CMOS System Reset IC with Delay Time Circuit PST83XX, 84XX Series
CMOS System Reset IC with Delay Time Circuit
Monolithic IC PST83XX, 84XX Series
Outline
May 21, 2009
In various CPU systems or other logic systems, when the time of a power supply injection and a power supply are
severed for a moment, this IC detects supply voltage and applies reset to a system.
To ±1.5% of detection voltage accuracy of the conventional product, a maximum of ±0.5% of super-high precision
is realized, and it is more suitable for battery detection etc. The accuracy from elegance is conventionally raised from
+100/-50% to ±10% also about delay resistance.
Moreover, the component-side product is realizing the small space using SSON-4.
Features
1. High accuracy
2.
3.
4.
5.
6.
Super low supply current
Component-side product
Operating-temperature range
Delay resistance accuracy
Detecting voltage rank
±0.5% typ. / 2.0~6.0V
±0.8% typ. / 0.8~1.9V
0.35µA typ.
1.10×1.40mm (SSON-4)
-40~+105°C
10MΩ±10%
0.8~6.0V (0.1V step)
Packages
SSON-4
SOT-25A
SC-82AB
Applications
1.
2.
3.
4.
5.
Reset circuits for CPUs and MPUs
Reset circuits for logic circuits
Battery voltage check circuits
Back-up power supply switching circuits
Level detection circuits
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.
• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI
CMOS System Reset IC with Delay Time Circuit PST83XX, 84XX Series
Block Diagram
PST83XX
* 1 - 4 in the circuit diagram is pin number for the SSON-4 package.
V
DD
4
R
D
2 OUT
Vref
GND 1
3
C
D
: Protection Circuit
PST84XX
* 1 - 4 in the circuit diagram is pin number for the SSON-4 package.
V
DD
4
R
D
2
OUT
Vref
GND
1
3
C
D
: Protection Circuit
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.
• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI
CMOS System Reset IC with Delay Time Circuit PST83XX, 84XX Series
Pin Assignment
PST83XX, PST84XX
OUT
V
DD
GND
NC
C
D
4
3
5
4
1
2
3
1
2
3
4
5
1
2
3
4
GND
OUT
C
D
V
DD
1
2
SOT-25A
(TOP VIEW)
SSON-4
(TOP VIEW)
4
1
3
2
1
2
3
4
GND
V
DD
C
D
OUT
SC-82AB
(TOP VIEW)
Pin Description
PST83XX, PST84XX (SOT-25A)
Pin No.
1
2
3
4
5
Pin name
OUT
V
DD
GND
NC
C
D
Functions
Reset Signal Output Pin
V
DD
Pin / Voltage Detect Pin
GND Pin
No Connection
Capacitor Connect Pin with Delay
PST83XX, PST84XX (SSON-4)
Pin No.
1
2
3
4
Pin name
GND
OUT
C
D
V
DD
GND Pin
Reset Signal Output Pin
Capacitor Connect Pin with Delay
V
DD
Pin / Voltage Detect Pin
Functions
PST83XX, PST84XX (SC-82AB)
Pin No.
1
2
3
4
Pin name
GND
V
DD
C
D
OUT
GND Pin
V
DD
Pin / Voltage Detect Pin
Capacitor Connect Pin with Delay
Reset Signal Output Pin
Functions
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.
• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI
CMOS System Reset IC with Delay Time Circuit PST83XX, 84XX Series
Absolute Maximum Ratings
PST83XX
Item
Supply voltage
Output voltage
Input current (V
DD
)
Output current (RESET, RESET)
C
D
Pin Input voltage
Power dissipation
Operating temperature
Storage temperature
Symbol
V
DD
max.
OUT
I
DD
I
OUT
V
CD
P
D
T
OPR
T
STG
Ratings
- 0.3~+12.0
- 0.3~(V
DD
+0.3)
20
20
V
SS
- 0.3~+12.0
150 (SOT-25A, SC-82AB)
330 (SSON-4)(note)
- 40~+105
- 65~+150
Units
V
V
mA
mA
V
mW
°C
°C
PST84XX
Item
Supply voltage
Output voltage
Input current (V
DD
)
Output current (RESET, RESET)
C
D
pin Input voltage
Power dissipation
Operating temperature
Storage temperature
Symbol
V
DD
max.
