ISL12024IRTCZ-T Intersil, ISL12024IRTCZ-T Datasheet - Page 5

• Manufacturer Part Number: ISL12024IRTCZ-T
• Description: IC RTC/CALENDER 64BIT 8-TDFN
• Manufacturer: Intersil
• Type: Clock/Calendar/EEPROMr

Specifications of ISL12024IRTCZ-T

• Memory Size: 4K (512 x 8)
• Time Format: HH:MM:SS (12/24 hr)
• Date Format: YY-MM-DD-dd
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-TDFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AC Electrical Specifications
NOTES:
10. t
12. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization
11. These are I
Timing Diagrams
Bus Timing
Write Cycle Timing
SYMBOL
3. IRQ/F
4. V
5. V
6. Bit BSW = 0 (Standard Mode), ATR = 00h, V
7. Specified at +25°C.
8. In order to ensure proper timekeeping, the V
9. Limits established by characterization and are not production tested.
Cpin
R
t
sequence of a serial interface Write operation) to the end of the self-timed internal non-volatile write cycle.
and are not production tested.
WC
Cb
t
WC
t
PU
(OUTPUT TIMING)
R
F
IL
DD
(INPUT TIMING)
= V
is the minimum cycle time to be allowed for any non-volatile Write by the user (it is the time from valid STOP condition at the end of Write
> V
OUT
SCL
SDA
DD
SDA and SCL Pin Capacitance
Non-Volatile Write Cycle 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
BAT
Inactive.
x 0.1, V
2
C specific parameters and are not directly tested, however they are used during device testing to validate device specification.
SDA
SCL
+V
SDA
BATHYS
t
SU:STA
IH
PARAMETER
= V
8TH BIT OF LAST BYTE
DD
x 0.9, f
5
t
HD:STA
SCL
(Continued)
= 400kHz
t
F
t
BAT
DD SR-
SU:DAT
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
≥1.8V
specification must be followed.
ACK
t
ISL12024IRTCZ
HIGH
TEST CONDITIONS
DD
DD
t
LOW
R
t
HD:DAT
and t
CONDITION
STOP
F
.
t
R
t
t
AA
WC
20+0.1xCb
20+0.1xCb
(Note 12)
MIN
10
1
t
DH
CONDITION
START
TYP
12
(Note 12) UNITS NOTES
t
BUF
MAX
300
300
400
10
20
t
SU:STO
t
HD:STO
ms
pF
kΩ
pF
ns
ns
August 8, 2008
FN6749.0
9, 11
9, 11
9, 11
9, 11
9, 11
10