參數(shù)資料
型號(hào)： DS2404S
英文描述： EconoRAM Time Chip
中文描述： EconoRAM時(shí)鐘芯片
文件頁(yè)數(shù)： 22/28頁(yè)
文件大小： 663K
代理商： DS2404S
DS2404
22 of 28
020998
V
CC
Operate Mode (Battery Backed)
Figure 16 shows the necessary connections for operating the DS2404 in V
CC
Operate mode.
VCC OPERATE MODE
Figure 16
V
CC
V
BATB
V
BATO
Pin 1 & 16
Pin 9
Pin 10
2.8 to 5.5 volts
2.8 to 5.5 volts
must be unconnected
To always allow communication through the 1-Wire or wire port, the voltage on V
CC
must be
approximately 3-wire port, the voltage on V
CC
must be approximately 0.2V above the voltage on V
BATB
.
Otherwise the DS2404 will retain data, but will not allow any access.
The V
BATB
pin is normally connected to any standard 3V lithium cell or other energy source. As V
CC
falls
below V
BATB
, the power switching circuit allows V
BATB
to provide energy for maintaining clock
functionality and data retention. No communication can take place while V
BATB
is greater than V
CC
.
During power-up, when V
CC
reaches a value of approximately 0.2V above V
BATB
, the power switching
circuit connects V
CC
and disconnects V
BATB
. If the oscillator is on, no communication can take place
until V
CC
has stayed approximately 0.2V above V
BATB
for 123 ± 2 ms. During power-down, the falling
V
CC
must pass the range from V
BATB
to 0V in no less than 100 ns for the power switching circuit to
function properly.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS2404S-001 制造商:Maxim Integrated Products 功能描述:ECONORAM/TIME, SOIC16 (GENERIC) - Rail/Tube
DS2404S-001/T&R 制造商:Maxim Integrated Products 功能描述:ECONORAM/TIME, SOIC16-TRL (GENERIC) - Tape and Reel
DS2404S-001+ 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK SERL 512BYTE 16SOIC - Rail/Tube
DS2404S-001+T&R 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK SERL 512BYTE 16SOIC - Tape and Reel
DS2404S-C01 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:Peripheral IC
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