参数资料
型号: DS1344D-33+T&R
厂商: Maxim Integrated Products
文件页数: 15/20页
文件大小: 0K
描述: IC RTC SPI 3.3V 14TDFN-EP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
类型: 时钟/日历
特点: 警报器,闰年,NVRAM,方波输出,涓流充电器
存储容量: 96B
时间格式: HH:MM:SS(12/24 小时)
数据格式: YY-MM-DD-dd
接口: SPI
电源电压: 3 V ~ 5.5 V
电压 - 电源,电池: 1.3 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 14-WFDFN 裸露焊盘
供应商设备封装: 14-TDFN-EP(3x3)
包装: 标准包装
其它名称: DS1344D-33+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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