VCT 38xxA
ADVANCE INFORMATION
6.7.3.3. Reset Input
Symbol
VBG
Parameter
Pin Name
Min.
1.125
−
Typ.
1.25
30
Max.
1.375
60
Unit
V
Test Conditions
Internal Reference Voltage
RESQ
tBG
Internal Voltage Reference
Setup Time after Power-Up
us
VREFR
RESET Comparator Reference
Voltage
−
1*VBG
0.313
2*VBG
0.135
−
−
V
V
V
V
ns
V
RVlh−
RVhl
RESET Comparator Hysteresis,
symmetrical to VREFR
0.25
−
0.375
−
VREFA
ALARM Comparator Reference
Voltage
AVlh−
AVhl
ALARM Comparator Hysteresis,
symmetrical to VREFA
0.1
−
0.15
100
−
tCDEL
RESET, ALARM Comparator
Delay Time
Overdrive=50mV
VREFPOR
Power On Reset Comparator
Reference Voltage
VSUP
−
2*VBG
S
6.7.3.4. I2C Bus Interface
Symbol
Parameter
Pin Name
Min.
Typ.
Max.
Unit
Test Conditions
V
V
V
V
Input Low Voltage
SDA, SCL
–
–
0.3*
VSUP
V
IL
S
Input High Voltage
Output Low Voltage
0.6*
VSUP
–
–
–
V
IH
OL
IH
S
–
0.4
0.6
V
V
I = 3 mA
l
I = 6 mA
l
Input Capacitance
–
–
–
–
–
–
–
–
–
5
pF
ns
t
t
f
t
t
t
t
Signal Fall Time
–
300
300
400
–
C = 400 pF
L
F
Signal Rise Time
–
ns
C = 400 pF
L
R
Clock Frequency
SCL
SDA
0
kHz
µs
µs
ns
SCL
Low Period of SCL
High Period of SCL
Data Set Up Time to SCL high
DATA Hold Time to SCL low
1.3
0.6
100
0
LOW
–
HIGH
SU Data
HD Data
–
0.9
µs
154
Micronas
MICRONAS [ MICRONAS ]
