JPH05297059A - Integrated circuit - Google Patents

Abstract

PURPOSE:To operate an integrated circuit stably and safely by a method wherein the physical or chemical state at the inside or the outside of the integrated circuit is detected easily. CONSTITUTION:An integrated circuit 10 is constituted of an electric circuit 2, a sensor circuit 11 and a control circuit 14. The electric circuit 2 processes signals which are input to input terminal 3A to 3N, and outputs them from output terminals 5A to 5N. The sensor circuit 11 detects the physical or chemical state at the inside or the outside of the integrated circuit 10 and outputs it from sensor-circuit output terminals 12A to 12N. The control circuit 14 controls the electric circuit 2 in such a way that an electronic apparatus using the integrated circuit 10 can be operated stably and safely.

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION This invention relates to integrated circuits.

[0002]

2. Description of the Related Art FIG. 4 is a block diagram showing a conventional integrated circuit. In the figure, (1) is an integrated circuit, (2) is an electric circuit that electrically processes and outputs an input, (3A) ~ (3N) is an input terminal, the electric circuit (2) and the signal line ( 4A) to (4N) are connected. (5A) to (5N) are output terminals, and electric circuit (2)
And signal lines (6A) to (6N), respectively. (7A) (7
B) is a power supply terminal, which is connected to the electric circuit (2) by power supply lines (8A) and (8B), respectively.

A conventional integrated circuit is constructed as described above,
The electric circuit (2) electrically processes signals input from an external electric circuit (not shown) via the input terminals (3A) to (3N) and the signal lines (4A) to (4N). Then, the output signal is output to the external electric circuit via the signal lines (6A) to (6N) and the output terminals (5A) to (5N). Also the electric circuit
(2) is a power supply terminal (7
Power is supplied via A) (7B) and power supply lines (8A) (8B).

[0004]

In the conventional integrated circuit as described above, only the electric circuit (2) for electrically processing the input terminal and outputting the input terminal is provided. Even if an external physical or chemical abnormality occurs, it cannot be accurately detected, and there is a problem that it is not possible to take measures and countermeasures against the influence on the electric circuit (2).

The present invention has been made to solve the above-mentioned problems, and it is possible to accurately and early detect a physical or chemical abnormality that occurs inside or outside an integrated circuit, and take necessary measures and measures. It is an object of the present invention to provide such an integrated circuit.

[0006]

An integrated circuit according to a first aspect of the present invention is a sensor circuit for detecting a physical or chemical state inside or outside the integrated circuit, and an output of the sensor circuit to the outside. A sensor circuit output terminal to be taken out is provided.

The integrated circuit according to the second invention is the first circuit.
The sensor circuit of the present invention and a control circuit for controlling an electric circuit by the output of the sensor circuit are provided.

[0008]

In the first aspect of the present invention, since the internal or external physical or chemical state is detected by the sensor circuit, the detection result is output from the sensor circuit output terminal.

Further, in the second invention, the sensor circuit of the first invention is provided, and the electric circuit is controlled by the output thereof, so that the electric circuit operates in response to the output of the sensor circuit.

[0010]

【Example】

Example 1. FIG. 1 is a block diagram showing an embodiment of the first and second inventions of the present invention, and the same parts as those of the conventional device are designated by the same reference numerals.

In the figure, (11) is a sensor circuit for detecting a physical state (temperature, humidity, magnetism, etc.) or a chemical state (gas, liquid, etc.) inside or outside the integrated circuit (10), (12)
A) to (12N) are sensor circuit output terminals, and the sensor circuit (1
1) and signal lines (13A) to (13N), respectively. (1
4) is a control circuit, which includes the sensor circuit (11) and the signal line (15A)
At (15N), it is connected to the electric circuit (2) through signal lines (16A) to (16N). The sensor circuit (11) and the control circuit (14) are connected to the power supply lines (8A) and (8B), respectively.

In the integrated circuit constructed as described above, the signal processing operation of the electric circuit (2) is as described above. On the other hand, the internal or external physical or chemical state of the integrated circuit (10) is detected by the sensor circuit (11), the detection signal via the signal line (13A) ~ (13N), the sensor circuit output terminal ( 12A) to (12N). This allows the integrated circuit (1
It is possible to take out the physical or chemical state inside or outside of 0) to the outside.

On the other hand, the detection signals are signal lines (15A) to (15N).
Is transmitted to the control circuit (14). In the control circuit (14),
A control signal is created based on a physical or chemical state inside or outside the integrated circuit (10) and is transmitted to the electric circuit (2) through the signal lines (16A) to (16N). The electric circuit (2) is controlled by the transmitted control signal, and the electric circuit (2) and the integrated circuit (1)
Process the input signal so that the equipment using (0) operates stably and safely.

