M6270X, M6271X,
M6272X, M6273X, M6274XML/SL
Voltage Detecting, System Resetting IC Series
REJ03D0525–0200
Rev.2.00
Nov 03, 2005
Description
The M627XXML/SL is a voltage threshold detector designed for detection of a supply voltage and generation of a
system reset pulse for almost all logic circuits such as microprocessor.
It also has extensive applications including battery checking, level detecting and waveform shaping circuits.
Features
•
Detecting voltage
M627X2, M627X3:
2.87V
M627X4, M627X5:
2.58V
M627X6, M627X7:
2.39V
M627X8, M627X9:
1.72V
80mV
M6270X:
0sec
M6271X:
200usec
M6272X:
50msec
M6273X:
100msec
M6274X:
200msec
•
Hysterisis voltage
•
Delay time
•
Few external parts
•
Low threshold operating voltage
(Supply voltage to keep low-state at low supply voltage)
•
Wide supply voltage range
1.5V to 7.0V
•
Extra small 3-pin package (3-pin FLAT)
•
Built-in long delay time
0.65V (Typ.) at R
L
=22kΩ
Application
•
•
•
•
•
•
Reset pulse generation for almost all logic circuits
Battery checking, level detecting, waveform shaping circuits
Delayed waveform generator
Switching circuit to a back-up power supply
DC/DC converter
Over voltage protection circuit
Recommended Operating Condition
•
Supply voltage range 1.5V to 7.0V
Rev.2.00 Nov 03, 2005 page 1 of 6
M6270X, M6271X, M6272X, M6273X, M6274XML/SL
Pin Arrangement
(TOP VIEW) ex. M62724
3
2
1
M62724ML
Outline SOT–89
OUTPUT
GND
SUPPLY
VOLTAGE
(1) SUPPLY
VOLTAGE
(2) GND
(3) OUTPUT
(1) (2) (3)
M62724SL
Outline TO–92L
Block Diagram
M6270XML/SL
(Built In Load: M62702,4,6,8)
SUPPLY VOLTAGE
(Open Collector: M62703,5,7,9)
SUPPLY VOLTAGE
M6271XML/SL
(Built in Load: M62712,4,6,8)
(Open Collector: M62713,5,7,9)
1
1
R1
25uA
Typ
R1
25uA
Typ
–
R2
1.25V
3
OUTPUT
"L"RESET TYPE
R2
1.25V
–
+
C
–
3
OUTPUT
"L"RESET TYPE
+
2
GND
2
GND
SUPPLY VOLTAGE
1
25uA
Typ
M6272X, M6273X, M6274XML/SL
(Built In Load: X = 2,4,6,8)
(Open Collector: X = 3,5,7,9)
R1
–
R2
1.25V
OSC
COUNTER
3
OUTPUT
"L"RESET TYPE
+
2
GND
Rev.2.00 Nov 03, 2005 page 2 of 6
M6270X, M6271X, M6272X, M6273X, M6274XML/SL
Function Diagram
SUPPLY
VOLTAGE
Vs
Vs+∆Vs
0.65V
t
H
OUTPUT
STATE
L
td
td
t
OUTPUT
UNDEFINED
td: delay time
built-in delay circuit type
Output Form
Built-in Load
M627X2
M627X4
M627X6
M627X8
Open Collector
M627X3
M627X5
M627X7
M627X9
Absolute Maximum Ratings
(Ta = 25°C, unless otherwise noted)
Item
Supply voltage
Output sink current
Output voltage
Power dissipation
Thermal derating
Operating temperature
Storage temperature
Symbol
V
CC
I
sink
V
O
Pd
K
θ
T
opr
T
stg
Ratings
7
6
V
CC
700
500
7
5
–30 to +85
–40 to +125
Unit
V
mA
V
mW
mW/°C
°C
°C
Test Conditions
Output with constant current load
3pin SIP
3pin FLAT
Ta
≥
25°C
3pin SIP
3pin FLAT
Rev.2.00 Nov 03, 2005 page 3 of 6
M6270X, M6271X, M6272X, M6273X, M6274XML/SL
Electrical Characteristics
(Ta = 25°C, unless otherwise noted)
Item
Detecting voltage
Symbol
V
S
Min
2.74
2.46
2.28
1.64
50
100
120
250
225
230
205
200
175
130
105
80
30
60
120
–40
V
CC
–0.2
Typ
2.87
2.58
2.39
1.72
80
0.01
200
220
395
370
375
350
345
320
275
250
3
200
50
100
200
0.2
0.7
0.6
–25
V
CC
–0.06
Max
3.00
2.70
2.50
1.80
110
340
400
560
535
540
515
510
485
440
415
500
70
140
280
0.4
0.8
0.7
–17
30
1
Unit
V
Test condition
M627X2, 3
M627X4, 5
M627X6, 7
M627X8, 9
Hysteresis voltage
Detecting voltage
temperature coefficient
Circuit current
∆V
S
V
S
/∆T
I
CC
mV
%/°C
µA
No OSC & counter
Built-in
OSC &
counter
X=2,3,4
V
CC
=3.3V
V
CC
=3.0V
V
CC
=2.7V
V
CC
=2.0V
µs
ms
Response Time
Ta=–30 to +85°C
M6270X
M6271X
M627X2
M627X3
M627X4
M627X5
M627X6
M627X7
M627X8
M627X9
M6270X
M6271X
M6272X
M6273X
M6274X
Delay time
tpd
Output
saturation voltage
Threshold
operating voltage
Output load current
Output high voltage
Output leak current
Vsat
V
OPL
V
V
V
CC
=2V, I
sink
=4mA,
M627X8,9: V
CC
=1.6V
Minimum
supply voltage
for operation
R
L
=2.2kΩ, Vsat≤0.4V
R
L
=100kΩ, Vsat≤0.4V
I
OC
V
OH
I
OH
µA
V
nA
µA
Built-in Load type, V
O
=1/2*V
CC
Built-in Load type
Open
collector type
Ta=–30 to +85°C
Rev.2.00 Nov 03, 2005 page 4 of 6
M6270X, M6271X, M6272X, M6273X, M6274XML/SL
Example of Application Circuit
Reset Circuit of M627XX Series
Vcc
SUPPLY
VOLTAGE
OUTPUT
M627XX
SUPPLY
VOLTAGE
R
L
RESET (RESET)
LOGIC CIRCUIT
GND
GND
Note: 1. The logic circuit preferably should not have a pull-down resistor,
but if one is present, add load resistor R
L
to overcome the pull-down resistor.
Rev.2.00 Nov 03, 2005 page 5 of 6
LED Zone
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