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M62008L Schematic ( PDF Datasheet ) - Mitsubishi

Teilenummer M62008L
Beschreibung LOW POWER 2 OUTPUT SYSTEM RESET IC SERIES
Hersteller Mitsubishi
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Gesamt 6 Seiten
M62008L Datasheet, Funktion
MITSUBISHI<Dig.Ana.INTERFACE>
M62001L,FP/M62002L,FP/M62003L,FP/M62004L,FP/
M62005L,FP/M62006L,FP/M62007L,FP/M62008L,FP
LOW POWER 2 OUTPUT SYSTEM RESET IC SERIES
DESCRIPTION
The M62001~8 are semiconductor integrated circuits whose
optimum use is for the detection of the rise and fall in the
power supply to a microcomputer system in order to reset or
release the microcomputer system.
The M62001~8 carry out voltage detection in 2 steps and
have 2 output pins.As Bi-CMOS process and low power
dissipating circuits are employed,they output optimum signals
through each output pin to a system that requires RAM
backup, As output signals,interruption(INT) and compulsive
reset(RESET) signals are available.The interruption
signal(INT) is used to alter the microcomputer from normal
mode to backup mode and vice versa. these output signals are
classified into pulse type(M62001~M62004) and hold type
(M62005~M62008).
FEATURES
• Bi-CMOS process realizes a configuration of low current
dissipating circuits.
Circuit current
Icc=5µA(Typ.,normal mode,Vcc=5.0V)
Icc=1µA(Typ.,backup mode,Vcc=2.5V)
•Two-step detection of supply voltage
Detection voltage in normal mode (2 types)
Vs=4.45V/4.25V(Typ.)
Detection voltage in backup mode
VBATT=2.15V(Typ.)
•Two outputs
Reset output (RESET):Output of compulsive reset signal
Interruption output(INT):Output of interruption signal
•Two types of output forms:CMOS and open drain
•Two types of interruption output (INT) signals
Pulse type (M62001~M62004)
Hold type
(M62005~M62008)
•Two types of outline packages
5-pin plastic SIP (single in-line package)
8-pin plastic SOP (mini flat package)
•Output based on RAM backup mode (See the timing chart.)
PIN CONFIGURATION (TOP VIEW)
5 Vcc
4 Cd
3 RESET
2 INT
1 GND
Outline 5P5T(M62001L~8L)
RESET
Cd
Vcc
NC
1
2
3
4
8 INT
7 GND
6 NC
5 NC
Outline 8P2S-A(M62001FP~8FP)
NC:NO CONNECTION
APPLICATION
Prevention of malfunction of microcomputer systems in
electronic,equipment such as OA equipment, industrial
equipment,and home-use electronic appliances.
BLOCK DIAGRAM
Vcc
5
+
-
INTERRUPTION SIGNAL
GENERATION BLOCK
2 INT
+
-
RESET SIGNAL
GENERATION BLOCK
3 RESET
1
GND(GROUND PIN)
4
Cd(PIN TO DELAY CAPACITANCE)
NOTE:This is an example showing pin Nos.of M62001L~8L.(See PIN CONFIGURATION.)
MITSUBISHI
ELECTRIC
( 1 /6)






M62008L Datasheet, Funktion
MITSUBISHI<Dig.Ana.INTERFACE>
M62001L,FP/M62002L,FP/M62003L,FP/M62004L,FP/
M62005L,FP/M62006L,FP/M62007L,FP/M62008L,FP
LOW POWER 2 OUTPUT SYSTEM RESET IC SERIES
OPERATION DESCRIPTION
VSH
VSH
VSL
Vcc
GND
VSL VSH
VSL VBATT VSH
VSL VBATT
INT
(HOLD OUTPUT TYPE)
GND
INT
(PULSE OUTPUT TYPE)
GND
PULSE WIDTH
7µsec
UNCERTAIN AREA
UNCERTAIN AREA
RESET
GND
td
12
34
56
td
78
UNCERTAIN AREA
9 10
1 If Vcc rises to VSH(4.55V/4.35V),the INT output it set to
high level.
*1.A pulse is output if INT is of pulse output type.
2 RESET goes high td(s) after VSH
*td=1.52X105XC(sec)
3 If Vcc drops to VSH(4.55V/4.25V),INT goes low.
*1.A pulse is output if INT is of pulse output type.
*2.The RESET output continues to be held high.
4 If Vcc returns to VSH,the INT output is set to high level.
5 Same as 3 .
6 If Vcc becomes lower than VBATT(2.15V),the RESET
output is set to low thereby resetting the microcomputer
and initializing system.
7 Same as 1 .
8 Same as 2 .
9 Same as 3 and 5 .
10 Same as 6 .
APPLICATION EXAMPLE
POWER SUPPLY
Vcc(+5V)
Vcc
BACKUP POWER
SUPPLY
VBATT(+3V)
SMOOTHING
CAPACITOR +
100µF
+
-
INT
VDD
POWER SUPPLY PIN
INT INT
(INTERRUPTION INTERRUPTION INPUT
RESET SIGNAL)
DELAY CAPACITOR Cd
0.33µF
+
RESET
RESET
RESET
- (COMPULSIVE RESET INPUT
RESET SIGNAL)
MICROCOMPUTER
SYSTEM RESET IC
M6200X
OSCILLATOR
CLOCK OUTPUT
MICROCOMPUTER
SYSTEM
MITSUBISHI
ELECTRIC
( 6 /6)

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