參數(shù)資料
型號(hào)： MAX6840XSD0-T
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 電源管理
英文描述： Dual J-K Flip-Flops With Clear and 3-state Outputs 14-CDIP -55 to 125
中文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO4
封裝： SC-70, 4 PIN
文件頁數(shù)： 8/11頁
文件大?。?/td> 197K
代理商： MAX6840XSD0-T
M
Using The MAX6834/MAX6837/MAX6840
Open-Drain
RESET
Output
with Multiple Supplies
Generally, the pullup connected to the MAX6834/
MAX6837/MAX6840 will connect to the supply voltage
that is being monitored at the IC
’
s V
CC
pin. However,
some systems may use the open-drain output to level-
shift from the monitored supply to reset circuitry pow-
ered by some other supply (Figure 5). Note that as the
MAX6834/MAX6837/MAX6840
’
s V
CC
decreases, so
does the IC
’
s ability to sink current at
RESET
. Also, with
any pullup,
RESET
will be pulled high as V
CC
declines
toward 0. The voltage where this occurs depends on
the pullup resistor value and the voltage to which it is
connected.
Chip Information
TRANSISTOR COUNT: 681
PROCESS: BiCMOS
Ultra-Low-Voltage SC70 Voltage Detectors
and μP Reset Circuits
8
_______________________________________________________________________________________
RESET
GND
RESET
INPUT
R
PULLUP
MAX6834
MAX6837
MAX6840
5V SYSTEM
GND
V
CC
+1.2V
+5.0V
V
CC
Figure 5. Using The MAX6834/MAX6837/MAX6840 Open-Drain
RESET
Output with Multiple Supplies
Table 2. Active Timeout Period Guide
SUFFIX
TYPICAL RESET ACTIVE
TIMEOUT PERIOD (ms)
0.07
1.5
30
210
1680
D0
D1
D2
D3
D4
Table 3. Standard Versions
DEVICE
MAX6832VXRD0
MAX6832VXRD3
MAX6832HXRD0
MAX6832HXRD3
MAX6832FXRD0
MAX6832FXRD3
MAX6833VXRD0
MAX6833VXRD3
MAX6833HXRD0
MAX6833HXRD3
MAX6833FXRD0
MAX6833FXRD3
MAX6834VXRD0
MAX6834VXRD3
MAX6834HXRD0
MAX6834HXRD3
MAX6834FXRD0
MAX6834FXRD3
MAX6835VXSD0
TOP MARK
AIQ
AIR
AIS
AIT
AIU
AIV
AHJ
AIW
AIX
AIY
AIZ
AJA
AJB
AJC
AJD
AJE
AJF
AJG
AEX
Table 1. Threshold Suffix Guide
Selector Guide
SUFFIX
W
V
I
H
G
F
RESET THRESHOLD (V)
1.665
1.575
1.388
1.313
1.110
1.050
相關(guān)PDF資料
PDF描述
MAX6840XSD3 Ultra-Low-Voltage SC70 Voltage Detectors and レP Reset Circuits
MAX6840XSD3-T Ultra-Low-Voltage SC70 Voltage Detectors and レP Reset Circuits
MAX6877ETG Dual-/Triple-Voltage, Power-Supply Trackers/Sequencers/Supervisors
MAX6878 4-Bit Bistable Latches 16-CDIP -55 to 125
MAX6878ETG* Dual-/Triple-Voltage, Power-Supply Trackers/Sequencers/Supervisors
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX6840XSD1 制造商:Maxim Integrated Products 功能描述:ULTRA-LOW-VOLTAGE SC70 VOLTAGE DET - Rail/Tube
MAX6840XSD1+ 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR ADJV 16UA 4PIN SC-70 - Rail/Tube
MAX6840XSD1+T 功能描述:監(jiān)控電路 Single uPower Reset Circuit RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
MAX6840XSD1-T 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
MAX6840XSD2 制造商:Maxim Integrated Products 功能描述:ULTRA-LOW-VOLTAGE SC70 VOLTAGE DET - Cut Tape Product
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