(VCC = +3.3V, TA
參數(shù)資料
型號: DS12R885S-33+T&R
廠商: Maxim Integrated Products
文件頁數(shù): 22/23頁
文件大?。?/td> 0K
描述: IC RTC W/RAM 128 BYTE 24-SOIC
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 1,000
類型: 時鐘/日歷
特點(diǎn): 警報(bào)器,閏年,NVSRAM,方波輸出,涓流充電器
存儲容量: 114B
時間格式: HH:MM:SS(12/24 小時)
數(shù)據(jù)格式: YY-MM-DD-dd
接口: 并聯(lián)
電源電壓: 2.97 V ~ 3.63 V
電壓 - 電源,電池: 2 V ~ 3.05 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 24-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 24-SOIC W
包裝: 帶卷 (TR)
Typical Operating Characteristics
(VCC = +3.3V, TA = +25°C, unless otherwise noted.)
DS12R885/DS12CR887/DS12R887
8
Maxim Integrated
RTCs with Constant-Voltage Trickle Charger
OSCILLATOR FREQUENCY
vs. SUPPLY VOLTAGE
DS12R885
toc04
SUPPLY (V)
FREQUENCY
(Hz)
5.0
4.5
3.5
4.0
3.0
2.5
32767.92
32767.94
32767.96
32767.98
32768.00
32768.02
32768.04
32768.06
32768.08
32768.10
32767.90
2.0
5.5
IBACKUP vs. TEMPERATURE
(DS12R885)
DS12R885
toc03
TEMPERATURE (
°C)
SUPPLY
CURRENT
(nA)
65
50
-25
-10
5
20
35
475
500
525
550
575
600
625
650
450
-40
80
VCC = 0V,
VBACKUP = 3.0V
VBACKUP vs. VCC vs. IBACKUP
(DS12R885)
DS12R885 toc02
VCC (V)
V
BACKUP
(V)
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
2.2
2.4
2.6
2.8
3.0
2.0
1.0
5.5
0
μA
-15
μA
-30
μA
-45
μA
-60
μA
IBACKUP vs. VBACKUP
(DS12R885)
DS12R885
toc01
VBACKUP (V)
SUPPLY
CURRENT
(nA)
2.8
2.5
2.3
575
600
625
550
2.0
3.0
VCC = 0V
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