参数资料
型号: CAT825TTDI-GT3
厂商: ON Semiconductor
文件页数: 3/12页
文件大小: 0K
描述: IC SUPERVISOR MPU 3.08V TSOT23-5
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: 高有效/低有效
复位超时: 最小为 140 ms
电压 - 阀值: 3.08V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: SOT-23-5 细型,TSOT-23-5
供应商设备封装: TSOT-23-5
包装: 带卷 (TR)
其它名称: 825TTDI-GT3
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
I CC
Parameter
Supply Current
Conditions
CAT823 (L/M Versions)
CAT824 (L/M Versions)
Min
Typ
6
Max
17
Units
m A
CAT823 (R/S/T/Y/Z Versions)
CAT824 (R/S/T/U/Y/Z Versions)
CAT825 (L/M Versions)
CAT825 (R/S/T/Y/Z Versions)
4
3
2
12
8
6
V RST
Reset Threshold
CAT82_L at ? 40 ° C ≤ T A ≤ +85 ° C
4.50
4.63
4.75
V
Reset Threshold Tempco
CAT82_M at ? 40 ° C ≤ T A ≤ +85 ° C
CAT82_T at ? 40 ° C ≤ T A ≤ +85 ° C
CAT82_S at ? 40 ° C ≤ T A ≤ +85 ° C
CAT82_R at ? 40 ° C ≤ T A ≤ +85 ° C
CAT82_Z at ? 40 ° C ≤ T A ≤ +85 ° C
CAT82_Y at ? 40 ° C ≤ T A ≤ +85 ° C
CAT824U at ? 40 ° C ≤ T A ≤ +85 ° C
4.25
3.00
2.85
2.55
2.25
2.13
1.95
4.38
3.08
2.93
2.63
2.32
2.19
2.00
40
4.50
3.15
3.00
2.70
2.38
2.25
2.05
ppm/ ° C
Reset Threshold Hysteresis
CAT82_L/M
CAT82_R/S/T/Y/Z, CAT824U
10
5
mV
t RD
V CC to Reset Delay (Note 2)
V CC = V TH to (V TH ? 100 mV)
20
m s
t RP
V OH
Reset Active Timeout Period
RESET Output High Voltage
CAT82_L/M, V CC = V RST max ,
I SOURCE = ? 120 m A
140
V CC ? 1.5 V
200
400
ms
V
CAT82_T/S/R/Z/Y, CAT824U,
V CC = V RST max , I SOURCE = ? 30 m A
0.8 x V CC
V OL
RESET Output Low Voltage
CAT82_L/M, V CC = V RST min ,
I SINK = 3.2 mA
0.4
V
CAT82_T/S/R/Z/Y, CAT824U,
V CC = V RST min , I SINK = 1.2 mA
T A = 0 ° C to +70 ° C, V CC = 1 V,
V CC falling, I SINK = 50 m A
T A = T MIN to T MAX , V CC = 1.2 V,
V CC falling, I SINK = 100 m A
0.3
0.3
0.3
I SOURCE
V OH
V OL
RESET Output
Short ? Circuit Current
Reset Output Voltage
CAT82_L/M, Reset = 0 V, V CC = 5.5 V
CAT82_L/M, Reset = 0 V, V CC = 3.6 V
V CC > 1.8 V, I SOURCE = ? 150 m A
CAT824L/M & CAT825L/M,
V CC = V RST max , I SINK = 3.2 mA
0.8 x V CC
1.5
0.8
0.4
mA
V
CAT824R/S/T/U/Y/Z &
CAT825R/S/T/Y/Z,
V CC = V RST max , I SINK = 1.2 mA
0.3
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.
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