X40415 Datasheet: (X40410 - X40415) Dual Voltage Monitor





X40415 (X40410 - X40415) Dual Voltage Monitor Datasheet

Part Number X40415
Description (X40410 - X40415) Dual Voltage Monitor
Manufacture Intersil Corporation
Total Page 24 Pages
PDF Download Download X40415 Datasheet PDF

Features: ® X40410, X40411, X40414, X40415 4kbit EEPROM Data Sheet March 28, 2005 FN811 6.0 Dual Voltage Monitor with Integrat ed CPU Supervisor FEATURES • Dual vol tage detection and reset assertion —S tandard reset threshold settings See Se lection table on page 2. —Adjust low voltage reset threshold voltages using special programming sequence —Reset s ignal valid to VCC = 1V —Monitor thre e voltages or detect power fail • Ind ependent Core Voltage Monitor (V2MON) Fault detection register • Selecta ble power-on reset timeout (0.05s, 0.2s , 0.4s, 0.8s) • Selectable watchdog t imer interval (25ms, 200ms,1.4s, off) Low power CMOS —25µA typical stan dby current, watchdog on —6µA typica l standby current, watchdog off • 4Kb its of EEPROM —16 byte page write mod e —5ms write cycle time (typical) www .DataSheet4U.com • Built-in inadverte nt write protection —Power-up/power-d own protection circuitry —Block lock protect none or 1/2 of EEPROM • 400kHz 2-wire interface • 2.7V to 5.5V power supply operation BLOCK DI.

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®
Data Sheet
X40410, X40411, X40414, X40415
4kbit EEPROM
March 28, 2005
FN8116.0
Dual Voltage Monitor with Integrated CPU
Supervisor
FEATURES
• Dual voltage detection and reset assertion
—Standard reset threshold settings
See Selection table on page 2.
—Adjust low voltage reset threshold voltages
using special programming sequence
—Reset signal valid to VCC = 1V
—Monitor three voltages or detect power fail
• Independent Core Voltage Monitor (V2MON)
• Fault detection register
• Selectable power-on reset timeout (0.05s,
0.2s, 0.4s, 0.8s)
• Selectable watchdog timer interval (25ms,
200ms,1.4s, off)
• Low power CMOS
—25µA typical standby current, watchdog on
—6µA typical standby current, watchdog off
• 4Kbits of EEPROM
—16 byte page write mode
—5ms write cycle time (typical)
www.DataSheet4U.com
• Built-in inadvertent write protection
—Power-up/power-down protection circuitry
—Block lock protect none or 1/2 of EEPROM
• 400kHz 2-wire interface
• 2.7V to 5.5V power supply operation
BLOCK DIAGRAM
• Available packages
—8-lead SOIC, TSSOP
• Monitor Voltages: 5V to 0.9V
• Memory Security
• Independent Core Voltage Monitor
APPLICATIONS
• Communication Equipment
—Routers, Hubs, Switches
—Disk Arrays, Network Storage
• Industrial Systems
—Process Control
—Intelligent Instrumentation
• Computer Systems
— Computers
—Network Servers
DESCRIPTION
The X40410/11/14/15 combines power-on reset con-
trol, watchdog timer, supply voltage supervision, and
secondary voltage supervision, and Block Lockpro-
tect serial EEPROM in one package. This combination
lowers system cost, reduces board space require-
ments, and increases reliability.
Applying voltage to VCC activates the power-on reset
circuit which holds RESET/RESET active for a period of
time. This allows the power supply and system oscilla-
SDA
SCL
VCC
(V1MON)
V2MON
Data
Register
Command
Decode Test
& Control
Logic
Threshold
Reset Logic
Fault Detection
Register
Status
Register
EEPROM
Array
Watchdog Timer
and
Reset Logic
User Programmable
VTRIP1
User Programmable
VTRIP2
+
-
VCC or
+ V2MON
Power-on,
Low Voltage
Reset
Generation
-
*X40410/11= V2MON*
X40414/15 = VCC
WDO
RESET
X40410/14
RESET
X40411/15
V2FAIL
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-352-6832 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

                    
                    






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