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| 型号： | SP708TEN-L/TR |
| 厂商： | Exar Corporation |
| 文件页数： | 2/16页 |
| 文件大小： | 0K |
| 描述： | IC MPU SUPERVISORY CIRCUIT 8SOIC |
| 标准包装： | 2,500 |
| 类型： | 简单复位/加电复位 |
| 监视电压数目： | 1 |
| 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： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOICN |
| 包装： | 带卷 (TR) |
S P 7 0 6 R / S / T - S P 7 0 8 R / S / T
3 . 0 V / 3 . 3 V L o w P o w e r M i c r o p r o c e s s o r S u p e r v i s o r y
C i r c u i t s
ABSOLUTE MAXIMUM RATINGS
These are stress ratings only and functional operation of
the device at these ratings or any other above those
indicated in the operation sections of the specifications
below is not implied. Exposure to absolute maximum
rating conditions for extended periods of time may affect
reliability.
ESD Rating (HBM - Human Body Model) .................... 2kV
Continuous Power Dissipation
SO (derate 5.88mW/°C above +70°C)...............471mW
Mini SO (derate 4.10mW/°C above +70°C) ........330mW
Storage Temperature ..............................-65°C to 160°C
Lead Temperature (Soldering, 10 sec) ....................300°C
V CC .......................................................... -0.3V to 6.0V
All Other Inputs (Note 1) ................... -0.3V to (V CC +0.3V)
Input Current
VCC .................................................................20mA
GND ................................................................20mA
Output Current (All outputs) ...............................20mA
ELECTRICAL SPECIFICATIONS
Unless otherwise indicated, V CC = 2.7V to 5.5V (SP70xR), V CC = 3.15V to 5.5V (SP70xS), V CC = 3.0V to 5.5V (SP70xT), T A =
T MIN to T MAX , typical at 25°C.
Parameter
Operating Voltage Range V CC
Supply Current I SUPPLY
Reset Threshold
Min.
1.0
2.55
2.85
Typ.
25
2.63
2.93
Max.
5.5
40
2.70
3.00
Units
V
μA
V
Conditions
MR =V CC or floating, WDI floating
SP706R. SP708R
SP706S. SP708S
Reset Threshold Hysteresis
3.00
3.08
20
3.15
mV
SP706T. SP708T
Note 2
Reset Pulse Width t RS
140
200
280
ms
Note 2
RESET Output Voltage
V OH
0.8xV CC
V RST(MAX) <V CC <3.6V, I SOURCE =500μA
V OL
V OH
V OL
V CC -1.5
0.3
0.4
V
V RST(MAX) <V CC <3.6V, I SINK =1.2mA
4.5V<V CC <5.5V, I SOURCE =800μA
4.5V<V CC <5.5V, I SINK =3.2mA
RESET Output Voltage
V OH
V CC -0.6
V RST(MAX) <V CC <3.6V, I SOURCE =215μA
V OL
V OH
V OL
V CC -1.5
0.3
0.4
V
V RST(MAX) <V CC <3.6V, I SOURCE =1.2mA
4.5V<V CC <5.5V, I SOURCE =800μA
4.5V<V CC <5.5V, I SOURCE =3.2mA
Watchdog Timeout Period t WD
WDI Pulse Width t WP (note 1)
1.00
50
1.60
2.25
s
ns
V CC <3.6V
V IL =0.4V, V IH =0.8xV CC
WDI Input Threshold
V IL
0.6
V RST(MAX) <V CC <3.6V
V IH
V IL
V IH
0.7xV CC
3.5
0.8
V
V RST(MAX) <V CC <3.6V
V CC =5V
V CC =5V
WDI Input Current
-1
0.02
1
μA
WDI=0V or WDI=V CC
WDO Output Voltage
V IL
0.8xV CC
V RST(MAX) <V CC <3.6V, I SOURCE =500μA
V IH
V IL
V IH
V CC -1.5
0.3
0.4
V
V RST(MAX) <V CC <3.6V, I SINK =1.2mA
4.5V<V CC <5.5V, I SOURCE =800μA
4.5V<V CC <5.5V, I SINK =3.2mA
MR Pull-up Current
25
100
70
250
250
600
μA
MR = 0V, V RST(MAX) <V CC <3.6V
MR = 0V, 4.5V<V CC <5.5V
? 2010 Exar Corporation
2/16
Rev. 2.0.0
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