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数据表
STC803/809/810-811/812/-823/824/825-6342/6343/6344/6345
P监控电路
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------
特点
精密电源电压监控器
- 4.63V ( STC8xxL , STC634xL )
- 4.38V ( STC8xxM , STC634xM )
- 3.08V ( STC8xxT , STC634xT )
- 2.93V ( STC8xxS , STC634xS )
- 2.63V ( STC8xxR , STC634xR )
- 2.32V ( STC8xxZ , STC634xZ )
- 2.20V ( STC8xxY , STC634xY )
200ms的复位脉冲宽度
去抖CMOS兼容手动复位输入
(811, 812, 823, 825, 6342-6344)
复位输出信号,看门狗和电源
异常,手动复位
复位推挽输出( STC809,811,823 ,
824,825,6342,6345)
复位开漏输出( STC803 / 6343 )
电压监控器电源故障或低电池报警
保证RESET / RESET有效的V
CC
= 1.0V
介绍
该STCxxx家族微处理器(μP)
监控电路有针对性地提高可靠性
并在微处理器系统中的电源电路的准确性。
这些设备减少了的复杂性和数目
所需的部件来监控电源和
电池的功能。
其主要功能有:
1.断言在电复位输出,加电
下来和掉电情况下为μP系统;
2.检测电源故障或低电池电压条件
用1.25V阈值检测器;
3.看门狗功能;
4.手动复位。
应用
在微处理器系统中的电源电路
订购信息
产品型号
复位输出
推挽
漏极开路
-
-
-
-
-
-
-
-
-
-
RESET
产量
(推挽式)
-
-
-
-
-
-
手动复位
输入
-
-
-
-
-
电源故障
探测器
(1.25V)
-
-
-
-
-
-
-
-
看门狗
输入
-
-
-
-
-
-
-
-
-
-
1
2
3
4
5
6
7
8
9
10
11
12
STC803X
STC809X
STC810X
STC811X
STC812X
STC823X
STC824X
STC825X
STC6342X
STC6343X
STC6344X
STC6345X
-
-
-
-
-
SOT23-3
SOT23-5
SOT23-6
说明: X - 监控电压
后缀X
复位门限( V)
STC
L
4.63
M
4.38
T
3.08
S
2.93
R
2.63
Z
2.32
Y
2.20
Ver1.0
1
数据表
STC803/809/810-811/812/-823/824/825-6342/6343/6344/6345
P监控电路
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------
目录
产品特点....................................................................................................................................................... 1
订购信息.................................................................................................................................. 1
引言................................................................................................................................................. 1
框图............................................................................................................................................ 3
标识信息................................................................................................................................... 4
销信息...........................................................................................................................................五
引脚配置..............................................................................................................................五
引脚说明.................................................................................................................................. 6
功能描述................................................................................................................................ 7
复位输出...................................................................................................................................... 7
看门狗定时器................................................................................................................................ 7
手动复位..................................................................................................................................... 7
电源失效比较器..................................................................................................................... 7
推荐工作条件............................................... .................................................. 8
详细规格................................................................................................................................ 8
绝对最大额定值.............................................................................................................. 8
直流电气特性............................................................................................................. 9
AC电气特性........................................................................................................... 10
机械信息............................................................................................................................ 11
笔记......................................................................................................................................................... 14
