DS1390–DS1394
Low-Voltage SPI/3-Wire RTCs with
Trickle Charger
8
Maxim Integrated
OUTPUTS
VCC
VPF(MAX)
INPUTS
HIGH IMPEDANCE
RST
DON'T CARE
VALID
RECOGNIZED
VALID
VPF(MIN)
tRST
tRPU
tR
tF
VPF
Figure 5. Power-Up/Down Timing
tRST
PBDB
RST
Figure 6. Pushbutton Reset Timing
POWER-UP/POWER-DOWN CHARACTERISTICS
(TA = -40°C to +85°C) (Figures 5, 6)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
VCC Detect to Recognize Inputs
(VCC Rising)
tRST
(Note 17)
160
200
ms
VCC Fall Time; VPF(MAX) to
VPF(MIN)
tF
300
s
VCC Rise Time; VPF(MIN) to
VPF(MAX)
tR
0s
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相关代理商/技术参数
DS1395 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:RAMified Real Time Clock
DS1395N 制造商:未知厂家 制造商全称:未知厂家 功能描述:Peripheral IC
DS1395S 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:RAMified Real Time Clock
DS1395SN 制造商:未知厂家 制造商全称:未知厂家 功能描述:Peripheral IC
DS1397 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:RAMified Real Time Clock
DS-14 功能描述:非热缩管和套管 FLEX BRAIDED SHIELD 14MM X 100M ROLL RoHS:否 制造商:Panduit 产品:Cable Wraps 类型:Spiral 颜色:Black 材料:PP 内径:0.03 in 长度:100 ft
DS14-00 制造商:FLOWLINE 功能描述:Sensor, Liquid Level, Ultrasonic Switch/Control 4 Relays; Range 49.2 in, 1NPT
DS1-40-0001 制造商:SCHURTER 制造商全称:Schurter Inc. 功能描述:Storage Choke, fully potted resign