X24164
A.C. CONDITIONS OF TEST
EQUIVALENT A.C. LOAD CIRCUIT
5V
Input Pulse Levels
VCC x 0.1 to VCC x 0.9
Input Rise and
Fall Times
1533Ω
10 ns
Input and Output
Timing Levels
OUTPUT
VCC X 0.5
100pF
3846 PGM T06
3846 FHD F04
A.C. CHARACTERISTICS (Over recommended operating range unless otherwise specified)
Read & Write Cycle Limits
Symbol
Parameter
Min.
Max.
Units
fSCL
TI
SCL Clock Frequency
0
100
100
KHz
ns
Noise Suppression Time
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
µs
µs
µs
µs
tHIGH
Clock High Period
tSU:STA
Start Condition Setup Time
(for a Repeated Start Condition)
tHD:DAT
tSU:DAT
tR
Data In Hold Time
0
µs
ns
µs
ns
µs
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
ns
3846 PGM T07
POWER-UP TIMING(4)
Symbol
Parameter
Max.
Units
tPUR
tPUW
Power-up to Read Operation
Power-up to Write Operation
1
5
ms
ms
3846 PGM T08
Notes: (4) t
PUR
and t
are the delays required from the time V
is stable until the specified operation can be initiated. These param-
CC
PUW
eters are periodically sampled and not 100% tested.
10
XICOR [ XICOR INC. ]
