MAX7301 データシートの表示（PDF） - Maxim Integrated
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MAX7301 Datasheet PDF : 17 Pages
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4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and
28-Port I/O Expander
ELECTRICAL CHARACTERISTICS (continued)
(Typical Operating Circuit, V+ = 2.5V to 5.5V, TA = TMIN to TMAX, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
Port Sink Current
IOL
VPORT = 0.6V
2
Output Short-Circuit Current
IOLSC Port configured output low, shorted to V+
2.75
Input High-Voltage SCLK, DIN,
CS
V+ ≤ 3.3V
VIH
V+ > 3.3V
1.6
2
Input Low-Voltage SCLK, DIN,
CS
VIL
Input Leakage Current SCLK,
DIN, CS
IIH, IIL
-50
Output High-Voltage DOUT
VOH
ISOURCE = 1.6mA
V+ -
0.5
Output Low-Voltage DOUT
VOL
ISINK = 1.6mA
TYP MAX UNITS
10
18
mA
11 20.00 mA
V
0.6
V
+50
nA
V
0.4
V
TIMING CHARACTERISTICS (Figure 3)
(V+ = 2.5V to 5.5V, TA = TMIN to TMAX, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP
CLK Clock Period
tCP
38.4
CLK Pulse Width High
tCH
19
CLK Pulse Width Low
tCL
19
CS Fall to SCLK Rise Setup Time
tCSS
9.5
CLK Rise to CS Rise Hold Time
tCSH
0
DIN Setup Time
tDS
9.5
DIN Hold Time
tDH
0
Output Data Propagation Delay
tDO
CLOAD = 25pF
Minimum CS Pulse High
tCSW
19
Note 1: All parameters tested at TA = +25°C. Specifications over temperature are guaranteed by design.
Note 2: Guaranteed by design.
MAX
21
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
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