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G671 데이터시트 PDF




GMT에서 제조한 전자 부품 G671은 전자 산업 및 응용 분야에서
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부품번호 G671 기능
기능 (G670 / G671) Microprocessor Reset IC
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G671 데이터시트, 핀배열, 회로
www.DataSheet4U.com
Global Mixed-mode Technology Inc.
G670/G671
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 (G670L)
Push-Pull RESET Output (G670H)
Open-Drain RESET Output (G671L)
„ 2ms max Power-On Reset Pulse Width
„ 14µA Supply Current
„ Guaranteed Reset Valid to VCC = +1V
„ Power Supply Transient Immunity
„ No External Components
„ 3-Pin SOT-23,TO-92 and SOT-89 Packages
„ 2% Threshold Accuracy
Applications
„ Computers
„ Controllers
„ Intelligent Instruments
„ Critical µP and µC Power Monitoring
„ Portable / Battery-Powered Equipment
„ Automotive
General Description
The G670/G671 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.
These circuits perform a single function: they assert a
reset signal whenever the VCC supply voltage declines
below a preset threshold. Reset thresholds suitable for
operation with a variety of supply voltages are avail-
able.
The G671L has an open-drain output stage, while the
G670 have push-pull outputs. The G671L’s open-drain
RESET output requires a pull-up resistor that can be
connected to a voltage higher than VCC. The G670L
have an active-low RESET output, while the G670H
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 G670/G671 ideal for
use in portable equipment. The G670/G671 are avail-
able in 3-pin SOT-23, TO-92 and SOT-89 packages.
Pin Configuration
Typical Application Circuit
3
12
SOT-23
TTooppVVieieww
12 3
SOT-89
Top
View
123
TO-92
VCC
VCC
G670/G671
RESET
(RESET)
GND
VCC
*RPULL-UP
µP
RESET
INPUT
GND
*G671 only
Ver: 1.5
Dec 03, 2005
TEL: 886-3-5788833
http://www.gmt.com.tw
1




G671 pdf, 반도체, 판매, 대치품
Global Mixed-mode Technology Inc.
G670/G671
Selector Guide
ORDER NUMBER
G671L463T25U
ORDER NUMBER
(Pb free)
G671L463T25Uf
RESET
THRESHOLD (V)
4.60
OUTPUT TYPE
Open-Drain
G671L438T25U
G671L438T25Uf
4.32
Open-Drain
G671L400T25U
G671L400T25Uf
3.96
Open-Drain
G671L330T25U
G671L330T25Uf
3.30
Open-Drain
G671L308T25U
G671L308T25Uf
3.10
Open-Drain
G671L293T25U
G671L293T25Uf
2.91
Open-Drain
G671L263T25U
G671L263T25Uf
2.64
Open-Drain
G670H463T25U
G670H463T25Uf
4.60
Push-Pull RESET
G670H438T25U
G670H438T25Uf
4.32
Push-Pull RESET
G670H400T25U
G670H400T25Uf
3.96
Push-Pull RESET
G670H330T25U
G670H330T25Uf
3.30
Push-Pull RESET
G670H308T25U
G670H308T25Uf
3.10
Push-Pull RESET
G670H293T25U
G670H293T25Uf
2.91
Push-Pull RESET
G670H263T25U
G670H263T25Uf
2.64
Push-Pull RESET
G670L463T25U
G670L463T25Uf
4.60
Push-Pull
G670L438T25U
G670L438T25Uf
4.32
Push-Pull
G670L400T25U
G670L400T25Uf
3.96
Push-Pull
G670L330T25U
G670L330T25Uf
3.30
Push-Pull
G670L308T25U
G670L308T25Uf
3.10
Push-Pull
G670L293T25U
G670L293T25Uf
2.91
Push-Pull
G670L263T25U
G670L263T25Uf
2.64
Push-Pull
Note: T2: SOT-89
Not all product options are ready for mass production, please contact factory for availability.
TOP MARK
SOT-89
663G
xx
663F
xx
663E
xx
663D
xx
663C
xx
663B
xx
663A
xx
662N
xx
662M
xx
662L
xx
662K
xx
662J
xx
662I
xx
662H
xx
662G
xx
662F
xx
662E
xx
662D
xx
662C
xx
662B
xx
662A
xx
Ver: 1.5
Dec 03, 2005
TEL: 886-3-5788833
http://www.gmt.com.tw
4

