Rainbow Electronics MAX7358 - Manual (Page 5)

MAX7356/MAX7357/MAX7358
1-to-8 I
2
C Bus Switches/Multiplexers with Bus
Lock-Up Detection, Isolation, and Notification
_______________________________________________________________________________________ 5
TIMING CHARACTERISTICS (STANDARD-MODE) (Figures 1, 2, 3) (continued)
(V DD = 2.3V to 5.5V, T A = -40°C to +85°C, unless otherwise noted.) (Notes 2, 6)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
(High to low) 1
Data Valid Time t VD;DAT
(Low to high) 0.6
µs
Data Valid Acknowledge t VD:ACK 1 µs
Low-Level Reset Time t WL(rst) 5 ns
Reset Time t rst 500 ns
Recovery to Start t REC;STA 0 ns
TIMING CHARACTERISTICS (FAST-MODE) (Figures 1, 2, 3)
(V DD = 2.3V to 5.5V, T A = -40°C to +85°C, unless otherwise noted.) (Notes 2, 6)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Propagation Delay from SDA to
SD_ or SCL to SC_
t PD (Note 7) 0.3 ns
SCL Clock Frequency f SCL 0 400 kHz
Bus Free Time Between a STOP
and START Condition
t BUF 1.3 µs
Hold Time (Repeated) START
Condition After this Period,
the Fi r st C l ock P ul se i s Gener ated
t HD;STA 0.6 µs
LOW Period of the SCL Clock t LOW 1.3 µs
HIGH Period of the SCL Clock t
HIGH
0.6 µs
Setup Time for a Repeated
START Condition
t SU;STA 0.6 µs
Setup Time for a STOP Condition t SU;STO 0.6 µs
Data Hold Time t HD;DAT (Note 8) 0 0.9 µs
Data Setup Time t SU;DAT 100 ns
Rise Time of Both SDA and SCL
Signals
t R
20 +
0.1C b
300 ns
Fall Time of Both SDA and SCL
Signals
t F
20 +
0.1C b
300 ns
Capacitive Load for Each Bus
Line
C b 400 pF
Pulse Width of Spikes that Must
be Suppressed by the Input Filter
t SP 50 ns
(High to low) 1
Data Valid Time t VD;DAT
(Low to high) 0.6
µs
Data Valid Acknowledge t VD;ACK 1 µs
Low-Level Reset Time t WL(rst) 5 ns
Reset Time t rst 500 ns
Recovery to START t REC;STA 0 ns