English
Language : 

TCM809 Datasheet, PDF (2/4 Pages) TelCom Semiconductor, Inc – 3-PIN UP RESET MONITORS
PRELIMINARY INFORMATION
3-PIN µP RESET MONITORS
TCM809
TCM810
ABSOLUTE MAXIMUM RATINGS*
Supply Voltage (VCC to GND) ................................ +6.0V
RESET, RESET ............................ – 0.3V to (VCC + 0.3V)
Input Current, VCC.. ..................................................20mA
Output Current, RESET, RESET .............................20mA
dV/dt (VCC) .......................................................... 100V/µS
Operating Temperature Range ............... – 40°C to +85°C
Power Dissipation (TA ≤ 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: Vcc = 5V, TA = Operating Temperature Range unless otherwise noted.
Symbol Parameter
Test Conditions
Min Typ Max Unit
ICC
VTH
VOL
VOH
VOL
VOH
NOTES:
VCC Range
Supply Current
Reset Threshold
Reset Threshold Tempco
TA = 0°C to +70°C
TA = – 40°C to +85°C
TCM8xxL/M: VCC < 5.5V
TCM8xxR/S/T: VCC < 3.6V
(Note 2)
TCM8xxL: TA = +25°C
TA = – 40°C to +85°C
TCM8xxM: TA = +25°C
TA = – 40°C to +85°C
TCM8xxT: TA = +25°C
TA = – 40°C to +85°C
TCM8xxS: TA = +25°C
TA = – 40°C to +85°C
TCM8xxR: TA = +25°C
TA = – 40°C to +85°C
VCC to Reset Delay
Reset Active Timeout Period
(Note 2)
VCC = VTH to (VTH – 100mV)
RESET Output Voltage Low
(TCM809)
RESET Output Voltage High
(TCM809)
RESET Output Voltage Low
(TCM810)
TCM809R/S/T: VCC = VTH min, ISINK = 1.2mA
TCM809L/M: VCC = VTH min, ISINK = 3.2mA
VCC > 1.0V, ISINK = 50µA
TCM809R/S/T: VCC > VTH max, ISOURCE = 500µA
TCM809L/M: VCC > VTH max, ISOURCE = 800µA
TCM810R/S/T: VCC = VTH max, ISINK = 1.2mA
TCM810L/M: VCC = VTH max, ISINK = 3.2mA
RESET Output Voltage High
(TCM810)
1.8 < VCC < VTH min, ISOURCE = 150µA
1. Production testing done at TA = +25°C, over temperature limits guaranteed by design.
2. RESET output for TCM809, RESET Output for TCM810.
1.0
1.2
—
—
4.56
4.50
4.31
4.25
3.04
3.00
2.89
2.85
2.59
2.55
—
—
140
—
—
—
0.8 VCC
VCC – 1.5
—
—
0.8 VCC
—
—
24
17
4.63
—
4.38
—
3.08
—
2.93
—
2.63
—
30
20
240
—
—
—
—
—
—
—
—
5.5
V
5.5
60
µA
50
4.70
V
4.75
4.45
4.50
3.11
3.15
2.96
3.00
2.66
2.70
— ppm/°C
—
µsec
560 msec
0.3
V
0.4
0.3
—
V
—
0.3
V
0.4
—
V
PIN DESCRIPTION
Pin No.
(SOT-23B-3)
1
2
Symbol
GND
RESET (TCM809)
2
RESET (TCM810)
3
VCC
5-16
Description
Ground
RESET output remains low while VCC is below the reset voltage threshold, and
for 240msec (140msec min.) after VCC rises above reset threshold.
RESET output remains high while VCC is below the reset voltage threshold,
and for 240msec (140msec min.) after VCC rises above reset threshold.
Supply voltage (Typ. +3.0V to +5.0V)
TELCOM SEMICONDUCTOR, INC.