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X40031 데이터시트 PDF




Intersil Corporation에서 제조한 전자 부품 X40031은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 X40031 자료 제공

부품번호 X40031 기능
기능 (X40030 - X40035) Triple Voltage Monitor
제조업체 Intersil Corporation
로고 Intersil Corporation 로고


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X40031 데이터시트, 핀배열, 회로
®
PRELIMINARY
Data Sheet
X40030, X40031, X40034, X40035
May 25, 2006
FN8114.1
Triple Voltage Monitor with Integrated
CPU Supervisor
FEATURES
• Triple voltage detection and reset assertion
—Standard reset threshold settings
see selection table on page 5.
—Adjust low voltage reset threshold voltages
using special programming sequence
—Reset signal valid to VCC = 1V
—Monitor three seperate voltages
• Fault detection register
• Selectable power on reset timeout
(0.05s, 0.2s, 0.4s, 0.8s)
• Selectable watchdog timer interval
(25ms, 200ms, 1.4s or off)
• Debounced manual reset input
• Low power CMOS
—25µA typical standby current, watchdog on
—6µA typical standby current, watchdog off
• 400kHz 2-wire interface
• 2.7V to 5.5V power supply operation
• Available in 14 Ld SOIC, TSSOP packages
www.DataSheet4U.com Monitor voltages: 5V to 0.9V
• Independent core voltage monitor
• Pb-free plus anneal available (RoHS compliant)
APPLICATIONS
• Communication equipment
—Routers, hubs, switches
—Disk arrays, network storage
BLOCK DIAGRAM
• Industrial systems
—Process control
—Intelligent instrumentation
• Computer systems
— Computers
—Network servers
DESCRIPTION
The X40030, X40031, X40034, X40035 combine
power-on reset control, watchdog timer, supply voltage
supervision, second and third voltage supervision, and
manual reset, in one package. This combination lowers
system cost, reduces board space requirements, and
increases reliability.
Applying voltage to VCC activates the power on reset cir-
cuit which holds RESET/RESET active for a period of
time. This allows the power supply and system oscillator
to stabilize before the processor can execute code.
Low VCC detection circuitry protects the user’s system
from low voltage conditions, resetting the system when
VCC falls below the minimum VTRIP1 point.
RESET/RESET is active until VCC returns to proper
operating level and stabilizes. A second and third voltage
monitor circuit tracks the unregulated supply to provide a
power fail warning or monitors different power supply
voltage. Three common low voltage combinations are
available, however, Intersil’s unique circuits allows the
threshold for either voltage monitor to be reprogrammed
to meet specific system level requirements or to fine-tune
the threshold for applications requiring higher precision.
V3MON
V2MON
V3LMoognicitor
+
-
V2LMogoincitor
VTRIP3
+
-
VCC or
V2MON*
VTRIP2
V3FAIL
V2FAIL
SDA
WP
SCL
VCC
(V1MON)
Data
Register
Command
Decode Test
& Control
Logic
Fault Detection
Register
Status
Register
VCCLoMgoicnitor
+
VTRIP1
-
Watchdog
and
Reset Logic
Power on,
Manual Reset
Low Voltage
Reset
Generation
WDO
MR
RESET
X40030/34
RESET
X40031/35
LOWLINE
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2005-2006. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.




