X24320
EQUIVALENT A.C. LOAD CIRCUIT
A.C. CONDITIONS OF TEST
VCC x 0.1 to VCC x 0.9
Input Pulse Levels
5V
Input Rise and
Fall Times
10ns
1.53KΟ
Input and Output
Timing Levels
OUTPUT
VCC X 0.5
7003 FRM T08
100pF
7035 FM 13
A.C. OPERATING CHARACTERISTICS (Over the recommended operating conditions, unless otherwise specified.) Read
& Write Cycle Limits
Symbol
Parameter
SCL Clock Frequency
Min.
0
Max.
Units
KHz
ns
fSCL
400
tI
50
Noise Suppression Time
Constant at SCL, SDA Inputs
∝s
∝s
tAA
SCL LOW to SDA Data Out Valid
0.1
1.2
0.9
tBUF
Time the Bus Must Be Free Before a
New Transmission Can Start
∝s
∝s
∝s
∝s
tHD:STA
tLOW
Start Condition Hold Time
Clock LOW Period
0.6
1.2
0.6
0.6
tHIGH
Clock HIGH Period
tSU:STA
Start Condition Setup Time (for
a Repeated Start Condition)
∝s
tHD:DAT
tSU:DAT
tR
Data In Hold Time
0
Data In Setup Time
100
ns
ns
SDA and SCL Rise Time
SDA and SCL Fall Time
Stop Condition Setup Time
Data Out Hold Time
Output Fall Time
300
300
tF
ns
∝s
tSU:STO
tDH
0.6
50
300
ns
(5)
tOF
20+0.1Cb
7003 FRM T09
(4)
POWER-UP TIMING
Symbol
Parameter
Max.
Units
ms
tPUR
Power-up to Read Operation
Power-up to Write Operation
1
5
tPUW
ms
7003 FRM T10
Notes: (4)tPUR and tPUW are the delays required from the time VCC is stable until the specified operation can be initiated.
These parameters are periodically sampled and not 100% tested.
12
ICMIC [ IC MICROSYSTEMS ]