STC
2
Ver1.0
数据表
STC803/809/810-811/812/-823/824/825-6342/6343/6344/6345
P监控电路
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------
框图
图1.框图
WDI
看门狗
状态监视
V CC
看门狗定时器
时基复位
&看门狗
MR
复位发生器
VCC
RESET
( RESET )
V
RST
PFI
1.25V
PFO
STC
3
Ver1.0
数据表
STC803/809/810-811/812/-823/824/825-6342/6343/6344/6345
P监控电路
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------
标识信息
OD ê
12
DESCR IP吨离子
产品型号
YEAR
工作周
1
2
3
4
3
4
型号代码
代码1 2
AA
AB
AC
AD
AE
AF
AG
AH
AI
AJ
AK
AL
AM
AN
AO
AP
AQ
AR
AS
AT
AU
AV
AW
AX
AY
AZ
BA
BB
产品型号
STC809L
STC809M
STC809T
STC809S
STC809R
STC809Z
STC809Y
STC810L
STC810M
STC810T
STC810S
STC810R
STC810Z
STC810Y
STC811L
STC811M
STC811T
STC811S
STC811R
STC811Z
STC811Y
STC812L
STC812M
STC812T
STC812S
STC812R
STC812Z
STC812Y
代码1 2
BC
BD
BE
BF
BG
BH
BI
BJ
BK
BL
BM
BN
BO
BP
BQ
BR
BS
BT
BU
BV
BW
BX
BY
BZ
CA
CB
CC
CD
产品型号
STC803L
STC803M
STC803T
STC803S
STC803R
STC803Z
STC803Y
STC823L
STC823M
STC823T
STC823S
STC823R
STC823Z
STC823Y
STC824L
STC824M
STC824T
STC824S
STC824R
STC824Z
STC824Y
STC825L
STC825M
STC825T
STC825S
STC825R
STC825Z
STC825Y
代码1 2
CE
CF
CG
CH
CI
CJ
CK
CL
CM
CN
CO
CP
CQ
CR
CS
CT
CU
CV
CW
CX
CY
CZ
DA
DB
DC
DD
DE
DF
产品型号
STC6342L
STC6342M
STC6342T
STC6342S
STC6342R
STC6342Z
STC6342Y
STC6343L
STC6343M
STC6343T
STC6343S
STC6343R
STC6343Z
STC6343Y
STC6344L
STC6344M
STC6344T
STC6344S
STC6344R
STC6344Z
STC6344Y
STC6345L
STC6345M
STC6345T
STC6345S
STC6345R
STC6345Z
STC6345Y
STC
4
Ver1.0
数据表
STC803/809/810-811/812/-823/824/825-6342/6343/6344/6345
P监控电路
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------
销信息
引脚配置
图2.引脚配置
SOT23-3
STC803
STC809
GND
STC810
1
GND
1
VCC
3
VCC
3
2
RESET
2
RESET
SOT23-5
STC811
1
GND
VCC
5
STC812
1
GND
VCC
5
2
NC
2
NC
3
RESET
MR
4
3
RESET
MR
4
STC823
1
RESET
VCC
5
STC824
1
RESET
VCC
5
1
STC825
RESET
VCC
5
2
GND
2
GND
2
GND
3
MR
WDI
4
3
RESET
WDI
4
3
RESET
MR
4
SOT23-6
STC6342
STC6343
1
VCC
RESET
6
1
STC6344
VCC
RESET
6
1
STC6345
VCC
RESET
6
2
GND
MR
5
2
GND
MR
5
2
GND
RESET
5
3
PFI
PFO
4
3
PFI
PFO
4
3
PFI
PFO
4
STC
5
Ver1.0
数据表
STC803/809/810-811/812/-823/824/825-6342/6343/6344/6345
P监控电路
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------
特点
精密电源电压监控器
- 4.63V ( STC8xxL , STC634xL )
- 4.38V ( STC8xxM , STC634xM )
- 3.08V ( STC8xxT , STC634xT )
- 2.93V ( STC8xxS , STC634xS )
- 2.63V ( STC8xxR , STC634xR )
- 2.32V ( STC8xxZ , STC634xZ )
- 2.20V ( STC8xxY , STC634xY )
200ms的复位脉冲宽度
去抖CMOS兼容手动复位输入
(811, 812, 823, 825, 6342-6344)
复位输出信号,看门狗和电源
异常,手动复位
复位推挽输出( STC809,811,823 ,
824,825,6342,6345)
复位开漏输出( STC803 / 6343 )
电压监控器电源故障或低电池报警
保证RESET / RESET有效的V
CC
= 1.0V
介绍
该STCxxx家族微处理器(μP)
监控电路有针对性地提高可靠性
并在微处理器系统中的电源电路的准确性。
这些设备减少了的复杂性和数目
所需的部件来监控电源和
电池的功能。
其主要功能有:
1.断言在电复位输出,加电
下来和掉电情况下为μP系统;
2.检测电源故障或低电池电压条件
用1.25V阈值检测器;
3.看门狗功能;
4.手动复位。
应用
在微处理器系统中的电源电路
订购信息
产品型号
复位输出
推挽
漏极开路
-
-
-
-
-
-
-
-
-
-
RESET
产量
(推挽式)
-
-
-
-
-
-
手动复位
输入
-
-
-
-
-
电源故障
探测器
(1.25V)
-
-
-
-
-
-
-
-
看门狗
输入
-
-
-
-
-
-
-
-
-
-
1
2
3
4
5
6
7
8
9
10
11
12
STC803X
STC809X
STC810X
STC811X
STC812X
STC823X
STC824X
STC825X
STC6342X
STC6343X
STC6344X
STC6345X
-
-
-
-
-
SOT23-3
SOT23-5
SOT23-6
说明: X - 监控电压
后缀X
复位门限( V)
STC
L
4.63
M
4.38
T
3.08
S
2.93
R
2.63
Z
2.32
Y
2.20
Ver1.0
1
数据表
STC803/809/810-811/812/-823/824/825-6342/6343/6344/6345
P监控电路
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------
目录
产品特点....................................................................................................................................................... 1
订购信息.................................................................................................................................. 1
引言................................................................................................................................................. 1
框图............................................................................................................................................ 3
标识信息................................................................................................................................... 4