4페이지










G671 전자부품, 판매, 대치품
Global Mixed-mode Technology Inc.
G670/G671
Absolute Maximum Ratings
Terminal Voltage (with respect to GND)
VCC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.3V to +6.0V
RESET, RESET (push-pull) . . . . . -0.3V to (VCC + 0.3V)
RESET (open drain) . . . . . . . . . . . . . . . .-0.3V to +6.0V
Input Current, VCC. . . . . . . . . . . . . . . . . . . . . . . . ..20mA
Output Current, RESET, RESET . . . . . . . . . . . . .20mA
Continuous Power Dissipation (TA = +70°C)
SOT-23 (derate 4mW/°C above +70°C) . . . .. . 100mW
SOT-89 (derate 4mW/°C above +70°C). . . .. . .100mW
TO-92 (derate 4mW/°C above +70°C). . . .. . . . 100mW
Operating Temperature Range. . . .. . .-40°C to +105°C
Storage Temperature Range. . . .. . . ..-65°C to +150°C
Reflow Temperature (soldering, 10sec) . . . .. . .+260°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the
specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
Electrical Characteristics
(VCC = full range, TA = -40°C to +105°C, unless otherwise noted. Typical values are at TA = +25°C, VCC = 5V
for 463/438/400/330 versions, VCC= 3.3V for 308/293 versions, and VCC = 3V for 263 version.) (Note 1)
PARAMETER
VCC Range
Supply Current
SYMBOL
CONDITION
MIN
TA = 0°C +70°C
TA = -40°C +105°C
1.0
1.2
VCC<5.5V, G67_
ICC _463/438/400/330_
TA = -40°C +105°C ---
VCC<3.6V, G67_ _308/293/263_
---
G67_ _463_
4.50
G67_ _438_
4.23
Reset Threshold
G67_ _400_
VTH G67_ _330_
G67_ _308_
TA = +25°C
3.88
3.24
3.04
G67_ _293_
2.86
G67_ _263_
2.59
Reset Threshold Hysterisis
Reset Threshold Tempco
VCC to Reset Delay (Note 2)
Reset Active Timeout Period
VHYST
VCC = VTH to (VTH – 100mV)
VCC = VTH max,
3.60
---
---
---
RESET Output Current Low
(push-pull active low,and
open-drain active-low, G670L
and G671L)
RESET Output Current High
(push-pull active low, G670L)
RESET Output Current Low
(push-pull active high, G670H)
RESET Output Current High
(push-pull active high, G670H)
IOL VCC = 2.5V, V RESET = 0.5V
8
VCC = 5V, V RESET = 4.5V, G670L463/438/400/330
IOH VCC = 3.3V, V RESET = 2.8V,G670L308/293
VCC = 3V, V RESET = 2.5V, G670L263
VCC = 5V, VRESET = 0.5V, G670H463/438/400/330
IOL VCC = 3.3V, VRESET = 0.5V, G670H308/293
VCC = 3V, VRESET = 0.5V, G670H263
IOH VCC = 2.5V, VRESET = 2V
4.5
3
2
16
12
10
2
RESET Open-Drain Output
Leakage Current (G671L)
VCC > VTH, RESET deasserted
Note 1: Production testing done at TA = +25°C; limits over temperature guaranteed by design.
Note 2: RESET output is for G670L/G671L; While RESET output is for G670H.
---
TYP
---
---
16.5
13.9
4.60
4.32
3.96
3.30
3.10
2.91
2.64
5.30
40
7
---
---
---
---
---
---
---
---
---
---
MAX UNIT
5.5
V
5.5
25
22
4.69
4.40
4.04
3.37
3.16
2.96
2.69
7.00
---
---
2
µA
V
%
ppm/°C
µs
ms
--- mA
---
--- mA
---
---
--- mA
---
--- mA
1 µA
Ver: 1.5
Dec 03, 2005
TEL: 886-3-5788833
http://www.gmt.com.tw
7

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