isl12020m Intersil Corporation, isl12020m Datasheet - Page 4

• Manufacturer Part Number: isl12020m
• Description: Real Time Clock With Embedded Crystal, ?5ppm Accuracy
• Manufacturer: Intersil Corporation

Power-Down Timing
I
2
C Interface Specifications
Hysteresis
SYMBOL
SYMBOL
V
t
t
t
t
t
HD:DAT
SU:STO
SU:STA
HD:STA
SU:DAT
t
DDSR-
t
C
t
f
HIGH
V
LOW
V
SCL
t
BUF
V
t
AA
PIN
IN
OL
IH
IL
V
SDA and SCL Input Buffer LOW
Voltage
SDA and SCL Input Buffer HIGH
Voltage
SDA and SCL Input Buffer
Hysteresis
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
Time the Bus Must be Free Before
the Start of a New Transmission
Clock LOW Time
Clock HIGH Time
START Condition Setup Time
START Condition Hold Time
Input Data Setup Time
Input Data Hold Time
STOP Condition Setup Time
DD
Negative Slew rate
Test Conditions: V
PARAMETER
PARAMETER
4
Test Conditions: V
DD
= +2.7 to +5.5V, Temperature = -40°C to +85°C, unless otherwise stated.
DD
V
T
V
V
Any pulse narrower than the
max spec is suppressed.
SCL falling edge crossing
30% of V
the 30% to 70% of V
window.
SDA crossing 70% of V
during a STOP condition, to
SDA crossing 70% of V
during the following START
condition.
Measured at the 30% of V
crossing.
Measured at the 70% of V
crossing.
SCL rising edge to SDA
falling edge. Both crossing
70% of V
From SDA falling edge
crossing 30% of V
falling edge crossing 70% of
V
From SDA exiting the 30% to
70% of V
rising edge crossing 30% of
V
From SCL falling edge
crossing 30% of V
entering the 30% to 70% of
V
From SCL rising edge
crossing 70% of V
rising edge crossing 30% of
V
A
DD
DD
OUT
DD
DD.
DD
DD
=+2.7 to +5.5V, Temperature = -40°C to +85°C, unless otherwise specified.
= +25°C, f = 1MHz,
TEST CONDITIONS
.
.
= 5V, I
= 5V, V
window.
= 0V
ISL12020M
DD
DD
DD
CONDITIONS
OL
, until SDA exits
.
IN
window, to SCL
= 3mA
= 0V,
DD
DD
DD
DD
, to SDA
to SDA
to SCL
DD
DD
DD
DD
0.7 x V
(Note 12)
(Note 12)
1300
1300
MIN
-0.3
600
600
600
100
600
MIN
20
0
DD
(Note 8)
(Note 8)
TYP
0.05 x
TYP
V
0.02
DD
(Note 12)
V
0.3 x V
(Note 12) UNITS
MAX
DD
10
MAX
400
900
900
0.4
10
50
+ 0.3
DD
UNITS
V/ms
kHz
pF
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
V
V
V
V
January 15, 2009
NOTES
NOTES
10, 11
10, 11
FN6667.2
9