MAX690(1994) 查看數據表（PDF） - Maxim Integrated
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MAX690 Datasheet PDF : 12 Pages
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3.0V/3.3V Microprocessor Supervisory Circuits
ELECTRICAL CHARACTERISTICS (continued)
(VCC = 3.17V to 5.5V for the MAX690T/MAX704T/MAX80_T, VCC = 3.02V to 5.5V for the MAX690S/MAX704S/MAX80_S, VCC = 2.72V to
5.5V for the MAX690R/MAX704R/MAX80_R; VBATT = 3.6V; TA = TMIN to TMAX; unless otherwise noted. Typical values are at TA = +25˚C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
VOUT in Battery-Backup Mode
IOUT = 250µA, VBATT = 2.3V
IOUT = 1mA, VBATT = 2.3V
VBATT VBATT
- 0.1 - 0.034
V
VBATT
- 0.14
Battery Switch Threshold,
VCC Falling
VBATT - VCC, VSW > VCC > 1.75V (Note 5)
VSW VBATT > VCC (Note 6)
65
25
mV
2.30 2.40 2.50
V
Battery Switch Threshold,
VCC Rising (Note 7)
This value is identical to the reset threshold,
VCC rising
V
Reset Threshold (Note 8)
Reset Timeout Period
MAX690T/704T/805T
MAX802T/804T/806T
VRST
MAX690S/704S/805S
MAX802S/804S/806S
MAX690R/704R/805R
MAX802R/804R/806S
tWP VCC < 3.6V
VCC falling 3.00 3.075 3.15
VCC rising 3.00 3.085 3.17
VCC falling 3.00 3.075 3.12
VCC rising 3.00 3.085 3.14
VCC falling 2.85 2.925 3.00
VCC rising
2.85 2.935 3.02
V
VCC falling 2.88 2.925 3.00
VCC rising 2.88 2.935 3.02
VCC falling 2.55 2.625 2.70
VCC rising 2.55 2.635 2.72
VCC falling 2.59 2.625 2.70
VCC rising 2.59 2.635 2.72
140
200
280 ms
–P—F—O–, –R—E—S—E—T– Output Voltage
–P—F—O–, –R—E—S—E—T– Output Short to
GND Current (Note 4)
VOH ISOURCE = 50µA
IOS VCC = 3.3V, VOH = 0V
VCC
- 0.3
VCC
- 0.05
V
180
500 µV
–P—F—O–, –R—E—S—E—T–, RESET
Output Voltage
–P—F—O–, –R—E—S—E—T– Output Voltage
ISINK = 1.2mA;
VOL MAX690_/704_/802_/806_, VCC = VRST min;
MAX804_/805_, VCC = VRST max
VBATT = 0V, VCC = 1.0V, ISINK = 40µA,
MAX690_C, MAX704_C, MAX80_ _C
VOL
VBATT = 0V, VCC = 1.2V, ISINK = 200µA,
MAX690_E/M, MAX704_E/M, MAX80_ _E/M
0.06
0.3
V
0.13
0.3
V
0.17
0.3
RESET Output Leakage Current
(Note 9)
VBATT = 0V,
MAX804_C,
MAX805_C
-1
VCC = VRST min;
VRESET = 0V, VCC
MAX804_E/M,
MAX805_E/M
-10
1
µA
10
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