OUT
I
DD
I
OUT
V
CD
P
D
T
OPR
T
STG
Ratings
- 0.3~+12.0
- 0.3~+12.0
20
20
V
SS
- 0.3~+12.0
150 (SOT-25A, SC-82AB)
330 (SSON-4)(note)
- 40~+105
- 65~+150
Units
V
V
mA
mA
V
mW
°C
°C
note : With PC board of glass epoxy. (The tab pin is not connected with PC board.)
PC board size of 110×40×0.8mm
Recommended Operating Conditions
Item
Operating temperature
Supply voltage
Symbol
T
OPR
V
DD
Ratings
- 40~+105
0.70~10.0
Units
°C
V
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.
• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI
CMOS System Reset IC with Delay Time Circuit PST83XX, 84XX Series
Electrical Characteristics
PST83XX
Item
Symbol
(Except where noted otherwise Ta=25°C)
Measurement conditions
Rank
8308
8309
8310
8311
8312
8313
8314
8315
8316
8317
8318
Reset threshold
V
TH
Ta=+25°C
Ta=-40~+85°C
8319
8320
8321
8322
8323
8324
8325
8326
8327
8328
8329
8330
Min.
0.7936
0.7800
0.8928
0.8775
0.9920
0.9750
1.0912
1.0725
1.1904
1.1700
1.2896
1.2675
1.3888
1.3650
1.4880
1.4625
1.5872
1.5600
1.6864
1.6575
1.7856
1.7550
1.8848
1.8525
1.9900
1.9500
2.0895
2.0475
2.1890
2.1450
2.2885
2.2425
2.3880
2.3400
2.4875
2.4375
2.5870
2.5350
2.6865
2.6325
2.7860
2.7300
2.8855
2.8275
2.9850
2.9250
Typ.
0.800
0.900
1.000
1.100
1.200
1.300
1.400
1.500
1.600
1.700
1.800
1.900
2.000
2.100
2.200
2.300
2.400
2.500
2.600
2.700
2.800
2.900
3.000
Max.
0.8064
0.8200
0.9072
0.9225
1.0080
1.0250
1.1088
1.1275
1.2096
1.2300
1.3104
1.3325
1.4112
1.4350
1.5120
1.5375
1.6128
1.6400
1.7136
1.7425
1.8144
1.8450
1.9152
1.9475
2.0100
2.0500
2.1105
2.1525
2.2110
2.2550
2.3115
2.3575
2.4120
2.4600
2.5125
2.5625
2.6130
2.6650
2.7135
2.7675
2.8140
2.8700
2.9145
2.9725
3.0150
3.0750
Units
Circuit
V
(2)
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.
• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
I feel that embedded system is a good direction. I am an electronics major. Where should I start to learn embedded system? I would like to ask for your advice. I would be very grateful!...
[size=14px]I got the X86 series NTC929 board that I had been longing for for a long time. When I opened the package, I always felt so comfortable and happy. I got it and conducted a simple evaluation....
When you start a new job, the worst thing you can do is make your manager look bad for hiring you. After all, your manager is the key to your current job satisfaction and future success within the org...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
Google's driverless technology is not only an eye-catching technology, but also a subversion of the car usage model.
Those who have watched anti-terrorism films and TV dramas must have been im...[Details]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
1. Overview
The Virtual CAN Interface (VCI) function library is an application program interface specifically provided for the use of ZLGCAN devices on PCs. The functions in the library ar...[Details]
Overview
As a remote network communication control method with advanced technology, high reliability, complete functions and reasonable cost, CAN-bus has been widely used in various automa...[Details]
1. Project Introduction
Shandong Dezhou Xingtai Paper Co., Ltd. is a newly built high-end paperboard production enterprise with domestic leading level established by Shandong Zhaodongfang Pape...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
0 Introduction
In order to improve the automation control of shortwave transmitters, so that they can automatically process from far to near, the technicians here use the ICS system to complete the ...[Details]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]
introduction
When it comes to the production of mobile phone lithium-ion batteries, the first thing that comes to mind is Japan's industrialized mechanical assembly line, NOKIO, MOTOLROLA's st...[Details]
Analog electronics
京公网安备 11010802033920号
EEWORLD
