X40010 Datasheet, PDF (17/24 Pages) Xicor Inc. – Dual Voltage Monitor with Integrated CPU Supervisor

A.C. CHARACTERISTICS
X40010, X40011, X40014, X40015
Symbol
f_SCL
t_IN
t_AA
t_BUF
t_LOW
t_HIGH
t_SU:STA
t_HD:STA
t_SU:DAT
t_HD:DAT
t_SU:STO
t_DH
t_R
t_F
Cb
Parameter
SCL Clock Frequency
Pulse width Suppression Time at inputs
SCL LOW to SDA Data Out Valid
Time the bus free before start of new transmission
Clock LOW Time
Clock HIGH Time
Start Condition Setup Time
Start Condition Hold Time
Data In Setup Time
Data In Hold Time
Stop Condition Setup Time
Data Output Hold Time
SDA and SCL Rise Time
SDA and SCL Fall Time
Capacitive load for each bus line
Note: (1) Cb = total capacitance of one bus line in pF.
400kHz
Min.
Max.
0
400
50
0.1
0.9
1.3
1.3
0.6
0.6
0.6
100
0
0.6
50
20 +.1Cb⁽¹⁾
300
20 +.1Cb⁽¹⁾
300
400
Unit
kHz
ns
µs
µs
µs
µs
µs
µs
ns
µs
µs
ns
ns
ns
pF
TIMING DIAGRAMS
Bus Timing
t_F
t_HIGH
SCL
t_SU:STA
SDA IN
t_HD:STA
t_SU:DAT
t_LOW
t_HD:DAT
SDA OUT
t_R
t_AA t_DH
t_SU:STO
t_BUF
17
FN8111.0
March 28, 2005