TLE8263-2E Datasheet, PDF (59/94 Pages) Infineon Technologies AG – Universal System Basis Chip

TLE8263-2E
Confidential
Supervision Functions
11.3
Electrical Characteristics
V_S = 5.5 V to 28 V; T_j = -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
V_RT1,r
4.6
V_RT2,f
3.5
V_RT2,r
3.6
V_RT3,f
3.2
4.65 4.75 V
4.75 4.85 V
3.65 3,75 V
3.75 3,85 V
3.35 3.45 V
default setting, Vcc falling
default setting, Vcc rising
SPI option;Vcc falling
SPI option; Vcc rising
SPI option;V_S ≥ 4 V; Vcc
falling
V_RT3,r
3.3
11.3.2
Reset Threshold Voltage
Headroom
Reset Threshold
Hysteresis
V_{RT1_HR}
V_{RT2_HR}
V_{RT3_HR}
V_RT,hys
250
1.25
1.55
20
3.45
–
–
–
100
3.55 V
SPI option; V_S ≥ 4 V, Vcc
rising
–
mV default setting¹⁾
–
V
SPI option;¹⁾
–
V
SPI option; V_S ≥ 4 V ¹⁾
200 mV -
11.3.3 Reset Low Output Voltage V_RO
–
0.2
11.3.4 Reset High Output
V_RO
Voltage
11.3.5 Reset Pull-up Resistor R_RO
11.3.6 Reset Reaction Time
t_RR
0.7 x –
V_CC1µC
10
20
4
10
0.4
V
V_CC1µC V
+ 0.3 V
40
kΩ
26
µs
I_RO = 1 mA for
V_CC1µC = V_RT1/2/3;
I_RO = 200 µA for
V_RT1/2/3> V_CC1µC ≥ 1 V
I_RO = -20µA
V_RO = 0 V
V_CC1µC < V_RT1/2
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
Watchdog Generator
11.3.8 Long Open Window
Internal Oscillator
t_RD2
450 500
550 µs SPI setting option
t_LW
–
256
–
ms ²⁾default setting
11.3.9 Internal Oscillator
tolerance
f_CLKSBC -10
0
10
%
–
1) Headroom between actual output voltage on V_CC1µC and Reset Threshold Voltage for falling Vcc.
2) Specified by design; not subject to production test. Tolerance defined by internal oscillator tolerance f_CLKSBC.
Data Sheet
59
Rev. 1.0, 2009-03-31