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TPS3306-33QDRQ1 Datasheet(PDF) 7 Page - Texas Instruments

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No. de pieza TPS3306-33QDRQ1
Descripción Electrónicos  DUAL PROCESSOR SUPERVISORY CIRCUITS WITH POWER FAIL
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Fabricante Electrónico  TI1 [Texas Instruments]
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TPS3306-33QDRQ1 Datasheet(HTML) 7 Page - Texas Instruments

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TPS330615Q1, TPS330618Q1, TPS330620Q1, TPS330625Q1, TPS330633Q1
DUAL PROCESSOR SUPERVISORY CIRCUITS WITH POWER FAIL
SGLS241B − MARCH 2004 − REVISED APRIL 2008
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
VDD = 2.7 V to 6 V, IOL = 20 µA
0.2
VOL
Low-level output voltage
RESET,
PFO
VDD = 3.3 V,
IOL = 2 mA
0.4
V
OL
PFO
VDD = 6 V,
IOL = 3 mA
0.4
Power-up reset voltage (see Note 2)
VDD ≥ 1.1 V,
IOL = 20 µA
0.4
V
1.35
1.4
1.44
1.62
1.68
1.74
Negative-going input threshold voltage
VSENSE1,
VDD = 2.7 V to 6 V,
1.79
1.85
1.91
VIT
Negative-going input threshold voltage
(see Note 3)
VSENSE1,
VSENSE2
VDD = 2.7 V to 6 V,
TA = −40°C to 125°C
2.18
2.25
2.34
V
VIT
(see Note 3)
VSENSE2
TA = −40°C to 125°C
2.84
2.93
3.04
V
4.44
4.55
4.68
PFI
1.2
1.25
1.3
PFI
VIT = 1.25 V
10
VIT = 1.4 V
15
VIT = 1.68 V
15
Vhys
Hysteresis
VSENSEn
VIT = 1.86 V
20
mV
Vhys
Hysteresis
VSENSEn
VIT = 2.25 V
20
mV
VIT = 2.93 V
30
VIT = 4.55 V
40
IH(AV) Average high-level input current
WDI
WDI = VDD = 6 V,
Time average (dc = 88%)
100
150
µA
IL(AV)
Average low-level input current
WDI
WDI = 0 V,
VDD = 6 V,
Time average (dc = 12%)
−15
−20
µA
WDI
WDI = VDD = 6 V
120
170
IH
High-level input current
SENSE1
VSENSE1 = VDD = 6 V
5
10
µA
IH
High-level input current
SENSE2
VSENSE2 = VDD = 6 V
6
10
µA
IL
Low-level input current
WDI
WDI = 0 V,
VDD = 6 V
−120
−170
µA
II
Input current
PFI
VDD = 6 V, 0 V ≤ VI ≤ VDD
−30
30
nA
IDD
Supply current
15
40
µA
Ci
Input capacitance
VI = 0 V to VDD
10
pF
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 close to the supply terminals.
timing requirements at VDD = 2.7 V to 6 V, RL = 1 MΩ, CL = 50 pF, TA = 25°C
PARAMETER
TEST CONDITIONS
MIN
MAX
UNIT
tw
Pulse width
SENSEn
VSENSEnL = VIT − 0.2 V,
VSENSEnH = VIT + 0.2 V
6
µs
tw
Pulse width
WDI
VIH = 0.7 × VDD,VIL = 0.3 × VDD
100
ns


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