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AP1701 PDF даташит

Спецификация AP1701 изготовлена ​​​​«Anachip» и имеет функцию, называемую «3-Pin Microprocessor Reset Circuits».

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Номер произв AP1701
Описание 3-Pin Microprocessor Reset Circuits
Производители Anachip
логотип Anachip логотип 

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AP1701 Даташит, Описание, Даташиты
3-Pin Microprocessor Reset Circuits
AP1701/2/3/4
„ Features
- Precision Monitoring of +3V, +3.3V, and +5V
Power-Supply Voltages
- Fully Specified Over Temperature
- Available in Three Output Configurations
- Push-Pull RESET Low Output (AP1701/3)
- Push-Pull RESET High Output (AP1702/4)
- 140ms min Power-On Reset Pulse Width
- 12µA Supply Current
- Guaranteed Reset Valid to VCC = +1V
- Power Supply Transient Immunity
- No External Components
- 3-pin SOT23 package
„ Applications
- Computers
- Controllers
- Intelligent Instruments
- Critical µP and µC Power Monitoring
- Portable/Battery Powered Equipment
- Automotive
„ General Description
The AP1701/2/3/4 are used for microprocessor (µP)
supervisory circuits to monitor the power supplies in
µP and digital systems. They provide excellent
circuit reliability and low cost by eliminating external
components and adjustments when used with +5V,
+3.3V, +3.0V powered circuits.
These circuits perform a single function: they assert
a reset signal whenever the VCC supply voltage
declines below a preset threshold, keeping it
asserted for at least 140ms after VCC has risen
above the reset threshold. Reset thresholds
suitable for operation with a variety of supply
voltages are available. The AP1701/2/3/4 have
push pull outputs. The AP1701/3 have an active low
RESET output, while the AP1702/4 has an active
high RESET output. The reset comparator is
designed to ignore fast transients on VCC, and the
outputs are guaranteed to be in the correct logic
state for VCC down to 1V. Low supply current
makes the AP1701/2/3/4 ideal for use in portable
equipment. The AP1701/2/3/4 is available in a 3-pin
SOT23 package.
„ Pin Assignments
(Top View)
GND 1
RESET (RESET) 2
AP1701
AP1702
3 VCC
SOT-23
(Top View)
RESET (RESET) 1
GND 2
AP1703
AP1704
3 VCC
SOT-23
„ Pin Descriptions
Name
GND
RESET
(RESET)
VCC
Description
Ground
Reset output pin
L: for AP1701/3
H: for AP1702/4
Operating voltage input
This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of
this product. No rights under any patent accompany the sale of the product.
Rev.1.0 May. 7, 2004
1/8









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AP1701 Даташит, Описание, Даташиты
3-Pin Microprocessor Reset Circuits
AP1701/2/3/4
„ Ordering Information
AP170X X X X
Enable
1: Active-Low
2: Active-High
3: Active-Low
4: Active-High
Voltage
A: 4.63
B: 4.38
C: 4.00
D: 3.08
E: 2.93
F: 2.63
Package
W:SOT23
Lead Free
Blank : Normal
L : Lead Free Package
„ Absolute Maximum Ratings
Symbol
VCC
VRESET
ICC
IO
VR
PD
TOP
TST
TLEAD
Parameter
Terminal Voltage (with respect to GND)
RESET, RESET (push-pull)
Input Current, VCC
Output Current, RESET, RESET
Rate of Rise, VCC
Continuous Power Dissipation (TA = +70°C),
de-rate 4mW/°C above +70°C
Operating Temperature Range
Storage Temperature Range
Lead Temperature (soldering, 10s)
Rating
-0.3 to +6.0
-0.3 to (VCC + 0.3)
20
20
100
320
-40 to +105
-65 to +150
+300
Unit
V
V
mA
mA
V/µS
mW
°C
°C
°C
Anachip Corp.
www.anachip.com.tw
Rev.1.0 May.7, 2004
2/8









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AP1701 Даташит, Описание, Даташиты
3-Pin Microprocessor Reset Circuits
AP1701/2/3/4
„ Electrical Characteristics (TA=25ºC)
Symbol
Parameter
VCC VCC Range
ICC Supply Current
Conditions
TA = 0oC to +70oC
VCC < 5.5V
VCC < 3.6V
AP1701/2/3/4A
Min.
1.0
4.54
AP1701/2/3/4B
4.29
Reset Threshold AP1701/2/3/4C
VTH TA=25ºC
AP1701/2/3/4D
AP1701/2/3/4E
3.92
3.02
2.87
TDELAY
VOL
VOH
VOL
VOH
AP1701/2/3/4F
2.57
Reset Threshold
Tempco
VCC to Reset Delay VCC = VTH to (VTH – 100mV)
Reset Active
Timeout Period
TA = 0oC to +70oC
100
RESET Output
Voltage Low
RESET Output
Voltage-High
VCC = VTH min, ISINK = 1.2mA, AP1701/3
VCC = VTH min, ISINK = 3.2mA
VCC > 1.0V, ISINK = 50uA
VCC > VTH
AP1701/3
max,
ISOURCE
=
500uA,
0.8VCC
VCC > VTH max, ISOURCE = 800uA
VCC –1.5
RESET Output
Voltage-Low
RESET Output
Voltage-High
VCC = VTH max, ISINK = 1.2mA, AP1702/4
VCC = VTH max, ISINK = 3.2mA
1.8V < VCC < VTH min, ISOURCE = 150uA,
AP1702/4
0.8 VCC
Typ.
19
17
4.63
4.38
4.00
3.08
2.93
2.63
30
20
240
Max.
5.5
60
50
4.72
4.47
4.08
3.14
2.99
2.68
380
0.3
0.4
0.3
Unit
V
µA
µA
V
ppm/oC
µs
ms
V
V
0.3 V
0.4
V
„ Application Circuit
VCC
VCC
AP170X
RESET
(RESET)
VCC
Microprocessor
RESET
INPUT
GND
GND
Anachip Corp.
www.anachip.com.tw
Rev.1.0 May.7, 2004
3/8










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