TC1274 Microchip Technology, TC1274 Datasheet - Page 2

• Manufacturer Part Number: TC1274
• Description: (TC1272 / TC1273 / TC1274) 3-Pin Reset Monitors for 5V Systems
• Manufacturer: Microchip Technology

TC1272/TC1273/TC1274
1.0
Absolute Maximum Ratings†
Supply Voltage (V
RESET, RESET.......................... -0.3V to (V
Input Current, V
Output Current, RESET, RESET ........................20 mA
Power Dissipation (T
Operating Temperature Range............. -40°C to +85°C
Storage Temperature Range .............. -65°C to +150°C
DC CHARACTERISTICS
DS21382B-page 2
Electrical Specifications: Unless otherwise noted, T
Supply Voltage
Output Voltage @ 0-500 µA
Output Current @ 2.4 Volts
Output Current @ 0.4 Volts
Operating Current
Output Capacitance
Internal Pull-Up Resistor
AC Electrical Characteristics: T
RESET Active Time
V
TC1272, TC1273
V
V
(V
V
(V
V
TC1272, TC1273
V
Note 1: All voltages referenced to ground.
CC
CC
CC
CC
CC
CC
CCTP
CCTP
V
V
3-Pin SOT-23B (derate 4 mW/°C above +70°C)
Detect to RESET
Detect to RESET - TC1274
Slew Rate
Slew Rate
Detect to RESET
Detect to RESET - TC1274
V
................................................................230 mW
CC
CC
V
V
CC
CC
2: Measured with V
3: Measured with RESET output open for TC1272/TC1273; measured with RESET output open for TC1274.
4: t
5: A 1 k
(MAX) to V
(MIN) to V
CCTP
Trip Point (TC1272/3/4-10) V
Trip Point (TC1272/3/4-15) V
ELECTRICAL
CHARACTERISTICS
Trip Point (TC1272/3/4-5)
< 5.5V: TC1272, TC1274
circuit when using the TC1273.
Parameters
R
< V
V
= 5 µsec.
CC
CC
CC
V
V
CCTP
< V
TC1272, TC1273
CCTP
external resistor may be required in some applications for proper operation of the microprocessor reset control
CC
CC
CC
< 5.5V: TC1273
..............................................20 mA
CCTP
= 5V TC1272
= 4V TC1274
(MAX))
A
to GND) .............................+6.0V
(MIN))
: TC1273
70°C)
TC1274
CC
2.7 volts.
A
= -40°C to +85°C unless otherwise noted. Typical values are at T
V
CCTP-10
CCTP-15
C
t
t
t
t
CCTP-5
Sym
t
V
V
V
RPD1
RPD2
RPU1
RPU2
I
I
I
I
I
I
R
RST
OH
OH
OUT
CC
CC
CC
t
OL
t
OH
CC
CC
F
R
P
CC
V
CC
+ 0.3V)
4.50
4.25
4.00
Min
+10
100
300
100
100
1.2
1.8
A
—
—
—
—
—
—
—
—
– 0.5V V
3
0
= -40°C to +85°C. Typical values are at T
CC
4.62
4.37
4.12
Typ
700
200
200
200
10
30
17
17
20
20
—
—
—
—
– 0.1V
8
9
6
† Stresses above those listed under "Absolute Maximum Rat-
ings" may cause permanent damage to the device. These are
stress ratings only and functional operation of the device at
these or any other conditions above those indicated in the
operation sections of the specifications is not implied. Expo-
sure to Absolute Maximum Rating conditions for extended
periods may affect device reliability.
1200
Max
4.75
4.49
4.24
300
300
300
5.5
5.5
—
—
—
—
40
40
—
50
50
—
—
9
Units
msec
msec
msec
µsec
µsec
µsec
nsec
mA
mA
mA
µA
µA
µA
k
pF
V
V
V
V
V
V
Note 1
TC1272, TC1274 (Note 1)
Note 2
Note 2, Note 5
Note 3
Note 3
Note 3
Note 1
Note 1
Note 1
V
V
Figure 4-2, Figure 4-4
Figure 4-1, Figure 4-3
Note 4, Figure 4-1
Note 4, Figure 4-3
CC(LOW)
CC(LOW)
A
= +25°C.
2003 Microchip Technology Inc.
A
= +25°C.
= 1V, Figure 4-2
= 1V, Figure 4-4
Conditions