参数资料
型号: CAT823RSDI-GT3
厂商: ON Semiconductor
文件页数: 4/12页
文件大小: 0K
描述: IC SUPERVISOR RESET SC-70-5
标准包装: 3,000
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 140 ms
电压 - 阀值: 2.63V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 6-TSSOP(5 引线),SC-88A,SOT-353
供应商设备封装: SC-70-5
包装: 带卷 (TR)
CAT823, CAT824, CAT825
Table 3. ELECTRICAL OPERATING CHARACTERISTICS (DC Characteristics: V CC = 3.0 V to 5.5 V for L/M versions;
V CC = 2.0 V to 3.6 V for the R/S/T/U/Y/Z version, ? 40 ° C ≤ T A ≤ +85 ° C unless otherwise noted. Typical Values at T A = 25 ° C and V CC = 5 V
for L/M versions; V CC = 3.3 V for the T/S versions; V CC = 3.0 V for the R version; and V CC = 2.5 V for the U/Y/Z versions.) (Note 1)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
WATCHDOG INPUT (CAT823 & CAT824)
t WD
t WDI
V IL
Watchdog Timeout Period
WDI Pulse Width
WDI Input Voltage (Note 3)
V IL = 0.4 V, V IH = 0.8 x V CC
1.12
50
1.60
3.20
0.3 x V CC
s
ns
V
V IH
0.7 x V CC
WDI Input Current (Note 4)
WDI = V CC , Time Average
WDI = 0 V, Time Average
? 20
120
? 15
160
m A
MANUAL RESET INPUT (CAT823 & CAT825)
V IL
V IH
t PB
t PDLY
MR Input Voltage
MR Pulse Width
MR low to Reset Delay
0.7 x V CC
1
0.3 x V CC
5
V
m s
m s
MR Noise Immunity
Pulse Width with No Reset
100
ns
MR Pullup Resistance
(internal)
35
52
75
k W
1.
2.
3.
4.
Over ? temperature limits are guaranteed by design and not production tested.
The RESET short ? circuit current is the maximum pull ? up current when reset is driven low by a bidirectional output.
WDI is internally serviced within the watchdog period if WDI is left open.
The WDI input current is specified as an average input current when the WDI input is driven high or low. The WDI input if connected to
a three ? stated output device can be disabled in the tristate mode as long as the leakage current is less than 10 m A and a maximum capacitance
of less than 200 pF. To clock the WDI input in the active mode the drive device must be able to source or sink at least 200 m A when active.
TYPICAL ELECTRICAL OPERATING CHARACTERISTICS
9
8
7
6
5
4
3
2
1.06
1.04
1.02
1.00
0.98
0.96
1
? 40
? 20
0
20
40
60
80
100
120
0.94
? 40
? 20
0
20
40
60
80
100
TEMPERATURE ( ° C)
Figure 2. V CC Supply Current vs. Temperature
http://onsemi.com
4
TEMPERATURE ( ° C)
Figure 3. Normalized Reset Threshold Voltage
vs. Temperature
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