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TLE8262E Datasheet(PDF) 59 Page - Infineon Technologies AG

Part # TLE8262E
Description  Universal System Basis Chip HERMES Rev. 1.0
PDF  93 Pages
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Manufacturer  INFINEON [Infineon Technologies AG]
Direct Link  http://www.infineon.com
Logo INFINEON - Infineon Technologies AG

TLE8262E Datasheet(HTML) 59 Page - Infineon Technologies AG

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Data Sheet
59
Rev. 1.0, 2009-03-31
TLE8262E
Supervision Functions
11.3
Electrical Characteristics
V
S = 5.5 V to 28 V; Tj = -40 °C to +150 °C; SBC Normal Mode; all voltages with respect to ground; positive current
defined flowing into pin; unless otherwise specified.
Pos.
Parameter
Symbol Limit Values
Unit
Test Condition
Min.
Typ.
Max.
Reset Generator; Pin RO
11.3.1
Reset Threshold Voltage,
V
RT1,f
4.5
4.65
4.75
V
default setting, Vcc falling
V
RT1,r
4.6
4.75
4.85
V
default setting, Vcc rising
V
RT2,f
3.5
3.65
3,75
V
SPI option;Vcc falling
V
RT2,r
3.6
3.75
3,85
V
SPI option; Vcc rising
V
RT3,f
3.2
3.35
3.45
V
SPI option;
V
S ≥ 4 V; Vcc
falling
V
RT3,r
3.3
3.45
3.55
V
SPI option;
V
S ≥ 4 V, Vcc
rising
Reset Threshold Voltage
Headroom
V
RT1_HR
250
–
–
mV
default setting1)
1) Headroom between actual output voltage on
V
CC1µC and Reset Threshold Voltage for falling Vcc.
V
RT2_HR
1.25
–
–
V
SPI option;1)
V
RT3_HR
1.55
–
–
V
SPI option;
V
S ≥ 4 V
1)
11.3.2
Reset Threshold
Hysteresis
V
RT,hys
20
100
200
mV
-
11.3.3
Reset Low Output Voltage
V
RO
–0.2
0.4
V
I
RO = 1 mA for
V
CC1µC = VRT1/2/3;
I
RO = 200 µA for
V
RT1/2/3> VCC1µC ≥ 1 V
11.3.4
Reset High Output
Voltage
V
RO
0.7 x
V
CC1µC
–
V
CC1µC
+ 0.3 V
V
I
RO = -20µA
11.3.5
Reset Pull-up Resistor
R
RO
10
20
40
k
Ω
V
RO = 0 V
11.3.6
Reset Reaction Time
t
RR
410
26
µs
V
CC1µC < VRT1/2
to RO = L
11.3.7
Reset Delay Time
t
RD1
4.5
5.0
5.5
ms
default SPI setting;
after Power-On-Reset
t
RD2
450
500
550
µs
SPI setting option
Watchdog Generator
11.3.8
Long Open Window
t
LW
–256
–ms
2)default setting
2) Specified by design; not subject to production test. Tolerance defined by internal oscillator tolerance
f
CLKSBC.
Internal Oscillator
11.3.9
Internal Oscillator
tolerance
f
CLKSBC
-10
0
10
%
–



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