X40020 Datasheet, PDF (15/24 Pages) Intersil Corporation – Dual Voltage Monitor with Intergrated CPU Supervisor and System Battery Switch

X40020, 40021
D.C. OPERATING CHARACTERISTICS (Continued)
(Over the recommended operating conditions unless otherwise specified)
Symbol
V_HYS(7)
V_OL
Parameter
Schmitt Trigger Input Hysteresis
• Fixed input level
• V_CC related level
Output LOW Voltage (SDA, RESET/RE-
SET, LOWLINE, V2FAIL, WDO)
Min. Typ.⁽⁵⁾
0.2
.05 x V_CC
Max.
0.4
V_CC Supply
V_TRIP1(6) V_CC Reset Trip Point Voltage Range
2.0
4.75
4.55
4.6
4.65
2.85
2.9
2.95
t_RPDL(7) V_TRIP1 to LOWLINE
5
Second Supply Monitor
V_TRIP2(6) V2MON Reset Trip Point Voltage Range
0.9
3.5
2.85
2.9
2.95
2.55
2.6
2.65
1.55
1.6
1.65
t_RPD2(7) V_TRIP2 to V2FAIL
5
Unit
Test Conditions
V
V
V I_OL = 3.0mA (2.7-5.5V)
I_OL = 1.8mA (2.4-3.6V)
V
A, B Version
C Version
µS
V
A Version
B Version
C Version
µS
Notes: (1) The device enters the Active state after any start, and remains active until: 9 clock cycles later if the Device Select Bits in the Slave
Address Byte are incorrect; 200ns after a stop ending a read operation; or t_WC after a stop ending a write operation.
(2) The device goes into Standby: 200ns after any stop, except those that initiate a high voltage write cycle; t_WC after a stop that initiates a
high voltage cycle; or 9 clock cycles after any start that is not followed by the correct Device Select Bits in the Slave Address Byte.
(3) Negative numbers indicate charging current, positive numbers indicate discharge current.
(4) V_IL Min. and V_IH Max. are for reference only and are not tested.
(5) At 25°C, V_CC = 3V.
(6) See ordering information for standard programming levels. For custom programming levels, contact factory.
(7) Based on characterization data.
EQUIVALENT INPUT CIRCUIT FOR VxMON (x = 1, 2)
∆V
V_REF
R
VxMON
+
C
V_REF
–
Output
∆V = 100mV
t_RPDX = 5µs worst case
15
FN8112.0
March 28, 2005