參數(shù)資料
型號(hào): MAX688EVKIT-4A
廠商: Maxim Integrated Products, Inc.
英文描述: Evaluation Kit for the MAX688/MAX689 IOUT
中文描述: 評(píng)估板MAX688/MAX689輸出電流
文件頁數(shù): 4/7頁
文件大小: 147K
代理商: MAX688EVKIT-4A
M
3-Pin, Low-Power
μP Reset Circuits
4
_______________________________________________________________________________________
V
CC
V
CC
GND
MAX6802
RESET
V
CC
GND
RESET
MOTOROLA
68HCXX
μ
P
100k
Applications Information
Interfacing to μPs with Bidirectional
Reset Pins
Since the
RESET
output on the MAX6802 is open-drain,
this device interfaces easily with μPs that have bidirec-
tional reset pins, such as the Motorola 68HC11.
Connecting the μP supervisor
s
RESET
output directly
to the microcontroller
s (μC
s)
RESET
pin with a single
pullup resistor allows either device to assert reset
(Figure 1).
Negative-Going V
CC
Transients
In addition to issuing a reset to the μP during power-up,
power-down, and brownout conditions, these devices are
relatively immune to short-duration, negative-going V
CC
transients (glitches). The
Typical Operating Characteristics
show the Maximum Transient Duration vs. Reset
Comparator Overdrive graph. The graph shows the maxi-
mum pulse width that a negative-going V
CC
transient may
typically have without issuing a reset signal. As the ampli-
tude of the transient increases, the maximum allowable
pulse width decreases.
Figure 1. Interfacing to μPs with Bidirectional Reset Pins
TOP VIEW
1
2
3
V
CC
RESET (RESET)
MAX6800
MAX6801
MAX6802
SOT23-3
( ) ARE FOR MAX6800
GND
Pin Configuration
Figure 2. Ensuring Reset Valid Down to V
CC
= 0
V
CC
GND
MAX6801
RESET
100k
(a)
V
CC
GND
MAX6800
RESET
100k
*
(b)
*ASSUMES HIGH-Z RESET INPUT TO THE
μ
P
MAX6801
V
CC
V
CC
RESET
RESET
GND
V
CC
GND
μ
P
Typical Operating Circuit
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MAX689EVKIT 1Msps.&#181.P Compatible.8-Bit ADC with 1&#181.A Power Down[MAX153/MAX153C/D/MAX153CAP/MAX153CAP-T/MAX153CPP/MAX153CWP/MAX153CWP-T/MAX153EAP/MAX153EAP-T/MAX153EPP/MAX153EWP/MAX153EWP-T/MAX153MJP]
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX688EVKIT-SO 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓(最大值):307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
MAX6890ETI 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
MAX6890ETI+ 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
MAX6890ETI-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
MAX6891ETP 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