isl12022m Intersil Corporation, isl12022m Datasheet - Page 5

• Manufacturer Part Number: isl12022m
• Description: Real Time Clock With Embedded Crystal, ??5ppm Accuracy
• Manufacturer: Intersil Corporation

I
2
NOTES:
10. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by
C Interface Specifications
3. Temperature Conversion is inactive below V
4. IRQ/F
5. V
6. Specified at +25°C.
7. In order to ensure proper timekeeping, the V
8. Limits should be considered typical and are not production tested.
9. These are I
SYMBOL
specification.
characterization and are not production tested.
t
t
SU:STO
HD:STO
DD
R
t
Cb
DH
t
t
PU
R
F
> V
OUT
BAT
inactive.
2
C specific parameters and are not tested, however, they are used to set conditions for testing devices to validate
+V
STOP Condition Setup Time
STOP Condition Hold Time
Output Data Hold Time
SDA and SCL Rise Time
SDA and SCL Fall Time
Capacitive Loading of SDA or SCL Total on-chip and off-chip
SDA and SCL Bus Pull-up Resistor
Off-chip
BATHYS
PARAMETER
5
Test Conditions: V
unless otherwise specified. (Continued)
BAT
DD SR-
= 2.7V. Device operation is not guaranteed at V
DD
From SCL rising edge
crossing 70% of V
rising edge crossing 30% of
V
From SDA rising edge to
SCL falling edge. Both
crossing 70% of V
From SCL falling edge
crossing 30% of V
SDA enters the 30% to 70%
of V
From 30% to 70% of V
From 70% to 30% of V
Maximum is determined by
t
For Cb = 400pF, max is about
2kΩ~2.5kΩ.
For Cb = 40pF, max is about
15kΩ~20kΩ
specification must be followed.
R
DD
and t
= +2.7 to +5.5V, Temperature = -40°C to +85°C,
DD
TEST CONDITIONS
.
ISL12022M
window.
F
.
DD
DD
DD
, to SDA
.
, until
DD.
DD.
20 + 0.1 x Cb
20 + 0.1 x Cb
(Note 10)
MIN
600
600
10
0
1
BAT
(Note 6)
TYP
<1.8V.
(Note 10) UNITS
MAX
300
300
400
kΩ
ns
ns
ns
pF
ns
ns
December 18, 2008
NOTES
8, 9
8, 9
8, 9
8, 9
FN6668.4