参数资料
型号: X40235S16I-A
厂商: Intersil
文件页数: 1/36页
文件大小: 0K
描述: IC VOLTAGE MON TRPL EE 16-SOIC
标准包装: 94
类型: 多压监控器
监视电压数目: 3
输出: 开路漏极,开路漏极
复位: 高有效/低有效
复位超时: 可调节/可选择
电压 - 阀值: 1.75V,2.2V,2.95V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.295",7.50mm 宽)
供应商设备封装: 16-SOIC
包装: 管件
?
X40231, X40233, X40235, X40237, X40239
Integrated System Management IC
Data Sheet
April 11, 2005
FN8115.0
Triple Voltage Monitors, POR, 2 kbit
EEPROM Memory, and Single/Dual DCP
FEATURES
? Triple Voltage Monitors
—User Programmable Threshold Voltage
—Power-on Reset (POR) Circuitry
—Software Selectable Reset timeout
—Manual Reset Input
? 2-Wire industry standard Serial Interface
? 2 kbit EEPROM with Write Protect & Block Lock TM
? Digitally Controlled Potentiometers (DCP)
X4023X Family Selector Guide
X= 256 tap 100 tap 64 Tap
1 1
DESCRIPTION
The X4023x family of Integrated System Manage-
ment ICs combine CPU Supervisor functions (V CC
Power-onpower-on Reset (POR) circuitry, two addi-
tional programmable voltage monitor inputs with soft-
ware and hardware indicators), integrated EEPROM
with Block Lock TM protection and one or two Intersil
Digitally Controlled Potentiometers (XDCP). All func-
tions of the X4023x are accessed by an industry
standard 2-Wire serial interface.
APPLICATIONS
The DCP of the X4023x may be utilized to software
control analog voltages for:
– LCD contrast, LCD purity, or Backlight control.
– Power Supply settings such as PWM frequency,
3
5
1
1
Voltage Trimming or Margining (temperature offset
control).
7
9
1
1
1
1
– Reference voltage setting (e.g. DDR-SDRAM SSTL-2)
The 2 kbit integrated EEPROM may be used to store
ID, manufacturer data, maintenance data and module
—Total Resistance
256 Tap = 100k ?, 100 Tap or 64 Tap = 10k ?
—Nonvolatile wiper position
—Write Protect Function
? Single Supply Operation
—2.7V to 5.5V
? 16 Pin SOIC (300) package
—SOIC
BLOCK DIAGRAM
8
definition data.
The programmable POR circuit insures V CC is stable
before RESET is removed and protects against
brown-outs and power failures. The programmable
voltage monitors have on-chip independent reference
alarm levels. With separate outputs, the voltage moni-
tors can be used for power-on sequencing.
R H
WP
PROTECT LOGIC
WIPER
COUNTER
REGISTER
R W
256 Tap DCP
SDA
DATA
REGISTER
4
CR
REGISTER
8 - BIT
NONVOLATILE
MEMORY
SCL
COMMAND
DECODE &
CONTROL
LOGIC
2 kbit
EEPROM
ARRAY
WIPER
COUNTER
REGISTER
R H
R W
Optional
64 or 100 Tap DCP
THRESHOLD
RESET LOGIC
8 - BIT
Manual Reset (MR)
V3MON
V2MON
VTRIP 3
VTRIP 2
-
+
-
+
2
NONVOLATILE
MEMORY
V3FAIL
V2FAIL
V CC
+
POWER-ON /
LOW VOLTAGE
RESET
V SS
VTRIP 1
RESET
GENERATION
?2000 Intersil Inc., Patents Pending (VTRIP 1,2,3 are user programmable)
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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X40237 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Triple Voltage Monitors, POR, 2 kbit EEPROM MEMORY, and Single/Dual DCP
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