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G692H 데이터시트 PDF




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부품번호 G692H 기능
기능 4-Pin UP Voltage Monitors with Manual Reset Input
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G692H 데이터시트, 핀배열, 회로
Global Mixed-mode Technology Inc.
G692/G693
4-Pin µP Voltage Monitors with Manual Reset Input
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 (G692L)
Push-Pull RESET Output (G692H)
Open-Drain RESET Output (G693L)
„140ms min Power-On Reset Pulse Width
„5µA Supply Current
„Guaranteed Reset Valid to VCC = +1V
„Power Supply Transient Immunity
„No External Components
„Manual Reset Input
„4-Pin SOT143 Package
Applications
„Computers
„Controllers
„Intelligent Instruments
„Critical µP and µC Power Monitoring
„Portable / Battery-Powered Equipment
„Automotive
Pin Configuration
General Description
The G692/G693 are microprocessor (µP) supervisory
circuits used to monitor the power supplies in µP 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. The G692/G693 also provide a de-
bounced manual reset input.
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 G693L has an open-drain output stage, while the
G692 have push-pull outputs. The G693L’s open-drain
RESET output requires a pull-up resistor that can be
connected to a voltage higher than VCC. The G692L
have an active-low RESET output, while the G692H
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 G692/G693 ideal for
use in portable equipment. The G692/G693 are avail-
able in a 4-pin SOT143 packages.
Ordering Information
PART TEMP. RANGE PIN-PACKAGE
G692H(L)xxxTC -40°C ~ +105°C
SOT143
G693LxxxTC -40°C ~ +105°C
SOT143
* xxx specifies the threshold voltage.
e.g. 263 denotes the 2.63V threshold voltage.
Typical Operating Circuit
GND 1
4 VCC
G692/G693
RESET(RESET) 2
()is for G692H
SOT143
3 MR
VCC
VCC
G692/G693
MR
RESET
(RESET)
GND
VCC
*RPULL-UP
µP
RESET
INPUT
GND
*G693 ONLY
Ver: 1.0
Sep 23, 2002
TEL: 886-3-5788833
http://www.gmt.com.tw
1




G692H pdf, 반도체, 판매, 대치품
Global Mixed-mode Technology Inc.
G692/G693
Typical Operating Characteristics
(VCC = full range, TA = -40°C to +105°C, unless otherwise noted. Typical values are at TA = +25°C, VCC = 5V
for 463/438/400 versions, VCC= 3.3V for 308/293 versions, and VCC = 3V for 263 version.)
Supply Current vs.Temperature
(No Load)
20
15 G69_ _ 463/438/400, VCC=5V
10 G69_ _ 308/293/263, VCC=3.3V
5 G69_ _ 463/438/400/308/293/263, VCC=1V
0
-40
-20
0 20 40 60
Temperature (°C)
80
Power-down Reset Delay vs. Temperature
(G69_ _308/293/263)
80
70 VOD=20mV
60
50 VOD=VTH-VCC
40
30
20
10
0
-40
-20
VOD=125mV
VOD=200mV
0 20 40 60
Temperature(°C)
80
Power-up Reset Timeout
vs. Temperature
330
325
320
315 G69_ _ 308/293/263
310
305
-40 -20 0 20 40 60 80
Temperature (°C)
1.006
1.004
1.002
1
0.998
0.996
0.994
0.992
0.99
0.988
0.986
-40
Normalized Reset Threshold
vs. Temperature
-20 0 20 40 60 80
Temperature(°C)
Ver: 1.0
Sep 23, 2002
TEL: 886-3-5788833
http://www.gmt.com.tw
4

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G692H 전자부품, 판매, 대치품
Global Mixed-mode Technology Inc.
Package Information
G692/G693
D
e1 C
L
E E1
e2 bx3
A2
A1
b1
A
SOT 143 Package
SYMBOL
A
A1
A2
b
b1
C
D
E
E1
e1
e2
L
DIMENSION IN MILIMETERS
MIN.
MAX.
0.95
1.20
0.05
0.10
0.90
1.10
0.37
0.46
0.76
0.89
0.10
0.18
2.80
3.04
1.20
1.40
2.30
2.50
1.92 BSC.
0.20 BSC.
0.69 REF.
Package Orientation
DIMENSION IN INCHS
MIN.
MAX.
0.037
0.047
0.002
0.004
0.035
0.043
0.145
0.018
0.030
0.035
0.004
0.007
0.110
0.120
0.047
0.055
0.091
0.098
0.75 BSC.
0.078 BSC.
0.27 REF.
Feed Direction
SOT 143 Package Orientation
GMT Inc. does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and GMT Inc. reserves the right at any time without notice to change said circuitry and specifications.
Ver: 1.0
Sep 23, 2002
TEL: 886-3-5788833
http://www.gmt.com.tw
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