销信息...........................................................................................................................................五
引脚配置..............................................................................................................................五
引脚说明.................................................................................................................................. 6
功能描述................................................................................................................................ 7
复位输出...................................................................................................................................... 7
看门狗定时器................................................................................................................................ 7
手动复位..................................................................................................................................... 7
电源失效比较器..................................................................................................................... 7
推荐工作条件............................................... .................................................. 8
详细规格................................................................................................................................ 8
绝对最大额定值.............................................................................................................. 8
直流电气特性............................................................................................................. 9
AC电气特性........................................................................................................... 10
机械信息............................................................................................................................ 11
笔记......................................................................................................................................................... 14
STC
2
Ver1.0
数据表
STC803/809/810-811/812/-823/824/825-6342/6343/6344/6345
P监控电路
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------
框图
图1.框图
WDI
看门狗
状态监视
V CC
看门狗定时器
时基复位
&看门狗
MR
复位发生器
VCC
RESET
( RESET )
V
RST
PFI
1.25V
PFO
STC
3
Ver1.0
数据表
STC803/809/810-811/812/-823/824/825-6342/6343/6344/6345
P监控电路
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------
标识信息
OD ê
12
DESCR IP吨离子
产品型号
YEAR
工作周
1
2
3
4
3
4
型号代码
代码1 2
AA
AB
AC
AD
AE
AF
AG
AH
AI
AJ
AK
AL
AM
AN
AO
AP
AQ
AR
AS
AT
AU
AV
AW
AX
AY
AZ
BA
BB
产品型号
STC809L
STC809M
STC809T
STC809S
STC809R
STC809Z
STC809Y
STC810L
STC810M
STC810T
STC810S
STC810R
STC810Z
STC810Y
STC811L
STC811M
STC811T
STC811S
STC811R
STC811Z
STC811Y
STC812L
STC812M
STC812T
STC812S
STC812R
STC812Z
STC812Y
代码1 2
BC
BD
BE
BF
BG
BH
BI
BJ
BK
BL
BM
BN
BO
BP
BQ
BR
BS
BT
BU
BV
BW
BX
BY
BZ
CA
CB
CC
CD
产品型号
STC803L
STC803M
STC803T
STC803S
STC803R
STC803Z
STC803Y
STC823L
STC823M
STC823T
STC823S
STC823R
STC823Z
STC823Y
STC824L
STC824M
STC824T
STC824S
STC824R
STC824Z
STC824Y
STC825L
STC825M
STC825T
STC825S
STC825R
STC825Z
STC825Y
代码1 2
CE
CF
CG
CH
CI
CJ
CK
CL
CM
CN
CO
CP
CQ
CR
CS
CT
CU
CV
CW
CX
CY
CZ
DA
DB
DC
DD
DE
DF
产品型号
STC6342L
STC6342M
STC6342T
STC6342S
STC6342R
STC6342Z
STC6342Y
STC6343L
STC6343M
STC6343T
STC6343S
STC6343R
STC6343Z
STC6343Y
STC6344L
STC6344M
STC6344T
STC6344S
STC6344R
STC6344Z
STC6344Y
STC6345L
STC6345M
STC6345T
STC6345S
STC6345R
STC6345Z
STC6345Y
STC
4
Ver1.0
数据表
STC803/809/810-811/812/-823/824/825-6342/6343/6344/6345
P监控电路
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------
销信息
引脚配置
图2.引脚配置
SOT23-3
STC803
STC809
GND
STC810
1
GND
1
VCC
3
VCC
3
2
RESET
2
RESET
SOT23-5
STC811
1
GND
VCC
5
STC812
1
GND
VCC
5
2
NC
2
NC
3
RESET
MR
4
3
RESET
MR
4
STC823
1
RESET
VCC
5
STC824
1
RESET
VCC
5
1
STC825
RESET
VCC
5
2
GND
2
GND
2
GND
3
MR
WDI
4
3
RESET
WDI
4
3
RESET
MR
4
SOT23-6
STC6342
STC6343
1
VCC
RESET
6
1
STC6344
VCC
RESET
6
1
STC6345
VCC
RESET
6
2
GND
MR
5
2
GND
MR
5
2
GND
RESET
5
3
PFI
PFO
4
3
PFI
PFO
4
3
PFI
PFO
4
STC
5
Ver1.0
查看更多STC809RPDF信息
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