TPS3820 xx, TPS3823 xx, TPS3824 xx, TPS3825 xx, TPS3828 xx
PROCESSOR SUPERVISORY CIRCUITS
SLVS165E – APRIL 1998 – REVISED DECEMBER 2002
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TPS382x-25
RESET
TPS382x-30
TPS382x-33
TPS382x-50
VOH
High-level output voltage
TPS3824-25
TPS3825-25
TPS3824-30
TPS3825-30
RESET
TPS3824-33
TPS3825-33
TPS3824-50
TPS3825-50
TPS3824-25
TPS3825-25
TPS3824-30
TPS3825-30
RESET
TPS3824-33
TPS3825-33
TPS3824-50
TPS3825-50
TPS382x-25
TPS382x-30
RESET
TPS382x-33
TPS382x-50
Power-up reset voltage (see Note 2)
TPS382x-25
TPS382x-30
TPS382x-33
VIT–
Negative-going input threshold
Negative going in ut
voltage (see Note 3)
g
TPS382x-50
TPS382x-25
TPS382x-30
TPS382x-33
TPS382x-50
TPS382x-25
TPS382x-30
Vhys
Hysteresis
H steresis at VDD inp t
input
TPS382x-33
TPS382x-50
50
30
mV
TA = –40°C – 85°C
40°C
TA = 0°C – 85°C
VDD = VIT– + 0.2 V
IOL = 1 mA
VDD = VIT– + 0.2 V
IOL = 1.2 mA
VDD = VIT– + 0.2 V
IOL = 3 mA
VDD = VIT– – 0.2 V
IOL = 1 mA
VDD = VIT– –0.2 V
0.2
IOL = 1.2 mA
VDD = VIT– – 0.2 V
IOL = 3 mA
VDD
≥
1.1 V, IOL = 20
µA
2.21
2.59
2.88
4.49
2.20
2.57
2.86
4.46
2.25
2.63
2.93
4.55
2.25
2.63
2.93
4.55
0.4
2.30
2.69
3
4.64
2.30
2.69
3
4.64
V
V
V
0.4
04
V
VDD
≥
1.8 V, IOH = –150
µA
TEST CONDITIONS
VDD = VIT– + 0.2 V
IOH = –20
µA
VDD = VIT– + 0.2 V
IOH = –30
µA
VDD = VIT– + 0.2 V
IOH = –120
µA
VDD
≥
1.8 V, IOH = –100
µA
MIN
TYP
MAX
UNIT
0.8
0 8
×
VDD
V
VDD – 1.5 V
0 8
×
VDD
0.8
V
04
0.4
V
VOL
Low-level output voltage
NOTES: 2. The lowest supply voltage at which RESET becomes active. tr, VDD
≥
15
µs/V
3. To ensure best stability of the threshold voltage, a bypass capacitor (ceramic, 0.1
µF)
should be placed near the supply terminals.
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
5
TI [ TEXAS INSTRUMENTS ]
