MAX809(1999) View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
MAX809 Datasheet PDF : 8 Pages
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3-Pin Microprocessor Reset Circuits
ELECTRICAL CHARACTERISTICS (continued)
(VCC = full range, TA = -40°C to +105°C, unless otherwise noted. Typical values are at TA = +25°C, VCC = 5V for L/M/J versions, VCC
= 3.3V for T/S versions, VCC = 3V for R version, and VCC = 2.5V for Z version.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Reset Threshold Tempco
30
ppm/°C
VCC to Reset Delay (Note 2)
Reset Active Timeout Period
(SOT23)
Reset Active Timeout Period
(SC70)
VCC = VTH to (VTH - 100mV)
TA = -40°C to +85°C
TA = +85°C to +105°C
TA = -40°C to +85°C
TA = +85°C to +105°C
20
µs
140
240
560
ms
100
840
140
240
460
ms
100
840
RESET Output Voltage Low
VCC = VTH min, ISINK = 1.2mA,
MAX803R/S/T/Z, MAX809R/S/T/Z
(push-pull active low and open-
drain active-low, MAX803 and
VOL
VCC = VTH min, ISINK = 3.2mA,
MAX809)
MAX803L/M, MAX809J/L/M
VCC > 1.0V, ISINK = 50µA
0.3
V
0.4
0.3
RESET Output Voltage High
(push-pull active low, MAX809)
VCC > VTH max, ISOURCE = 500µA,
MAX809R/S/T/Z
VOH
VCC > VTH max, ISOURCE = 800µA,
MAX809J/L/M
0.8VCC
VCC - 1.5
V
RESET Output Voltage Low
(push-pull active high, MAX810)
VOL
VCC = VTH max, ISINK = 1.2mA,
MAX810R/S/T/Z
VCC = VTH max, ISINK = 3.2mA,
MAX810L/M
0.3
V
0.4
RESET Output Voltage High
(push-pull active high, MAX810)
VOH
1.8V < VCC < VTH min, ISOURCE = 150µA
0.8VCC
V
RESET Open-Drain Output
Leakage Current (MAX803)
VCC > VTH, RESET deasserted
Note 1: Production testing done at TA = +25°C; limits over temperature guaranteed by design only.
Note 2: RESET output for MAX803/MAX809; RESET output for MAX810.
1
µA
Typical Operating Characteristics
(VCC = full range, TA = -40°C to +105°C, unless otherwise noted. Typical values are at TA = +25°C, VCC = +5V for L/M/J versions,
VCC = +3.3V for T/S versions, VCC = +3V for R version, and VCC = +2.5V for Z version.)
SUPPLY CURRENT vs. TEMPERATURE
(SC70 PACKAGE, NO LOAD)
15
POWER-DOWN RESET DELAY vs.
TEMPERATURE (MAX8_ _R/S/T/Z)
100
VOD = VTH - VCC
MAX8_ _L/M, VCC = 5V
10
MAX8_ _R/S/T, VCC = 3.3V
MAX8_ _Z, VCC = 2.5V
5
80
VOD = 10mV
60
VOD = 20mV
40
MAX8_ _L/M/R/S/T/Z, VCC = 1V
20
VOD = 100mV
0
-40 -20 0 20 40 60
85
0
VOD = 200mV
-40 -20 0 20 40 60 85
TEMPERATURE (°C)
TEMPERATURE (°C)
_______________________________________________________________________________________ 3
40
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