参数资料
型号: DS1817-5/T&R
厂商: Maxim Integrated Products
文件页数: 1/5页
文件大小: 0K
描述: IC ECONRST 3.3V ACT HI 5% TO92-3
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,000
系列: EconoReset
类型: 简单复位/加电复位
监视电压数目: 1
输出: 推挽式,图腾柱
复位: 高有效
复位超时: 最小为 100 ms
电压 - 阀值: 3.06V
工作温度: -40°C ~ 85°C
安装类型: 通孔
封装/外壳: TO-226-3、TO-92-3(TO-226AA)成形引线
供应商设备封装: TO-92-3
包装: 带卷 (TR)
DS1817
Active High 3.3V EconoReset
www.maxim-ic.com
3
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FEATURES
§ Automatically restarts a microprocessor after
power failure
§ Maintains reset for 150 ms after V CC returns
to an in-tolerance condition
§ Reduces need for discrete components
§ Precision temperature-compensated voltage
reference and voltage sensor
§ Accurate 5%, 10% or 20% power monitoring
§ 20% tolerance for use with 3.0-volt systems
§ Low-cost TO-92 or space saving surface
mount SOT-23 packages available
§ Push-pull active high output
§ Operating temperature -40°C to +85°C
PIN ASSIGNMENT
DALLAS
DS1817
Econo
Reset
1 2
TOP VIEW
SOT-23 PACKAGE
See Mech.
Drawings Section
On Website
1 2 3
BOTTOM VIEW
TO-92 PACKAGE
See Mech.
Drawings Section
On Website
PIN DESCRIPTION
TO-92
1
2
3
RST
V CC
GND
Active High Reset Output
Power Supply
Ground
SOT-23
1
2
3
RST
V CC
GND
Active High Reset Output
Power Supply
Ground
DESCRIPTION
The DS1817 EconoReset uses a precision temperature reference and comparator circuit to monitor the
status of the power supply (V CC ). When an out-of-tolerance condition is detected, an internal power-fail
signal is generated which forces reset to the active state. When V CC returns to an in-tolerance condition,
the reset signal is kept in the active state for approximately 150 ms to allow the power supply and
processor to stabilize.
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041002
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