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MITSUBISHI
M62015L,FP M62016L,FP
LOW POWER 2 OUTPUT SYSTEM RESET IC DESCRIPTION PIN CONFIGURATION (TOP VIEW)
The M62015, M62016 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 M62015, M62016 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. These ICs also support the backup mode of Mitsubishi microcomputer the M16C.
5 4 3 2 1
VCC Cd RESET INT GND
Outline 5P5T RESET 1 Cd 2 VCC 3 NC 4 INT GND NC NC
FEATURES
* Bi-CMOS process realizes a configuration of low current dissipating circuits. Circuit current ICC=3A (Typ. , normal mode, VCC=3.0V) ICC=1A (Typ. , backup mode, VCC=2.5V) * Two-step detection of supply voltage Detection voltage in normal mode VS=2.7V (Typ.) Detection voltage in backup mode VBATT=2.0V (Typ.) * Two outputs Reset output (RESET) : Output of compulsive reset signal Interruption output (INT) : Output of interruption signal * Output forms CMOS output : M62015 Open drain : M62016 APPLICATION Prevention of malfunction of microcomputer systems in electronic, equipment such as OA equipment, industrial equipment, and homeuse electronic appliances.
8 7 6 5
Outline 8P2S-A NC : NO CONNECTION
BLOCK DIAGRAM
VCC
R1
Com
INTERRUPTION SIGNAL GENERATION BLOCK
R2
INT
R3
Com
RESET SIGNAL GENERATION BLOCK
RESET
R4
GND (GROUND PIN) (1 / 3 )
Cd (PIN TO DELAY CAPACITANCE)
MITSUBISHI
M62015L,FP / M62016L,FP
LOW POWER 2 OUTPUT SYSTEM RESET IC
ABSOLUTE MAXIMUM RATINGS (Ta=25C, unless otherwise noted.)
Symbol
VCC Isink Pd K Topr Tstg
Parameter Supply voltage Output sink voltage Power dissipation Thermal derating Operating temperature Storage temperature
Conditions
(Ta 25C)
Ratings 8 4 440 4.4 -20 to +75 -40 to +125
Unit V mA mW mW/ C C C
ELECTRICAL CHARACTERISTICS (Ta=25C, unless otherwise noted.)
Symbol
Parameter
Test Conditions Interruption level during Vcc drop Reset level at backup VS=VSH-VSH VCC=3.0V : In normal mode VCC=2.5V : In backup mode VCC=2.5V, Isink=2mA External capacitance Cd=0.33F When VCC falling When VCC falling
VS Supply voltage VBATT Battery voltage Hysteresis voltage VS ICC Vsat td tRESET tINT Circuit current Sink ability Delay time
Reset output response time
Interruption output response time
Min 2.55 1.85
Limits Typ Max 2.70 2.85 2.00 2.15 60 3.0 12 1.0 4.0 0.4 0.6 50 50 40
Unit V V mV A A V ms s s
APPLICATION EXAMPLE
POWER SUPPLY
VCC (+3V)
SMOOTHING CAPACITOR BACKUP POWER SUPPLY
VDD VCC * INT INT
INTERRUPTION INPUT POWER SUPPLY PIN
VBATT (+3V)
100F
INT
RESET
Cd
DELAY CAPACITOR
RESET
RESET
RESET INPUT CLOCK OUTPUT
M62015 / M62016
OSCILLATOR
0.33F MICROCOMPUTER SYSTEM RESET IC
MICROCOMPUTER SYSTEM
* : A pull-up resistor is required only in the case of open-drain output.
(2 /3 )
MITSUBISHI
M62015L,FP / M62016L,FP
LOW POWER 2 OUTPUT SYSTEM RESET IC
OPERATION DESCRIPTION
VSH 3V VCC VSH VSL VS VBATT VSL VSH VSL VBATT VSH VSL VBATT
GND
INT GND
UNCERTAIN AREA
RESET GND
td
td
UNCERTAIN AREA
1
2
3
4
5
6
7
8
9
10
1 . If VCC rises to VSH(2.76V), the INT output is set to high level. 2 . RESET goes high td (s) after VSH td=1.52 10 C (sec) 3 . If VCC drops to VSH (2.70V), INT goes low. RESET output continues to be held high. 4 . If VCC returns to VSH, the INT output is set to high level.
5
5 . Same as
3
6 . If VCC becomes lower than VBATT (2.00V), the RESET output is set to low thereby resetting the microcomputer and initializing system. 7 . Same as 8 . Same as 9 . Same as 10 . Same as 1 2 3 6 and 5
(3/ 3)

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