ISL12058IRTZ Intersil, ISL12058IRTZ Datasheet - Page 5

• Manufacturer Part Number: ISL12058IRTZ
• Description: IC RTC/CALENDAR I2C-BUS 8-TDFN
• Manufacturer: Intersil
• Type: Clock/Calendar/Alarmr

Specifications of ISL12058IRTZ

• Time Format: HH:MM:SS (12/24 hr)
• Date Format: YY-MM-DD-dd
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 1.4 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-TDFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -

Serial Interface Specifications
NOTES:
10. These are I
12. Specified at +25°C.
11. Parts will work with SDA pull-up voltage above the V
SYMBOL
6. IRQ/F
7. Typical values are for T = +25°C and 3.3V supply voltage.
8. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by
9. Limits should be considered typical and are not production tested.
t
t
t
t
t
t
HD:STO
HD:STA
SU:DAT
HD:DAT
SU:STO
SU:STA
t
t
t
HIGH
LOW
Rpu
characterization and are not production tested.
validate specification.
t
BUF
t
t
Cb
DH
AA
t
t
IN
R
F
OUT
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
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
inactive.
2
C specific parameters and are not production tested, however, they are used to set conditions for testing devices to
PARAMETER
5
Over the recommended operating conditions unless otherwise specified. (Continued)
Any pulse narrower than the max
spec is suppressed
SCL falling edge crossing 30% of
V
70% of V
SDA crossing 70% of V
STOP condition, to SDA crossing
70% of V
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
crossing 70% of V
From SDA exiting the 30% to 70%
of V
crossing 30% of V
From SCL falling edge crossing
30% of V
30% to 70% of V
From SCL rising edge crossing
70% of V
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
30% to 70% of V
From 30% to 70% of V
From 70% to 30% of V
Maximum is determined by t
t
For Cb = 400pF, max is about
2kΩ to~2.5kΩ.
For Cb = 40pF, max is about 15kΩ
to ~20kΩ
F
DD
DD
.
DD
, until SDA exits the 30% to
TEST CONDITIONS
PULLUP
window, to SCL rising edge
DD
DD
DD
DD
DD
DD
, to SDA rising edge
, until SDA enters the
window
during the following
to SCL falling edge
to SDA entering the
limit but the t
ISL12058
DD
DD
DD
DD
DD
window
window
DD
DD
DD
during a
DD
DD
R
AA
DD
and
and t
20 + 0.1 x Cb
20 + 0.1 x Cb
F
in the I
(Note 8)
1300
1300
MIN
600
600
600
100
600
600
10
0
0
1
2
C parameters are not guaranteed.
TYP (Note 7)
(Note 8)
MAX
900
900
300
300
400
50
UNITS NOTES
kΩ
pF
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
June 15, 2009
9, 10, 11
9, 10
9, 10
9, 10
FN6756.0
11