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參數(shù)資料
| 型號： | TC1279-5ENB |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 3-Pin Reset Monitors for 5V Systems |
| 中文描述： | 3引腳復(fù)位監(jiān)控器的5V系統(tǒng) |
| 文件頁數(shù)： | 2/12頁 |
| 文件大?。?/td> | 424K |
| 代理商： | TC1279-5ENB |
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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TC1279-5ENBTR | 功能描述:監(jiān)控電路 3-Pin for 5V Systems RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| TC127A | 制造商:Thomas & Betts 功能描述:Fittings Connector 2.5inch Steel |
| TC127SC-1 | 制造商:Thomas & Betts 功能描述:2-1/2 STEEL EMT SETSCREW CONNECTOR |
| TC128A | 制造商:Thomas & Betts 功能描述:Connector Accessories Conduit Steel Zinc Plated |
| TC128SC-1 | 制造商:Thomas & Betts 功能描述:3 STEEL EMT SETSCREW CONNECTOR |
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