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参数资料
| 型号： | TC1279 |
| 厂商： | Microchip Technology Inc. |
| 英文描述： | 3-Pin Reset Monitors for 5V Systems |
| 中文描述： | 3引脚复位监控器的5V系统 |
| 文件页数： | 2/12页 |
| 文件大小： | 424K |
| 代理商： | TC1279 |
TC1278/TC1279
DS21384B-page 2
2002 Microchip Technology Inc.
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings*
Supply Voltage (V
CC
to GND)..............................+6.0V
RESET, RESET...........................-0.3V to (V
CC
+ 0.3V)
Input Current, V
CC
...............................................20mA
Output Current, RESET.......................................20mA
Power Dissipation (T
A
≤
70°C)
3-Pin SOT-23B (derate 4mW/°C above +70°C)
.................................................................230mW
Operating Temperature Range.............-40°C to +85°C
Storage Temperature Range..............-65°C to +150°C
*Stresses above those listed under "Absolute Maximum
Ratings" may cause permanent damage to the device. These
are stress ratings only and functional operation of the device
at these or any other conditions above those indicated in the
operation sections of the specifications is not implied.
Exposure to Absolute Maximum Rating conditions for
extended periods may affect device reliability.
TC1278/TC1279 ELECTRICAL SPECIFICATIONS
Recommended DC Operating Conditions:
T
A
= -40°C to +85°C unless otherwise noted. Typical values are at T
A
= +25°C.
Symbol
Parameter
Min
Typ
Max
Units
Device
Test Conditions
V
CC
DC Electrical Characteristics:
T
A
= -40°C to +85°C unless otherwise noted. Typical values are at T
A
= +25°C.
Supply Voltage
1.2
—
5.5
V
Note 1
Symbol
Parameter
Min
Typ
Max
Units
Test Conditions
V
OL
Low Level @ RESET
RESET
Output Current @ 0.4 Volts
Operating Current
—
—
0.4
V
TC1278
TC1279
Note 1
I
OL
I
CC1
+8
—
—
—
—
4.50
4.25
4.00
—
3
—
0.9
—
—
0.9
4.625
4.375
4.125
9
6
—
2.0
40
40
2.0
4.74
4.49
4.24
—
9
mA
mA
μ
A
μ
A
mA
V
V
V
pF
k
Note 2
V
CC
> V
CCTP(MAX)
V
CC
> V
CCTP(MAX)
V
CC
< V
CCTP(MIN)
V
CC
< V
CCTP(MIN)
Note 1
Note 1
Note 1
TC1278
TC1279
TC1278
TC1279
I
CC2
Operating Current
V
CCTP-5
V
CCTP-10
V
CC
Trip Point (TC1278/9-10)
V
CCTP-15
V
CC
Trip Point (TC1278/9-15)
C
OUT
Output Capacitance
R
P
Internal Pull-Up Resistor
AC Electrical Characteristics:
T
A
= -40°C to +85°C unless otherwise noted. Typical values are at T
A
= +25°C.
V
CC
Trip Point (TC1278/9-5)
Symbol
Parameter
Min
Typ
Max
Units
Test Conditions
t
RST
t
RPD1
t
RPD2
t
F
RESET Active Time
V
CC
Detect to RESET
V
CC
Detect to RESET
V
CC
Slew Rate
(4.75V-4.00V)
V
CC
Slew Rate
(4.00V-4.75V)
V
CC
Detect to RESET
V
CC
Detect to RESET
All voltages referenced to ground.
A 1k
external resistor may be required in some applications for proper operation of the microprocessor reset control circuit when using
the TC1279. V
CC
= 1.8V.
250
—
—
300
350
2
2
—
450
5
5
—
msec
μ
sec
μ
sec
μ
sec
TC1279
TC1278
Figure 3-2
Figure 3-4
Figure 3-2, Figure 3-4
t
R
0
—
—
nsec
Figure 3-1, Figure 3-3
t
RPU1
t
RPU2
Note
250
250
350
350
450
450
msec TC1279
msec TC1278
Figure 3-1
Figure 3-3
1:
2:
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TC1279-10ENB | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:3-Pin Reset Monitors for 5V Systems |
| TC1279-10ENBTR | 功能描述:监控电路 3-Pin for 5V Systems RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| TC1279-15ENB | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:3-Pin Reset Monitors for 5V Systems |
| TC1279-15ENBTR | 功能描述:监控电路 3-Pin for 5V Systems RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| TC1279-5ENB | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:3-Pin Reset Monitors for 5V Systems |
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