isl12057 Intersil Corporation, isl12057 Datasheet - Page 4

• Manufacturer Part Number: isl12057
• Description: Low Cost And Low Power I 2c Rtc Real Time Clock/calendar
• Manufacturer: Intersil Corporation

Absolute Maximum Ratings
Voltage on V
Voltage on IRQ1/F
Voltage on X1 and X2 Pins (respect to GND) . . . . . . . . . -0.2V to 4V
ESD Rating ((Per MIL-STD-883 Method 3014)
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and
result in failures not covered by warranty.
NOTES:
DC Operating Characteristics – RTC
Serial Interface Specifications
SERIAL INTERFACE SPECS
IRQ1/F
Hysteresis SDA and SCL Input Buffer
3. θ
SYMBOL
V
(respect to GND) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.2V to 6V
Human Body Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .>4kV
Machine Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .>350V
PULLUP
Cpin
f
V
V
V
SCL
t
t
AA
JA
SYMBOL
OL
IN
IH
IL
V
I
I
I
V
OUT
V
is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
DD1
DD2
DD3
I
DDT
I
LO
DD
LI
OL
DD
and IRQ2
SDA and SCL Input Buffer LOW
Voltage
SDA and SCL Input Buffer HIGH
Voltage
Hysteresis
Maximum Pull-up voltage on
SDA during I
SDA Output Buffer LOW Voltage,
Sinking 3mA
SDA and SCL Pin Capacitance
SCL Frequency
Pulse width Suppression Time at
SDA and SCL Inputs
SCL Falling Edge to SDA Output
Data Valid
(respect to GND) . . . . . . . . . . . . . . . . . . -0.2V to 4V
OUT
Full Operation Power Supply
Timekeeping Power Supply
Standby Supply Current
Timekeeping Current
Supply Current With I
Speed of 400kHz
Input Leakage Current on SCL
I/O Leakage Current on SDA
Output Low Voltage
, IRQ2, SCL and SDA
PARAMETER
2
C communication
4
PARAMETER
2
Over the recommended operating conditions unless otherwise specified.
C Active at Clock
V
T
V
Any pulse narrower than the max spec
is suppressed.
SCL falling edge crossing 30% of V
until SDA exits the 30% to 70% of V
window.
A
DD
IN
Temperature = -40°C to +85°C, unless otherwise stated.
= +25°C, f = 1MHz, V
= 0V, V
> 1.8V, V
TEST CONDITIONS
OUT
PULLUP
V
V
V
V
V
V
DD
DD
DD
DD
DD
DD
= 0V
ISL12057
= 3.6V
= 3.3V
= 1.8V
= 1.6V
= 3.6V
= 1.8V, I
= 5.0V
CONDITIONS
DD
OL
= 5V,
Thermal Information
Thermal Resistance (Typical)
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Pb-free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . .see link below
= 3mA
8 Lead SOIC (Note 3) . . . . . . . . . . . . . . . . . . . . . . .
8 Lead MSOP (Note 3). . . . . . . . . . . . . . . . . . . . . . .
8 Lead µTDFN (Note 3) . . . . . . . . . . . . . . . . . . . . . .
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
DD
DD
,
0.7 x V
(Note 6)
MIN
-0.3
0
(Note 6)
DD
-100
-100
MIN
1.8
1.4
0.04 x V
(Note 5)
(Note 5)
TYP
TYP
600
500
400
350
15
DD
0.3 x V
(Note 6) UNITS NOTES
(Note 6)
V
MAX
DD
MAX
950
650
100
100
3.6
1.8
0.4
40
400
900
5.5
0.4
10
50
+ 2
DD
UNITS NOTES
nA
nA
nA
nA
µA
nA
nA
kHz
V
V
V
pF
ns
ns
V
V
V
V
V
θ
June 15, 2009
JA
169
120
160
FN6755.0
4, 10
4, 10
(°C/W)
7, 8
4
9
9