X1226S8I Intersil, X1226S8I Datasheet - Page 18

• Manufacturer Part Number: X1226S8I
• Description: IC RTC/CALENDAR/4K EE 8-SOIC
• Manufacturer: Intersil
• Type: Clock/Calendar/EEPROMr

Specifications of X1226S8I

• 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-SOIC (3.9mm Width)
• Bus Type: Serial (2-Wire, I2C)
• Operating Supply Voltage (typ): 3.3/5V
• Package Type: SOIC
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• Operating Temperature Classification: Industrial
• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Pin Count: 8
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

AC Specifications (T
Notes: (1) This parameter is not 100% tested.
TIMING DIAGRAMS
Bus Timing
SCL
SDA IN
SDA OUT
Symbol
t
t
t
t
t
SU:STA
HD:STA
SU:DAT
HD:DAT
SU:STO
(2) Cb = total capacitance of one bus line in pF.
t
t
t
f
HIGH
LOW
t
t
SCL
BUF
Cb
t
DH
t
AA
t
IN
R
F
t
SU:STA
SCL Clock Frequency
Pulse width Suppression Time at inputs
SCL LOW to SDA Data Out Valid
Time the bus must be free before a new transmission can start
Clock LOW Time
Clock HIGH Time
Start Condition Setup Time
Start Condition Hold Time
Data In Setup Time
Data In Hold Time
Stop Condition Setup Time
Data Output Hold Time
SDA and SCL Rise Time
SDA and SCL Fall Time
Capacitive load for each bus line
A
= -40°C to +85°C, VCC = +2.7V to +5.5V, unless otherwise specified.)
t
HD:STA
18
t
F
t
SU:DAT
t
HIGH
Parameter
t
X1226
LOW
t
HD:DAT
t
R
t
AA
t
DH
20 +.1Cb
20 +.1Cb
Min.
50
100
t
1.3
1.3
0.6
0.6
0.6
0.6
0.1
50
BUF
0
(1)
(2)
(2)
t
SU:STO
Max.
400
300
300
400
0.9
May 8, 2006
Units
FN8098.3
kHz
μs
μs
μs
μs
μs
μs
μs
μs
pF
ns
ns
ns
ns
ns