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Table 22.4 Bus Drive Characteristics
Conditions:
V
CC
Applicable Pins:
Item
Schmitt trigger
input voltage
Input high voltage
Input low voltage
Output low voltage
Input capacitance
Three-state leakage current
(off state)
SCL, SDA output fall time
This LSI
Ports 1 to 3
Figure 22.2 LED Drive Circuit (Example)
= 3.0 V to 3.6 V, V
SS
SCL1, SCL0, SDA1, SDA0 ExSDAA, ExSCLA, ExSDAB, ExSCLB (bus
drive function selected)
Symbol
–
V
T
+
V
T
+
V
– V
T
V
IH
V
IL
V
OL
C
in
| I
|
TSI
t
Of
600 Ω
LED
= 0 V, Ta = –20 to +75°C
Min.
Typ.
× 0.3
V
—
CC
—
—
× 0.05
–
V
—
T
CC
× 0.7
V
—
CC
–0.5
—
—
—
—
—
—
—
—
—
20 + 0.1Cb —
Test
Max.
Unit
Conditions
—
V
V
to 3.6 V
× 0.7
V
V
CC
to 3.6 V
—
V
to 3.6 V
5.5
V
V
to 3.6 V
× 0.3
V
V
CC
to 3.6 V
0.5
V
I
0.4
I
10
pF
V
f = 1 MHz,
T
1.0
µA
V
V
250
ns
V
to 3.6 V
Rev. 1.00, 05/04, page 519 of 544
= 3.0 V
CC
= 3.0 V
CC
= 3.0 V
CC
= 3.0 V
CC
= 3.0 V
CC
= 8 mA
OL
= 3 mA
OL
= 0 V,
in
= 25°C
a
= 0.5 to
in
– 0.5 V
CC
= 3.0 V
CC
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