TCM809 Microchip Technology, Inc., TCM809 Datasheet - Page 2

• Manufacturer Part Number: TCM809
• Description: The TCM809 And TCM810 Are Cost-effective System Supervisor Circuits Designed to Monitor VCC in Digital Systems And Provide a Reset Signal to The Host Processor When Necessary
• Manufacturer: Microchip Technology, Inc.

TCM809/TCM810
1.0
ABSOLUTE MAXIMUM RATINGS*
Supply Voltage (V
RESET, RESET.................................... – 0.3V to (V
Input Current, V
Output Current, RESET, RESET...................................20 mA
dV/dt (V
Operating Temperature Range.................... – 40°C to +125°C
Power Dissipation (T
Storage Temperature Range....................... – 65°C to +150°C
Maximum Junction Temperature, T
*Notice: Stresses above those listed under “Maximum ratings” may
cause permanent damage to the device. This is a stress rating only and
functional operation of the device at those or any other conditions
above those indicated in the operational listings of this specification is
not implied. Exposure to maximum rating conditions for extended peri-
ods may affect device reliability.
ELECTRICAL CHARACTERISTICS
DS21661B-page 2
V
3.0V for R, and 2.5V for Z (Note 1).
V
Supply Current (SOT-23)
Supply Current (SC-70)
Reset Threshold (Note 2)
Reset Threshold Tempco
V
V
Reset Active Time-out
Period, SOT-23
Reset Active Time-out
Period, SC-70
RESET Output Voltage Low
(TCM809)
RESET Output Voltage High
(TCM809)
Note
3-Pin SOT-23B (derate 4 mW/°C above +70°C) ......320 mW
3-Pin SC-70 (derate 2.17 mW/°C above +70°C)......174 mW
DD
DD
DD
DD
Range
= Full Range, T
to Reset Delay, SOT-23
to Reset Delay, SC-70
1:
2:
DD
Parameter
ELECTRICAL
CHARACTERISTICS
)............................................................. 100V/µsec
Production testing done at T
RESET Output for TCM809, RESET Output for TCM810.
DD
DD
A
.........................................................20 mA
= Operating Temperature Range, unless otherwise noted. Typical values are at T
A
to GND) ..........................................6.0V
= 70°C):
Sym
V
V
V
I
I
CC
CC
OH
TH
OL
J
.............................. 150°C
A
= +25°C, over temperature limits ensured by QC screen.
V
0.8 V
DD
4.56
4.50
4.31
4.25
3.93
3.89
3.04
3.00
2.89
2.85
2.59
2.55
2.28
2.25
Min
140
140
1.0
1.2
—
—
—
—
—
—
—
—
—
—
– 1.5
DD
DD
4.63
4.38
4.00
3.08
2.93
2.63
2.32
Typ
240
320
+0.3V)
—
—
24
17
12
—
—
—
—
—
—
—
30
20
65
—
—
—
—
—
9
Max
4.70
4.75
4.45
4.50
4.06
4.10
3.11
3.15
2.96
3.00
2.66
2.70
2.35
2.38
560
560
5.5
5.5
0.3
0.4
0.3
60
50
30
25
—
—
—
—
—
PIN FUNCTION TABLE
GND
RESET (TCM809) RESET push-pull output
RESET (TCM810) RESET push-pull output
V
DD
ppm/°C
Units
msec
msec
µsec
µsec
µA
µA
V
V
V
V
NAME
T
T
TCM8xxL/M:
TCM8xxR/S/T/Z: V
TCM8xxL/M/J:
TCM8xxR/S/T/Z: V
TCM8xxL:
TCM8xxM:
TCM809J:
TCM8xxT:
TCM8xxS:
TCM8xxR:
TCM8xxZ:
V
V
TCM809R/S/T/Z: V
TCM809L/M/J:
V
TCM809R/S/T/Z: V
TCM809L/M/J:
A
A
DD
DD
DD
= 0°C to +70°C
= – 40°C to +125°C
= V
= V
> 1.0V, I
A
TH
TH
= +25°C, V
to (V
to (V
Ground
remains low while V
the reset voltage threshold and
for 240 msec (140 msec min.)
after V
threshold.
remains high while V
the reset voltage threshold and
for 240 msec (140 msec min.)
after V
threshold.
Supply voltage (+2.5V, +3.0V,
+3.3V, +5.0V)
SINK
TH
TH
T
T
T
T
T
T
T
T
T
T
T
T
T
T
= 50 µA
V
V
V
V
Test Conditions
A
A
A
A
A
A
A
A
A
A
A
A
A
A
– 100 mV) (Note 2)
– 100 mV) (Note 2)
2002 Microchip Technology Inc.
DD
DD
DD
DD
DD
DD
DD
DD
DD
= +25°C
= – 40°C to +125°C
= +25°C
= – 40°C to +125°C
= +25°C
= – 40°C to +125°C
= +25°C
= – 40°C to +125°C
= +25°C
= – 40°C to +125°C
= +25°C
= – 40°C to +125°C
= +25°C
= – 40°C to +125°C
DD
DD
< 5.5V
< 3.6V
< 5.5V
< 3.6V
= V
= V
> V
> V
= 5V for L/M/J, 3.3V for T/S,
rises above reset
rises above reset
FUNCTION
TH
TH
TH
TH
min, I
min, I
max, I
max, I
SINK
SINK
SOURCE
SOURCE
DD
DD
= 1.2 mA
= 3.2 mA
is below
is below
= 500 µA
= 800 µA