X24C08
A.C. CONDITIONS OF TEST
Input Pulse Levels
Input Rise and
Fall Times
EQUIVALENT A.C. LOAD CIRCUIT
5.0V
1533Ο
Output
3842 PGM T05
V
CC
x 0.1 to V
CC
x 0.9
10ns
V
CC
x 0.5
I/O Timing Levels
100pF
3842 FHD F18
A.C. CHARACTERISTICS LIMITS
(Over recommended operating conditions, unless otherwise specified.)
Read
& Write Cycle Limits
Symbol
t
SCL
t
I
t
AA
t
BUF
t
HD:STA
t
LOW
t
HIGH
t
SU:STA
t
HD:DAT
t
SU:DAT
t
R
t
F
t
SU:STO
t
DH
Parameter
SCL Clock Frequency
Noise Suppression Time Constant at SCL, SDA Inputs
SCL Low to SDA Data Out Valid
Time the Bus Must Be Free Before a
New Transmission Can Start
Start Condition Hold Time
Clock Low Period
Clock High Period
Start Condition Setup Time
Data In Hold Time
Data In Setup Time
SDA and SCL Rise Time
SDA and SCL Fall Time
Stop Condition Setup Time
Data Out Hold Time
Parameter
Power-Up to Read Operation
Power-Up to Write Operation
Max.
1
5
Min.
0
0.3
4.7
4.0
4.7
4.0
4.7
0
250
Max.
100
100
3.5
Units
KHz
ns
∝s
∝s
∝s
∝s
∝s
∝s
∝s
1
300
4.7
300
Units
ms
ms
ns
∝s
ns
∝s
ns
3842 PGM T06
POWER-UP TIMING
Symbol
t
PUR(4)
t
PUW(4)
Bus Timing
3842 PGM T07
t
F
t
HIGH
t
LOW
t
R
SCL
t
SU:STA
t
HD:STA
t
HD:DAT
t
SU:DAT
t
SU:STO
SDA IN
t
t
t
AA
DH
BUF
SDA OUT
3842 FHD F04
Note:
(4)t
PUR
and t
PUW
are the delays required from the time V
CC
is stable until the specified operation can be initiated. These param-
eters are periodically sampled and not 100% tested.
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