16
FN8119.0
March 28, 2005
CAPACITANCE (T
A
= 25°C, f = 1.0 MHz, V
CC
= 5V)
Notes: (4) This parameter is periodically sampled and not 100% tested.
EQUIVALENT A.C. LOAD CIRCUIT A.C. TEST CONDITIONS
A.C. CHARACTERISTICS (Over recommended operating conditions, unless otherwise specified)
Notes: (1) Typical values are for T
A
= 25°C and V
CC
= 5.0V
(2) Cb = total capacitance of one bus line in pF.
Symbol Parameter Max. Units Test Conditions
C
OUT
(4)
Output Capacitance (SDA, RESET, V2FAIL)8pFV
OUT
= 0V
C
IN
(4)
Input Capacitance (SCL, WP, S0, S1) 6 pF V
IN
= 0V
V2MON
1.53kΩ
V2FAIL
30pF
SDA
RESET
1533Ω
30pF
5V
Input pulse levels 0.1V
CC
to 0.9V
CC
Input rise and fall times 10ns
Input and output timing levels 0.5V
CC
Output load Standard Output Load
Symbol Parameter Min. Max. Units
f
SCL
SCL Clock Frequency 0 400 kHz
t
IN
Pulse width Suppression Time at inputs 50 ns
t
AA
SCL LOW to SDA Data Out Valid 0.1 0.9 µs
t
BUF
Time the bus free before start of new transmission 1.3 µs
t
LOW
Clock LOW Time 1.3 µs
t
HIGH
Clock HIGH Time 0.6 µs
t
SU:STA
Start Condition Setup Time 0.6 µs
t
HD:STA
Start Condition Hold Time 0.6 µs
t
SU:DAT
Data In Setup Time 100 ns
t
HD:DAT
Data In Hold Time 0 µs
t
SU:STO
Stop Condition Setup Time 0.6 µs
t
DH
Data Output Hold Time 50 ns
t
R
SDA and SCL Rise Time 20 + 0.1Cb
(2)
300 ns
t
F
SDA and SCL Fall Time 20 + 0.1Cb
(2)
300 ns
t
SU:WP
WP Setup Time 0.6 µs
t
HD:WP
WP Hold Time 0 µs
Cb Capacitive load for each bus line 400 pF
X40626
