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