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TPS3705-50D Fiches technique(PDF) 7 Page - Texas Instruments

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No de pièce TPS3705-50D
Description  PROCESSOR SUPERVISORY CIRCUITS WITH POWER-FAIL
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

TPS3705-50D Fiches technique(HTML) 7 Page - Texas Instruments

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TPS3705-30, TPS3705-33, TPS3705-50
TPS3707-25, TPS3707-30, TPS3707-33, TPS3707-50
PROCESSOR SUPERVISORY CIRCUITS WITH POWER-FAIL
SLVS184B – NOVEMBER 1998 – REVISED JANUARY 1999
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
VDD = 1.1 V
IOH = – 4 µA
0.8
TPS3707-25
V
V
+0 2V
TPS370x-30
VDD = VIT+ + 0.2 V,
IOH =–500 µA
0.7
×VDD
VOH
High-level output voltage
TPS370x-33
IOH = 500 µA
V
TPS370x-50
VDD = VIT+ + 0.2 V,
IOH = –800 µA
VDD –1.5 V
TPS370x-xx
VDD = 6 V,
IOH = –800 µA
DD
TPS3707-25
TPS370x-30
VDD = VIT++0.2 V, IOL = 1 mA
0.3
V
VOL
Low-level output voltage
TPS370x-33
VOL
Low-level out ut voltage
TPS370x-50
VDD = VIT++0.2 V,
IOL = 2.5 mA
04
V
TPS370x-xx
VDD = 6 V
IOL = 3 mA
0.4
Power-up reset voltage (see Note 2)
VDD ≥ 1.1 V,
IOL = 50 µA
0.3
V
TPS3707-25
2.20
2.25
2.30
TPS370x-30
TA =0°Cto85°C
2.57
2.63
2.68
V
TPS370x-33
TA = 0°C to 85°C
2.87
2.93
2.98
V
Negative-going input
TPS370x-50
4.45
4.55
4.63
VIT–
Negative going in ut
threshold voltage
(N
)
TPS3707-25
2.20
2.25
2.32
(see Note 3)
TPS370x-30
TA =40°Cto85°C
2.57
2.63
2.70
V
TPS370x-33
TA = –40°C to 85°C
2.87
2.93
3.0
V
TPS370x-50
4.45
4.55
4.65
PFI
TPS370x-xx
VDD ≥ 2 V,
TA = –40°C to 85°C
1.20
1.25
1.30
V
TPS3707-25
40
VDD
TPS370x-30
50
Vhys
Hysteresis
VDD
TPS370x-33
50
mV
y
TPS370x-50
70
PFI
TPS370x-xx
10
IIH(AV)
Average high-level input
current
WDI
WDI = VDD = 6 V,
Time average (dc = 88%)
100
150
µA
IIL(AV)
Average low-level input
current
WDI
WDI = 0 V,
VDD = 6 V,
Time average (dc = 12%)
–15
–20
µA
IIH
High level input current
WDI
WDI = VDD = 6 V
120
170
µA
IIH
High-level input current
MR
MR = 0.7
×VDD, VDD = 6 V
–130
–180
µA
IIL
Low level input current
WDI
WDI = 0 V,
VDD = 6 V
–120
–170
µA
IIL
Low-level input current
MR
MR = 0 V,
VDD = 6 V
–430
–600
µA
II
Input current
PFI
VDD = 6 V,
0 V
≤ VI ≤ VDD
–1
0
1
µA
IDD
Supply current
TPS3707-xx
VDD = 2 V to 6 V, MR = VDD, MR,
WDI and outputs unconnected
20
50
µA
IDD
Supply current
TPS3705-xx
VDD = 2 V to 6 V, MR= VDD, MR,
WDI and outputs unconnected
30
50
µA
Ci
Input capacitance
VI = 0 V to VDD
5
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 near to the supply terminals.


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