X24026
A.C. CONDITIONS OF TEST
EQUIVALENT A.C. LOAD CIRCUIT
5.0V
VCC x 0.1 to VCC x 0.9
Input Pulse Levels
1533Ω
Input Rise and Fall
Times
10 ns
OUTPUT
100pF
Input and Output Timing
Levels
V
CC x 0.5
7020 FRM 13
7020 PGM T05
A.C. CHARACTERISTICS (Over recommended operating conditions)
DATA INPUT TIMING
Symbol
fSCL
Parameter
SCL Clock Frequency
Min.
Max.
100
Units
KHz
ns
0
TI
Noise Suppression Time
100
Constant at SCL, SDA Inputs
tAA
SCL Low to SDA Data Out Valid
0.3
4.7
3.5
µs
µs
tBUF
Time the Bus Must Be Free Before a
New Transmission Can Start
tHD:STA
tLOW
Start Condition Hold Time
Clock Low Period
4.0
4.7
4.0
4.7
0
µs
µs
µs
µs
µs
ns
µs
ns
µs
ns
tHIGH
tSU:STA
tHD:DAT
tSU:DAT
tR
Clock High Period
Start Condition Setup Time
Data In Hold Time
Data In Setup Time
250
SDA and SCL Rise Time
SDA and SCL Fall Time
Stop Condition Setup Time
Data Out Hold Time
1
tF
300
tSU:STO
tDH
4.7
300
7020 FRM T06
Bus Timing
t
t
t
t
HIGH
LOW
R
F
SCL
t
t
t
t
t
SU:STO
SU:STA
HD:STA
HD:DAT
SU:DAT
SDA IN
t
t
t
BUF
AA
DH
SDA OUT
7020 FRM 14
POWER-UP TIMING
Symbol
Parameter
Max.
Units
(4)
Power-up to Read Operation
Power-up to Write Operation
1
5
ms
ms
t
PUR
(4)
t
PUW
7020 FRM T07
Notes: (4) t
and t
are the delays required from the time V is stable until the specified operation can be initiated. These parameters
CC
PUR
PUW
are periodically sampled and not 100% tested.
10
XICOR [ XICOR INC. ]
