
5-16
TELCOM SEMICONDUCTOR, INC.
PRELIMINARY INFORMATION
3-PIN
μ
P RESET MONITORS
TCM809
TCM810
ABSOLUTE MAXIMUM RATINGS*
Supply Voltage (V
CC
to GND) ................................ +6.0V
RESET, RESET ............................ – 0.3V to (V
CC
+ 0.3V)
Input Current, V
CC
.. ..................................................20mA
Output Current, RESET, RESET .............................20mA
dV/dt (V
CC
) .......................................................... 100V/
μ
S
Operating Temperature Range ...............– 40
°
C to +85
°
C
Power Dissipation (T
A
≤
70
°
C)
SOT-23B-3 (derate 4mW/
°
C above +70
°
C) ...230mW
Storage Temperature Range ................– 65
°
C to +150
°
C
Lead Temperature (Soldering, 10 sec) .................+260
°
C
*This is a stress rating only and functional operation of the device at these
or any other conditions above those indicated in the operational sections of
the specifications is not implied. Exposure to Absolute Maximum Rating
Conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS:
V
cc
= 5V, T
A
= Operating Temperature Range unless otherwise noted.
Symbol Parameter
Test Conditions
Min
Typ
Max
Unit
V
CC
Range
T
A
= 0
°
C to +70
°
C
T
A
= – 40
°
C to +85
°
C
TCM8xxL/M: V
CC
< 5.5V
TCM8xxR/S/T: V
CC
< 3.6V
(Note 2)
TCM8xxL: T
A
= +25
°
C
T
A
= – 40
°
C to +85
°
C
TCM8xxM: T
A
= +25
°
C
T
A
= – 40
°
C to +85
°
C
TCM8xxT: T
A
= +25
°
C
T
A
= – 40
°
C to +85
°
C
TCM8xxS: T
A
= +25
°
C
T
A
= – 40
°
C to +85
°
C
TCM8xxR: T
A
= +25
°
C
T
A
= – 40
°
C to +85
°
C
1.0
1.2
—
—
—
—
24
17
5.5
5.5
60
50
V
I
CC
Supply Current
μ
A
V
TH
Reset Threshold
4.56
4.50
4.31
4.25
3.04
3.00
2.89
2.85
2.59
2.55
—
4.63
—
4.38
—
3.08
—
2.93
—
2.63
—
30
4.70
4.75
4.45
4.50
3.11
3.15
2.96
3.00
2.66
2.70
—
V
Reset Threshold Tempco
V
CC
to Reset Delay
ppm/
°
C
(Note 2)
V
CC
= V
TH
to (V
TH
– 100mV)
—
140
—
—
—
0.8 V
CC
V
CC
– 1.5
—
—
0.8 V
CC
20
240
—
—
—
—
—
—
—
—
—
560
0.3
0.4
0.3
—
—
0.3
0.4
—
μ
sec
msec
V
Reset Active Timeout Period
RESET Output Voltage Low
(TCM809)
V
OL
TCM809R/S/T: V
CC
= V
TH
min, I
SINK
= 1.2mA
TCM809L/M: V
CC
= V
TH
min, I
SINK
= 3.2mA
V
CC
> 1.0V, I
SINK
= 50
μ
A
TCM809R/S/T: V
CC
> V
TH
max, I
SOURCE
= 500
μ
A
TCM809L/M: V
CC
> V
TH
max, I
SOURCE
= 800
μ
A
T
CM810R/S/T: V
CC
= V
TH
max, I
SINK
= 1.2mA
T
CM810L/M: V
CC
= V
TH
max, I
SINK
= 3.2mA
1.8 < V
CC
< VTH min, I
SOURCE
= 150
μ
A
V
OH
RESET Output Voltage High
(TCM809)
RESET Output Voltage Low
(TCM810)
RESET Output Voltage High
(TCM810)
1. Production testing done at T
A
= +25
°
C, over temperature limits guaranteed by design.
2. RESET output for TCM809, RESET Output for TCM810.
V
V
OL
V
V
OH
V
NOTES:
PIN DESCRIPTION
Pin No.
(SOT-23B-3)
Symbol
Description
1
2
GND
Ground
RESET output remains low while V
CC
is below the reset voltage threshold, and
for 240msec (140msec min.) after V
CC
rises above reset threshold.
RESET output remains high while V
CC
is below the reset voltage threshold,
and for 240msec (140msec min.) after V
CC
rises above reset threshold.
Supply voltage (Typ. +3.0V to +5.0V)
RESET (TCM809)
2
RESET (TCM810)
3
V
CC