(TA
參數(shù)資料
型號: DS1344D-18+T&R
廠商: Maxim Integrated Products
文件頁數(shù): 15/20頁
文件大?。?/td> 0K
描述: IC RTC SPI 1.8V 14TDFN-EP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 1
類型: 時鐘/日歷
特點: 警報器,閏年,NVRAM,方波輸出,涓流充電器
存儲容量: 96B
時間格式: HH:MM:SS(12/24 小時)
數(shù)據(jù)格式: YY-MM-DD-dd
接口: SPI
電源電壓: 1.71 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: 14-WFDFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 14-TDFN-EP(3x3)
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: DS1344D-18+T&RDKR
4
Maxim Integrated
Low-Current SPI/3-Wire RTCs
DS1343/DS1344
POWER-UP/DOWN CHARACTERISTICS
(TA = -40°C to +85°C, unless otherwise noted.)
CAPACITANCE
(TA = +25°C, unless otherwise noted.)
CRYSTAL PARAMETERS
Note 2: Voltage referenced to ground.
Note 3: Limits at TA = -40°C are guaranteed by design and not production tested.
Note 4: CE = VCC, VSCLK = VCC to GND, IOUT = 0mA, trickle charger disabled.
Note 5: CE = GND, IOUT = 0mA, EOSC = EGFIL = DOSF = 0, trickle charger disabled.
Note 6: VCC = 0V, EGFIL = 0, DOSF = 1.
Note 7: VCC = 0V, EGFIL = 1, DOSF = 0.
Note 8: Applies to INT0 and INT1.
Note 9: The parameter tOSF is the period of time the oscillator must be stopped for the OSF flag to be set.
Note 10: Guaranteed by design; not 100% production tested.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Recovery at Power-Up
tREC
20
40
ms
VCC Fall Time (VPF to 0V)
tVCCF
150
F
s
VCC Rise Time (0V to VPF)
tVCCR
0
F
s
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Input Capacitance
CI
(Note 10)
10
pF
Output Capacitance
CO
(Note 10)
15
pF
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Nominal Frequency
fO
32.768
kHz
Series Resistance
ESR
100
kI
Load Capacitance
CL
DS1343
6
pF
DS1344
12.5
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