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X40010S8-C Datasheet

  • X40010S8-C

  • Dual Voltage Monitor with Integrated CPU Supervisor

  • 25頁

  • XICOR   XICOR

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New Features
鈥?Monitor Voltages: 5V to 0.9V
鈥?Independent Core Voltage Monitor
Preliminary Datasheet
X40010/X40011/X40014/X40015
Dual Voltage Monitor with Integrated CPU Supervisor
FEATURES
鈥?Dual voltage detection and reset assertion
鈥擲tandard reset threshold settings
See Selection table on page 2.
鈥擜djust low voltage reset threshold voltages
using special programming sequence
鈥擱eset signal valid to V
CC
= 1V
鈥擬onitor three voltages or detect power fail
鈥?Independent Core Voltage Monitor (V2MON)
鈥?Fault detection register
鈥?Selectable power on reset timeout (0.05s,
0.2s, 0.4s, 0.8s)
鈥?Selectable watchdog timer interval (25ms, 200ms,
1.4s, off)
鈥?Low power CMOS
鈥?5碌A(chǔ) typical standby current, watchdog on
鈥?碌A(chǔ) typical standby current, watchdog off
鈥?400kHz 2-wire interface
鈥?2.7V to 5.5V power supply operation
鈥?Available packages
鈥?-lead SOIC, TSSOP
APPLICATIONS
鈥?Communication Equipment
鈥擱outers, Hubs, Switches
鈥擠isk Arrays, Network Storage
鈥?Industrial Systems
鈥擯rocess Control
鈥擨ntelligent Instrumentation
鈥?Computer Systems
鈥擟omputers
鈥擭etwork Servers
DESCRIPTION
The X40010/11/14/15 combines power-on reset con-
trol, watchdog timer, supply voltage supervision, and
secondary voltage supervision, in one package. This
combination lowers system cost, reduces board space
requirements, and increases reliability.
Applying voltage to V
CC
activates the power on reset
circuit 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 V
CC
detection circuitry protects the user鈥檚 system
from low voltage conditions, resetting the system when
V
CC
falls below the minimum V
TRIP1
point. RESET/
RESET is active until V
CC
returns to proper operating
level and stabilizes. A second 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 avail-
able, however, Xicor鈥檚 unique circuits allows the
BLOCK DIAGRAM
Watchdog Timer
and
Reset Logic
SDA
Data
Register
Command
Decode Test
& Control
Logic
Threshold
Reset Logic
Fault Detection
Register
Status
Register
WDO
SCL
V
CC
(V1MON)
+
User Programmable
V
TRIP1
User Programmable
V
TRIP2
-
+
-
V2MON
V
CC
Power on,
Low Voltage
Reset
Generation
RESET
X40010/14
RESET
X40011/15
V2MON
V2FAIL
*X40010/11 = V2MON*
X40014/15 = V
CC
REV 1.3.4 7/12/02
www.xicor.com
Characteristics subject to change without notice.
1 of 25

X40010S8-C 產(chǎn)品屬性

  • 100

  • 集成電路 (IC)

  • PMIC - 監(jiān)控器

  • -

  • 多壓監(jiān)控器

  • 2

  • 推挽式，圖騰柱

  • 高有效

  • 可調(diào)節(jié)/可選擇

  • 1.7V，2.9V

  • 0°C ~ 70°C

  • 表面貼裝

  • 8-SOIC（0.154"，3.90mm 寬）

  • 8-SOIC

  • 管件

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