X40031 pdf, 반도체, 판매, 대치품
X40030, X40031, X40034, X40035
Ordering Information (Continued)
PART
PART NUMBER MARKING
X40031S14-C X40031S C
MONITORED
VCC RANGE
VTRIP1
RANGE
1.7 to 3.6 2.9V ±50mV
VTRIP2
RANGE
2.2V ±50mV
VTRIP3
RANGE
TEMP.
RANGE (°C)
PACKAGE
1.7V ±50mV 0 to 70 14 Ld SOIC (150 mil)
PKG.
DWG. #
M14.15
X40031S14I-C X40031S IC
-40 to +85 14 Ld SOIC (150 mil) M14.15
X40031V14-C
X40031V14I-C
X40031S14-B
X4003 1VC
X4003 1VIC
X40031S B
1.7 to 5.5 4.4V ±50mV 2.6V ±50mV
0 to 70 14 Ld TSSOP (4.4mm) M14.173
-40 to +85 14 Ld TSSOP (4.4mm) M14.173
0 to 70 14 Ld SOIC (150 mil) M14.15
X40031S14Z-B X40031S ZB
(Note)
0 to 70 14 Ld SOIC (150 mil) M14.15
(Pb-free)
X40031S14I-B X40031S IB
-40 to +85 14 Ld SOIC (150 mil) M14.15
X40031S14IZ-B X40031S ZIB
(Note)
-40 to +85 14 Ld SOIC (150 mil) M14.15
(Pb-free)
X40031V14-B X4003 1VB
0 to 70 14 Ld TSSOP (4.4mm) M14.173
X40031V14Z-B X4003 1VZB
(Note)
0 to 70 14 Ld TSSOP (4.4mm) M14.173
(Pb-free)
X40031V14I-B X4003 1VIB
-40 to +85 14 Ld TSSOP (4.4mm) M14.173
X40031V14IZ-B X4003 1VZIB
(Note)
-40 to +85 14 Ld TSSOP (4.4mm) M14.173
(Pb-free)
X40031S14-A X40031S A
4.6V ±50mV 2.9V ±50mV
0 to 70 14 Ld SOIC (150 mil) M14.15
X40031S14Z-A X40031S ZA
(Note)
0 to 70 14 Ld SOIC (150 mil) M14.15
(Pb-free)
X40031S14I-A X40031S IA
-40 to +85 14 Ld SOIC (150 mil) M14.15
X40031S14IZ-A X40031S ZIA
(Note)
-40 to +85 14 Ld SOIC (150 mil) M14.15
(Pb-free)
X40031V14-A X4003 1VA
0 to 70 14 Ld TSSOP (4.4mm) M14.173
X40031V14Z-A X4003 1VZA
(Note)
0 to 70 14 Ld TSSOP (4.4mm) M14.173
(Pb-free)
X40031V14I-A
X40031V14IZ-A
(Note)
X4003 1VIA
X4003 1VZIA
-40 to +85 14 Ld TSSOP (4.4mm) M14.173
-40 to +85 14 Ld TSSOP (4.4mm) M14.173
(Pb-free)
*Add "T1" suffix for tape and reel.
NOTE: Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate
termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL
classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.
4 FN8114.1
May 25, 2006

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X40031 전자부품, 판매, 대치품
X40030, X40031, X40034, X40035
returns and exceeds VTRIP2.This voltage sense cir-
cuitry monitors the power supply connected to V2MON
pin. If VCC = 0, V2MON can still be monitored.
For the X40034 and X40035, the V2FAIL signal
remains active until VCC drops below 1V and remains
active until V2MON returns and exceeds VTRIP2.This
sense circuitry is powered by VCC. If VCC = 0, V2MON
cannot be monitored.
Low Voltage V3 Monitoring
The X40030, X40031, X40034, X40035 also monitors
a third voltage level and asserts V3FAIL if the voltage
falls below a preset minimum VTRIP3. The V3FAIL sig-
nal is either ORed with RESET to prevent the micro-
processor from operating in a power fail or brownout
condition or used to interrupt the microprocessor with
notification of an impending power failure. The V3FAIL
signal remains active until the V3MON drops below 1V
(V3MON falling). It also remains active until V3MON
returns and exceeds VTRIP3.
This voltage sense circuitry monitors the power supply
connected to V3MON pin. If VCC = 0, V3MON can still
be monitored.
Figure 2. Two Uses of Multiple Voltage Monitoring
6-10V
1M
5V
3.3V
390K
X40031-A
VCC RESET
V2MON V2FAIL
V3MON
(1.7V) V3FAIL
VCC
System
Reset
Power
Fail
Interrupt
Unreg.
Supply
5V
Reg
3.0V
Reg
1.8V
Reg
X40031-B
VCC
VCC
RESET
V2MON
V2FAIL
V3MON
V3FAIL
System
Reset
Early Low VCC Detection (LOWLINE)
This CMOS output goes LOW earlier than
RESET/RESET whenever VCC falls below the VTRIP1
voltage and returns high when VCC exceeds the
VTRIP1 voltage. There is no power up delay circuitry
(tPURST) on this pin.
Notice: No external components required to monitor three voltages.
Figure 3. VTRIPX Set/Reset Conditions
VTRIPX
(X = 1, 2, 3)
VCC/V2MON/V3MON
WDO
VP
SCL 0
70
70
7
SDA
A0h
00h tWC
7 FN8114.1
May 25, 2006

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관련 데이터시트

부품번호상세설명 및 기능제조사
X4003

CPU Supervisor

Xicor
Xicor
X4003

(X4003 / X4005) CPU Supervisor

Intersil Corporation
Intersil Corporation

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