参数资料
型号: ADM6384YKS34D2Z-R7
厂商: Analog Devices Inc
文件页数: 10/12页
文件大小: 0K
描述: IC SUPERVISOR MPU RESET SC70-4
标准包装: 1
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: 低有效
复位超时: 最小为 20 ms
电压 - 阀值: 3.4V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: SC-82A,SOT-343
供应商设备封装: SC-70-4
包装: 标准包装
其它名称: ADM6384YKS34D2Z-R7DKR

ADM6384
APPLICATIONS INFORMATION
NEGATIVE-GOING V CC TRANSIENTS
To avoid unnecessary resets caused by fast power supply tran-
sients, the ADM6384 is equipped with glitch rejection circuitry.
The typical performance characteristic shown in Figure 10 plots
V CC transient duration vs. the transient magnitude. The curves
show combinations of transient magnitude and duration for which
a reset is not generated for 4.63 V and 2.93 V reset threshold
parts. For example, with the 2.93 V threshold, a transient that
goes 100 mV below the threshold and lasts 8 μs typically does not
cause a reset, but if the transient is any greater in magnitude or
duration, a reset is generated. An optional 0.1 μF bypass capacitor
ENSURING RESET VALID TO V CC = 0 V
Both active-low and active-high reset outputs are guaranteed to
be valid for V CC as low as 1 V. However, by using an external
resistor with push-pull configured reset outputs, valid outputs
for V CC as low as 0 V are possible. For an active-low reset out-
put, a resistor connected between RESET and ground pulls the
output low when it is unable to sink current. A large resistance
such as 100 k? should be used to avoid overloading the reset
output when V CC is above 1 V.
V CC
mounted close to V CC provides additional glitch rejection.
ADM6384
RESET
100k ?
GND
Figure 13. Ensuring Reset Valid to V CC = 0 V
Rev. C | Page 10 of 12
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