isl12057 Intersil Corporation, isl12057 Datasheet - Page 6
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isl12057
Manufacturer Part Number
isl12057
Description
Low Cost And Low Power I 2c Rtc Real Time Clock/calendar
Manufacturer
Intersil Corporation
Datasheet
1.ISL12057.pdf
(17 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
isl12057IBZ
Manufacturer:
Intersil
Quantity:
98
Company:
Part Number:
isl12057IBZ
Manufacturer:
Intersil
Quantity:
261
Company:
Part Number:
isl12057IUZ
Manufacturer:
Intersil
Quantity:
50
SDA vs SCL Timing
Symbol Table
WAVEFORM
FIGURE 1. STANDARD OUTPUT LOAD FOR TESTING THE
(OUTPUT TIMING)
(INPUT TIMING)
EQUIVALENT AC OUTPUT LOAD CIRCUIT FOR V
IRQ1/F
DEVICE WITH V
SDA
SCL
SDA,
IRQ2
AND
SDA
OUT
INPUTS
Must be steady
May change
from LOW
to HIGH
May change
from HIGH
to LOW
Don’t Care:
Changes Allowed
N/A
t
SU:STA
5.0V
DD
6
= 5.0V
t
100pF
1533Ω
HD:STA
t
OUTPUTS
Will be steady
Will change
from LOW
to HIGH
Will change
from HIGH
to LOW
Changing:
State Not Known
Center Line is
High Impedance
F
FOR V
AND I
t
SU:DAT
OL
OL
DD
= 0.4V
= 3mA
= 5V
t
HIGH
ISL12057
t
LOW
t
HD:DAT
t
R
t
AA
t
DH
t
BUF
t
SU:STO
June 15, 2009
FN6755.0