- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄379184 > DS3832C-311 3.3V, 32Mb Advanced NV SRAM with Clock PDF資料下載
參數(shù)資料
| 型號： | DS3832C-311 |
| 英文描述： | 3.3V, 32Mb Advanced NV SRAM with Clock |
| 中文描述： | 3.3，32MB的高級非易失SRAM，帶有時鐘 |
| 文件頁數(shù)： | 5/18頁 |
| 文件大小： | 428K |
| 代理商： | DS3832C-311 |
DS3832C-311
5 of 18
DATA RETENTION MODE
The DS3832C-311 provides full functional capability for V
CC
greater than 3.0V and write protects by
2.8V. Data is maintained in the absence of V
CC
without any additional support circuitry. The DS3832C-
311 constantly monitors V
CC
. Should the supply voltage decay to V
TP
, the device automatically write
protects itself, all inputs become “don’t care,” and all outputs become high impedance. As V
CC
falls
below approximately 2.8V, a power-switching circuit electrically connects an attached DS3802 battery
cap to the SRAM to retain data. During power-up, when V
CC
rises above approximately 2.8V, the power-
switching circuit connects external V
CC
to the SRAM and disconnects the DS3802 normal RAM
operation can resume after V
CC
reaches the minimum power-supply voltage.
BATTERY MONITORING
The DS3832C-311 automatically monitors the battery in an attached DS3802 battery cap on a 24-hour
time interval. Such monitoring begins within t
REC
after V
CC
rises above V
TP
and is suspended when power
failure occurs.
After each 24-hour period has elapsed, the battery is connected to an internal 1M test resistor for one
second. During this one second, if battery voltage falls below the battery voltage trip point (2.6V), the
battery warning output
BW
is asserted. Once asserted,
BW
remains active until the battery cap or DS3802
is replaced. The battery is still retested after each V
CC
power-up even if
BW
is active. If the battery
voltage is found to be higher than 2.6V during such testing,
BW
is de-asserted and regular 24-hour testing
resumes.
BW
has an open-drain output driver.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS3884 | Pythagoras Processor |
| DS4000 | RECT BRIDGE 15A 1000V WIRE LEADS |
| DS4000N | RECT BRIDGE 15A 100V WIRE LEADS |
| DS4025 | RECT BRIDGE 15A 200V WIRE LEADS |
| DS4301 | Nonvolatile, 32-Position Digital Potentiometer |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS38432 | 制造商:Maxim from Components Direct 功能描述:MAXIM DS38432 - Tape and Reel 制造商:Maxim 功能描述:Maxim DS38432 |
| DS38452-228 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| DS38452-452 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| DS38464 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:3.3V 64k x 40 NV SRAM SIMM |
| DS38464-070 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。