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參數(shù)資料
| 型號： | DS1501YZ+T&R |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 12/22頁 |
| 文件大小： | 0K |
| 描述： | IC RTC WDOG Y2KC 5.0V 28-SOIC |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 1,000 |
| 類型： | 時鐘/日歷 |
| 特點： | 警報器，閏年，NVSRAM，方波輸出，監(jiān)視計時器，Y2K |
| 存儲容量： | 256B |
| 時間格式： | HH:MM:SS（24 小時） |
| 數(shù)據(jù)格式： | YY-MM-DD-dd |
| 接口： | 并聯(lián) |
| 電源電壓： | 4.5 V ~ 5.5 V |
| 電壓 - 電源，電池： | 2.5 V ~ 3.7 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-SOIC（0.295"，7.50mm 寬） |
| 供應商設(shè)備封裝： | 28-SOIC W |
| 包裝： | 帶卷 (TR) |
DS1501/DS1511 Y2KC Watchdog Real-Time Clocks
2 of 22
ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground….…………………………………………………..……....-0.5V to +6.0V
Operating Temperature Range
DS1501………………………………………………………….………………………………….-40°C to +85°C (Note 1)
DS1511……………………………………………………………….………………………………………...0°C to +70°C
Storage Temperature Range
DS1501…………………...………………………………………………………………………………...-55°C to +125°C
DS1511………………………………………………………………….…………………………………....-40°C to +70°C
Lead Temperature (soldering, 10 seconds)…..………...………………………………………...……..…………..+260°C
Note: EDIP is hand or wave-soldered only. (Note 2)
Soldering Temperature (reflow, SO or TSOP)…….………….….......................................................................+260°C
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 the absolute maximum rating conditions for extended periods may affect device reliability.
RECOMMENDED DC OPERATING CONDITIONS
(DS1511: VCC = 3.3V or 5V ±10%, TA = 0°C to +70°C; DS1501: VCC = 3.3V or 5V ±10%, TA = -40°C to +85°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Power Supply Voltage (Note 3)
VCC
5V (Y)
4.5
5.0
5.5
V
3.3V (W)
3.0
3.3
3.6
Logic 1 Voltage All Inputs (Note 3)
VIH
Y
2.2
VCC + 0.3
V
W
2.0
VCC + 0.3
Pullup Voltage, IRQ, PWR, and
RST Outputs (Note 3)
VPU
5.5
V
Logic 0 Voltage All Inputs (Note 3)
VIL
Y
-0.3
+0.8
V
W
-0.3
+0.6
Battery Voltage (Note 3)
VBAT
2.5
3.0
3.7
V
Auxiliary Battery Voltage (Note 3)
VBAUX
Y
2.5
3.0
5.3
V
W
2.5
3.0
3.7
DC ELECTRICAL CHARACTERISTICS
(DS1511: VCC = 3.3V or 5V ±10%, TA = 0°C to +70°C; DS1501: VCC = 3.3V or 5V ±10%, TA = -40°C to +85°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Active Supply Current (Note 4)
ICC
Y
15
mA
W
10
TTL Standby Current (CE = VIH)
ICC1
Y
5
mA
W
4
CMOS Standby Current
(CE = VCC - 0.2V)
ICC2
Y
5
mA
W
4
Input Leakage Current (Any Input)
IIL
-1
+1
A
Output Leakage Current (Any Output)
IOL
-1
+1
A
Output Logic 1 Voltage
(IOUT = -1.0mA)
VOH
(Note 3)
2.4
V
Output Logic 0 Voltage (IOUT = 2.1mA,
DQ0–7; IOUT = 5.0mA, IRQ, IOUT =
7.0mA, PWR and RST)
VOL1
(Note 3)
0.4
V
VOL2
(Notes 3, 5)
0.4
V
Battery Low, Flag Trip Point (Note 2)
VBLF
Y
2.0
V
W
1.9
Power-Fail Voltage (Note 2)
VPF
Y
4.20
4.50
V
W
2.75
2.97
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