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參數資料
| 型號： | G690H293T96 |
| 廠商： | Global Mixed-mode Technology Inc. |
| 英文描述： | Tantalum Molded Capacitor; Capacitance: 4.7uF; Voltage: 16V; Case Size: 3.2x1.6 mm; Packaging: Tape & Reel |
| 中文描述： | 微處理器復位IC |
| 文件頁數： | 1/12頁 |
| 文件大小： | 219K |
| 代理商： | G690H293T96 |
Ver: 1.3
Oct 31, 2002
TEL: 886-3-5788833
http://www.gmt.com.tw
1
G690/G691
Global Mixed-mode Technology Inc.
Microprocessor Reset IC
Features
Precision Monitoring of +3V, +3.3V, and +5V
Power-Supply Voltages
Fully Specified Over Temperature
Available in Three Output Configurations
Push-Pull RESET Output (G690L)
Push-Pull RESET Output (G690H)
Open-Drain RESET Output (G691L)
140ms min Power-On Reset Pulse Width
10A Supply Current
Guaranteed Reset Valid to VCC = +1V
Power Supply Transient Immunity
No External Components
3-Pin SOT89, SOT23 and SC70 Packages
Applications
Computers
Controllers
Intelligent Instruments
Critical P and C Power Monitoring
Portable / Battery-Powered Equipment
Automotive
General Description
The G690/G691 are microprocessor (P) supervisory
circuits used to monitor the power supplies in P and
digital systems. They provide excellent circuit reliability
and low cost by eliminating external components and
adjustments when used with +5V, +3.3V, +3.0V- pow-
ered circuits.
These circuits perform a single function: they assert a
reset signal whenever the VCC supply voltage declines
below a preset threshold, keeping it asserted for at
least 140ms after VCC has risen above the reset
threshold. Reset thresholds suitable for operation with
a variety of supply voltages are available.
The G691L has an open-drain output stage, while the
G690 have push-pull outputs. The G691L’s open-drain
RESET output requires a pull-up resistor that can be
connected to a voltage higher than VCC. The G690L
have an active-low RESET output, while the G690H
has an active-high RESET output. The reset com-
parator is designed to ignore fast transients on VCC,
and the outputs are guaranteed to be in the correct
logic state for VCC down to 1V.
Low supply current makes the G690/G691 ideal for
use in portable equipment. The G690/G691 are avail-
able in 3-pin SOT89 or SOT23 or SC70 packages.
Pin Configuration
Typical Application
RESET
INPUT
GND
P
V
CC
RESET
(RESET)
GND
G690/G691
V
CC
R
PULL-UP
V
CC
*
*G691 ONLY
SOT23/SC70
SOT 89
1
2
12
3
RESET
INPUT
GND
P
V
CC
RESET
(RESET)
GND
G690/G691
V
CC
R
PULL-UP
V
CC
*
*G691 ONLY
SOT23/SC70
SOT 89
1
2
12
3
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PDF描述 |
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| G690H308T21 | Tantalum Molded Capacitor; Capacitance: 4.7uF; Voltage: 16V; Case Size: 3.4x1.9 mm; Packaging: Tape & Reel |
| G690H308T22 | Tantalum Molded Capacitor; Capacitance: 4.7uF; Voltage: 16V; Case Size: 3.4x1.9 mm; Packaging: Tape & Reel |
| G690H308T23 | Microprocessor Reset IC |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| G690H308T21 | 制造商:GMT 制造商全稱:Global Mixed-mode Technology Inc 功能描述:Microprocessor Reset IC |
| G690H308T22 | 制造商:GMT 制造商全稱:Global Mixed-mode Technology Inc 功能描述:Microprocessor Reset IC |
| G690H308T23 | 制造商:GMT 制造商全稱:Global Mixed-mode Technology Inc 功能描述:Microprocessor Reset IC |
| G690H308T26 | 制造商:GMT 制造商全稱:Global Mixed-mode Technology Inc 功能描述:Microprocessor Reset IC |
| G690H308T71 | 制造商:GMT 制造商全稱:Global Mixed-mode Technology Inc 功能描述:Microprocessor Reset IC |
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