Datasheet

MAX7315
8-Port I/O Expander with LED Intensity
Control, Interrupt, and Hot-Insertion Protection
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(Typical Operating Circuit, V+ = 2V to 3.6V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at V+ = 3.3V, T
A
= + 25°C.)
(Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
T
A
= +25°C
0.15
0.25
T
A
= -40°C to +85°C
0.29
V+ = 2V, I
SINK
= 20mA
T
A
= T
MIN
to T
MAX
0.31
T
A
= +25°C
0.13
0.22
T
A
= -40°C to +85°C
0.25
V+ = 2.5V, I
SINK
= 20mA
T
A
= T
MIN
to T
MAX
0.27
T
A
= +25°C
0.12
0.22
T
A
= -40°C to +85°C
0.23
Output Low Voltage
P0–P7, INT/O8
V
OL
V+ = 3.3V, I
SINK
= 20mA
T
A
= T
MIN
to T
MAX
0.25
V
Output Low-Voltage SDA
V
OLSDA
I
SINK
= 6mA
0.4
V
PWM Clock Frequency f
PWM
32
kHz
TIMING CHARACTERISTICS
(Typical Operating Circuit, V+ = 2V to 3.6V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at V+ = 3.3V, T
A
= +25°C.)
(Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Serial Clock Frequency f
SCL
400
kHz
Bus Free Time Between a STOP and a START
Condition
t
BUF
1.3
µs
Hold Time, Repeated START Condition
t
HD, STA
0.6
µs
Repeated START Condition Setup Time
t
SU, STA
0.6
µs
STOP Condition Setup Time
t
SU, STO
0.6
µs
Data Hold Time
t
HD, DAT
(Note 2)
0.9
µs
Data Setup Time
t
SU, DAT
180
ns
SCL Clock Low Period t
LOW
1.3
µs
SCL Clock High Period t
HIGH
0.7
µs
Rise Time of Both SDA and SCL Signals, Receiving
t
R
(Notes 3, 4)
200 +
0.1C
b
300
ns
Fall Time of Both SDA and SCL Signals, Receiving t
F
(Notes 3, 4)
200 +
0.1C
b
300
ns
Fall Time of SDA Transmitting t
F.TX
(Notes 3, 5)
200 +
0.1C
b
250
ns
Pulse Width of Spike Suppressed t
SP
(Note 6) 50 ns
Capacitive Load for Each Bus Line C
b
(Note 3)
400
pF