 3, 6)
4000
Input Leakage
ILI
(Note 7)
-1
+1
A
I/O Leakage
ILO
(Note 8)
-1
+1
A
RST Pin I/O Leakage
ILORST
(Note 9)
-200
+10
A
-33, -3 (VOH = 0.85 x VCC)
-1
DOUT Logic 1 Output
IOHDOUT
-18 (VOH = 0.80 x VCC)
0.750
mA
-33, -3 (VOL = 0.15 x VCC)
3
DOUT Logic 0 Output
IOHDOUT
-18 (VOL = 0.20 x VCC)
2
mA
VCC > 1.71V; VOL = 0.4V
3.0
mA
Logic 0 Output
(DS1390/DS1393/DS1394
SQW/
INT; DS1392 SQW, INT;
DS1391/DS1393
RST)
IOLSIR
1.3V < VCC < 1.71V; VOL = 0.4V
250
A
-33
2
-3
2
mA
VCC Active Supply Current
(Note 10)
ICCA
-18
500
A
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