Datasheet
SLVS184C − NOVEMBER 1998 − REVISED DECEMBER 2005
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
TPS370x-xx V
DD
= 1.1 V I
OH
= −4 µA 0.8
TPS3707-25
V
DD
= V
IT+
+ 0.2 V,
TPS370x-30
V
DD
= V
IT+
+ 0.2 V,
I
OH
= −500 µA
0.7×V
DD
V
OH
High-level output voltage
TPS370x-33
I
OH
= −500
µ
A
0.7 V
DD
V
V
OH
High-level output voltage
TPS370x-50
V
DD
= V
IT+
+ 0.2 V,
I
OH
= −800 µA
V
DD
−1.5 V
V
TPS370x-xx V
DD
= 6 V, I
OH
= −800 µA
V
DD
−1.5 V
TPS3707-25
TPS370x-30
V
DD
= V
IT+
+0.2 V, I
OL
= 1 mA 0.3 V
V
OL
Low-level output voltage
TPS370x-33
V
DD
= V
IT+
+0.2 V, I
OL
= 1 mA
0.3
V
V
OL
Low-level output voltage
TPS370x-50
V
DD
= V
IT+
+0.2 V,
I
OL
= 2.5 mA
0.4
V
TPS370x-xx V
DD
= 6 V I
OL
= 3 mA
0.4
V
Power-up reset voltage (see Note 2) V
DD
≥ 1.1 V, I
OL
= 50 µA 0.3 V
TPS3707-25 2.20 2.25 2.30
TPS370x-30
T
A
= 0°C to 85°C
2.57 2.63 2.68
V
TPS370x-33
T
A
= 0
°
C to 85
°
C
2.87 2.93 2.98
V
Negative-going input
TPS370x-50 4.45 4.55 4.63
V
IT−
Negative-going input
threshold voltage
(see Note 3)
TPS3707-25 2.20 2.25 2.32
V
IT−
threshold voltage
(see Note 3)
TPS370x-30
T
A
= −40°C to 85°C
2.57 2.63 2.70
V
TPS370x-33
T
A
= −40
°
C to 85
°
C
2.87 2.93 3.0
V
TPS370x-50 4.45 4.55 4.65
PFI TPS370x-xx V
DD
≥ 2 V, T
A
= −40°C to 85°C 1.20 1.25 1.30 V
TPS3707-25 40
V
DD
TPS370x-30 50
V
hys
Hysteresis
V
DD
TPS370x-33 50
mV
V
hys
Hysteresis
TPS370x-50 70
mV
PFI TPS370x-xx 10
I
IH(AV)
Average high-level input
current
WDI
WDI = V
DD
= 6 V,
Time average (dc = 88%)
100 150 µA
I
IL(AV)
Average low-level input
current
WDI
WDI = 0 V, V
DD
= 6 V,
Time average (dc = 12%)
−15 −20 µA
I
IH
High-level input current
WDI WDI = V
DD
= 6 V 120 170
µA
I
IH
High-level input current
MR MR = 0.7×V
DD,
V
DD
= 6 V −130 −180
µ
A
I
IL
Low-level input current
WDI WDI = 0 V, V
DD
= 6 V −120 −170
µA
I
IL
Low-level input current
MR MR = 0 V, V
DD
= 6 V −430 −600
µ
A
I
I
Input current PFI V
DD
= 6 V, 0 V ≤ V
I
≤ V
DD
−1 0 1 µA
I
DD
Supply current
TPS3707-xx
V
DD
= 2 V to 6 V, MR = V
DD
, MR,
WDI and outputs unconnected
20 50 µA
I
DD
Supply current
TPS3705-xx
V
DD
= 2 V to 6 V, MR= V
DD,
MR,
WDI and outputs unconnected
30 50 µA
C
i
Input capacitance V
I
= 0 V to V
DD
5 pF
NOTES: 2. The lowest supply voltage at which RESET becomes active. t
r,VDD
≥ 15 µs/V
3. To ensure best stability of the threshold voltage, a bypass capacitor (ceramic, 0.1 µF) should be placed near to the supply terminals.