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X46402
Characteristics subject to change without notice.
17 of 23
Table 4. CAPACITANCE
(T
A
= +25°C, f = 1MHz, V
CC
= 3V)
Symbol
C
OUT
(3)
Output Capacitance (SDA)
C
IN
(3)
Input Capacitance (WP, SCL, V
2MON
)
Notes:
(1) Must perform a stop command after a read command prior to measurement
(2) V
IL
min. and V
IH
max. are for reference only and are not tested.
(3) This parameter is periodically sampled and not 100% tested.
Test
Max.
8
Units
pF
Conditions
V
I/O
= 0V
V
IN
= 0V
6
pF
EQUIVALENT A.C. LOAD CIRCUIT
A.C. TEST CONDITIONS
3V
1.3K
OUTPUT
100pF
Input pulse levels
Input rise and fall times
Input and output timing level
Output load
V
CC
x 0.1 to V
CC
x 0.9
10ns
V
CC
x 0.5
100pF
AC CHARACTERISTICS
AC Specifications
(Over the recommended operating conditions)
RESET AC SPECIFICATIONS
Nonvolatile Write Cycle Timing
Notes:
(1) t
WC
is the time from a valid stop condition at the end of a write sequence to the end of the self-timed internal nonvolatile write cycle.
It is the minimum cycle time to be allowed for any nonvolatile write by the user, unless Acknowledge Polling is used.
Symbol
f
SCL
t
IN
t
AA
t
BUF
t
LOW
t
HIGH
t
SU:STA
t
HD:STA
t
SU:DAT
t
HD:DAT
t
SU:STO
t
DH
t
R
t
F
Parameter
Min.
0
10
0.05
0.5
0.6
0.4
0.25
0.25
100
0
0.25
0
10
10
Typ.
(1)
Max.
1000
Units
KHz
ns
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
ns
μ
s
μ
s
ns
ns
ns
SCL Clock Frequency
Pulse width of spikes which must be suppressed by the input filter
SCL LOW to SDA Data Out Valid
Time the bus must be free before a new transmit 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 (10% to 90% of V
CC
)
SDA and SCL Fall Time
0.55
100
100
100
Symbol
Parameter
Min.
Typ.(1)
Max.
Units
t
WC
(1)
Write Cycle Time
5
10
mS