x46402 Intersil Corporation, x46402 Datasheet - Page 19

• Manufacturer Part Number: x46402
• Description: Dual Voltage Cpu Supervisor With 64k Password Protected Eeprom
• Manufacturer: Intersil Corporation

X46402
GUIDELINES FOR CALCULATING TYPICAL VALUES OF BUS PULL UP RESISTORS
POWER-UP AND POWER-DOWN TIMING
RESET Output Timing
V2FAIL Output Timing
V2MON
V2FAIL
RESET
VCC
0 Volts
0 Volts
V2
V
10
TRIP
8
6
4
2
TRIP
t
RV
R
MIN
10
Bus capacitance in pF
R
PMAX
20
30
t RB
40
t PURST
50
For V
t
RMAX
R MIN
R
V
IH
PMAX
= maximum allowable SDA rise time
IH
19
= 0.9V
t PURST
=
=
Vcc 1
=
V CCMAX 0.4
----------------------------------------
CC
------------------------------
2.3 C BUS
I OLMIN
–
t R
e
----------------------------------- -
R
–
PMAX
–
t
RMAX
=
C
1100
Preliminary Information
BUS
t DVB
t FV
t DVC
t FB
V TRIP
V2
TRIP