参数资料
型号: DS1672S-33
厂商: Maxim Integrated Products
文件页数: 12/15页
文件大小: 0K
描述: IC TIMEKEEPER 3.3V 32-BIT 8-SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 100
类型: 二进制计数器
特点: 涓流充电器
时间格式: 二进制
数据格式: 二进制
接口: I²C,2 线串口
电源电压: 2.97 V ~ 3.63 V
电压 - 电源,电池: 1.3 V ~ 3.63 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 管件
DS1672
6 of 15
POWER-UP/POWER-DOWN CHARACTERISTICS
(TA = -40°C to +85°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
VCC Detect to RST (VCC Falling)
tRPD
10
s
VCC Detect to RST (VCC Rising)
(Note 11)
tRPU
250
ms
VCC Fall Time; VPF(MAX) to VPF(MIN)
tF
300
s
VCC Rise Time; VPF(MIN) to VPF(MAX)
tR
0
s
Note 11: If the
EOSC bit in the control register is set to logic 1, t
RPU is equal to 250ms plus the startup time of the crystal oscillator.
Warning: Negative undershoots below –0.3V while the part is in battery-backed mode can cause
loss of data.
Figure 1. Timing Diagram
SCL
START
SDA
STOP
tBUF
REPEATED
START
tHD:STA
tLOW
tHD:STA
tHD:DAT
tSU:DAT
tHIGH
tSU:STA
tF
tSU:STO
Figure 2. Power-Up/Power-Down Timing
OUTPUTS
VCC
VPF(max)
INPUTS
HIGH IMPEDANCE
RST
DON'T CARE
VALID
RECOGNIZED
VALID
tRPD
VPF(min)
tF
tPD
tR
tRPU
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