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| 型号： | TC1276-5ENB |
| 厂商： | Microchip Technology Inc. |
| 英文描述： | 3-Pin Reset Monitors for 3.3V Systems |
| 中文描述： | 3引脚复位监控器为3.3V系统 |
| 文件页数： | 2/12页 |
| 文件大小： | 456K |
| 代理商： | TC1276-5ENB |
TC1275/TC1276/TC1277
DS21383C-page 2
2007 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
..............................................20 mA
Output Current, RESET, RESET........................20 mA
Power Dissipation (T
A
≤
70°C)
3-Pin SOT-23 (derate 4 mW/°C above +70°C)
................................................................230 mW
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.
TC1275/TC1276/TC1277 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
Supply Voltage
1.2
1.8
—
—
5.5
5.5
V
TC1275, TC1276
TC1277
Note 1
DC Electrical Characteristics:
T
A
= -40°C to +85°C unless otherwise noted. Typical values are at T
A
= +25°C.
Symbol
Parameter
Min
Typ
Max
Units
Test Conditions
V
OH
I
OH
Output Voltage @ 0-500
μ
A
V
CC
– 0.5V V
CC
– 0.1V
—
V
TC1275, TC1277
Note 1
Output Current @ 2.4 Volts
V
CC
= 5V
V
CC
= 2.7V
Output Current @ 0.4 Volts
—
—
13
1.3
—
—
mA
TC1275
TC1277
Note 2
I
OL
I
CC
+10
30
—
mA
Note 2, Note 5
Operating Current
V
CC
< 5.5V
V
CCTP
< V
CC
< 5.5V
V
CC
< V
CCTP
V
CC
Trip Point (TC1275/6/7-5)
V
CCTP-10
V
CC
Trip Point (TC1275/6/7-10)
V
CCTP-20
V
CC
Trip Point (TC1275/6/7-20)
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.
—
—
—
20
20
350
35
35
700
μA
TC1275, TC1277
TC1276
TC1276
Note 3
Note 3
Note 3
V
CCTP-5
2.98
3.06
3.15
V
Note 1
2.80
2.88
2.97
V
Note 1
2.47
2.55
2.64
V
Note 1
—
9
—
pF
k
Ω
3.0
6.0
9.0
TC1276
Symbol
Parameter
Min
Typ
Max
Units
Test Conditions
t
RST
t
RPD1
t
RPD2
t
F
RESET Active Time
100
200
300
ms
V
CC
Detect to RESET
V
CC
Detect to RESET
V
CC
Slew Rate
(V
CCTP
(MAX) to V
CCTP
(MIN))
V
CC
Slew Rate
(V
CCTP
(MIN) to V
CCTP
(MAX))
V
CC
Detect to RESET
V
CC
Detect to RESET
All voltages referenced to ground.
Measured with V
≥
2.7 volts.
Measured with RESET output open for TC1275/TC1276; measured with RESET output open for TC1277.
t
= 5 μs.
A 1 k
Ω
external resistor may be required in some applications for proper operation of the microprocessor reset control circuit when using
the TC1276.
—
20
50
μs
TC1275, TC1276 V
CC(LOW)
= 1V,
Figure 3-2
TC1277
V
CC(LOW)
= 1V,
Figure 3-4
Figure 3-2
,
Figure 3-4
—
20
50
μs
300
—
—
μs
t
R
0
—
—
ns
Figure 3-1
,
Figure 3-3
t
RPU1
t
RPU2
Note
100
200
300
ms
TC1275, TC1276 Note 4,
Figure 3-1
100
200
300
ms
TC1277
Note 4,
Figure 3-3
1:
2:
3:
4:
5:
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PDF描述 |
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| TC1277-10ENB | 3-Pin Reset Monitors for 3.3V Systems |
| TC1277-5ENB | 3-Pin Reset Monitors for 3.3V Systems |
| TC1278-10ENBTR | 3-Pin Reset Monitors for 5V Systems |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TC1276-5ENBTR | 功能描述:监控电路 3-Pin for 3.3V Syst 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 |
| TC1276-XENB | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:3-Pin Reset Monitors for 3.3V Systems |
| TC1277 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:3-Pin Reset Monitors for 3.3V Systems |
| TC1277-10ENB | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:3-Pin Reset Monitors for 3.3V Systems |
| TC1277-10ENBTR | 功能描述:监控电路 3-Pin for 3.3V Syst 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 |
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