Example 2. FIG. 2 is a block diagram showing another embodiment of the present invention, in which an input signal from an electronic device (not shown) using the integrated circuit (10) is input to the input terminals (3A).
The signal is received at (3N), and output signals are sent from the output terminals (5A) to (5N) into the electronic device. (21) is an abnormality detection circuit of the electronic device, which is a sensor circuit output terminal (12A) of the integrated circuit (10)
~ (12N) with signal lines (22A) to (22N) respectively, and with other integrated circuits (not shown) similar to the integrated circuit (10) with signal lines (23A) to (23N) respectively. It is connected. (24) is an alarm control circuit for the electronic device connected to the abnormality detection circuit (21) by a signal line network (25), and (26) is also a signal line network
Environmental control circuit connected by (27), (28) is also a signal line network
It is a stable safety control circuit connected in (29).

That is, when a physical or chemical abnormality occurs inside or outside the integrated circuit (10), the detection signal is a signal line.
It is sent to the abnormality detection circuit (21) by (22A) to (22N).
When the abnormality detection circuit (21) detects an abnormality, the signal line (25) (27)
An alarm control signal, an environment control signal, and a stable safety control signal are sent to the alarm control circuit (24), the environment control circuit (26), and the stable safety control circuit (28) via (29), respectively.

Alarm control circuit (24) that received the alarm control signal
Issues a necessary alarm and sends a necessary alarm signal to the inside and outside of the electronic device. Further, the environment control circuit (26) that has received the environment control signal sends the environment control signal to the inside and outside of the electronic device so that the physical or chemical environment inside and outside the electronic device becomes a preferable state for the electronic device. Further, the stable safety control circuit (28) which has received the stable safety control signal sends a necessary control signal to the inside and outside of the electronic device so that the operation of the electronic device is stable and safe. In this way
Abnormality is accurately and early alarmed, the electronic device using the integrated circuit (10) is controlled to operate stably and safely, and it becomes possible to make the electronic device extremely reliable.

Embodiment 3. FIG. 3 is also a block diagram showing another embodiment of the present invention, in which (31) is a group of measuring instruments for measuring a physical or chemical state, including sensor circuit output terminals (12A) to integrated circuit (10) ... (12N) and signal lines (22A) to (22N), respectively.

That is, when the electronic device using the integrated circuit (10) is evaluated and inspected, the detection signal of the integrated circuit (10) is sent to the measuring instrument group (31) via the signal lines (22A) to (22N). Received,
The physical or chemical state inside or outside the integrated circuit (10) is measured. In this way, it becomes possible to accurately and efficiently carry out the evaluation and inspection of the electronic device.

[0019]

As described above, according to the first aspect of the present invention, the sensor circuit for detecting the physical or chemical state inside or outside the integrated circuit and the sensor circuit output for taking out the output of this control circuit to the outside Since the terminal is provided, the detection result is output from the sensor circuit output terminal, and there is an effect that the physical or chemical state inside or outside the integrated circuit can be easily detected.

Further, in the second invention, since the sensor circuit and the control circuit for controlling the electric circuit by the output of the sensor circuit are provided, the electric circuit operates in response to the output of the sensor circuit, and the electric circuit is operated. Also, there is an effect that an electronic device using the integrated circuit can be operated stably and safely.

[Brief description of drawings]

FIG. 1 is a configuration diagram showing a first embodiment and a second embodiment of the present invention.

FIG. 2 is a block diagram showing another embodiment of the present invention.

FIG. 3 is a block diagram showing another embodiment of the present invention.

FIG. 4 is a configuration diagram showing a conventional integrated circuit.

[Explanation of symbols]

 2 Electric Circuit 10 Integrated Circuit 11 Sensor Circuit 12A to 12N Sensor Circuit Output Terminal 14 Control Circuit

Claims (2)

[Claims] 1. A device having an electric circuit for processing and outputting an input signal, the temperature inside or outside the device,
An integrated circuit comprising a sensor circuit for detecting a physical state such as humidity and magnetism or a chemical state such as gas and liquid, and a sensor circuit output terminal for taking out the output of the sensor circuit to the outside of the device. circuit. 2. A device having an electric circuit for processing and outputting an input signal, the temperature inside or outside the device,
A sensor circuit that detects a physical state such as humidity and magnetism or a chemical state such as gas and liquid, and a control circuit that is connected to the sensor circuit and the electric circuit and controls the electric circuit by the output of the sensor circuit. An integrated circuit characterized by being provided.