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24 ELECTRICAL CHARACTERISTICS
24-6
Seiko Epson Corporation
S1C17554/564 TECHNICAL MANUAL
Input/Output Pin Characteristics
24.8
Common characteristics
Unless otherwise specified: HVDD = 1.65 to 5.5V, LVDD = 1.65 to 1.95V, VSS = 0V, Ta = -40 to 85°C
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
Pin capacitance
CIN
f = 1MHz, HVDD = 0V
–
8
pF
Reset low pulse width
tSR
VIH = 0.8HVDD, VIL = 0.2HVDD
100
–
s
Input leakage current
ILI
Pxx, #RESET
-100
–
100
nA
Unless otherwise specified: HVDD = LVDD = 1.65 to 1.95V, VSS = 0V, Ta = -40 to 85°C
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
High level output current
IOH
VOH = HVDD - 0.4V, HVDD = Min.
-0.4
–
mA
Low level output current
IOL
VOL = 0.4V, HVDD = Min.
0.4
–
mA
Positive trigger voltage
VT+
LVCMOS Schmitt
0.66
–
1.36
V
Negative trigger voltage
VT-
LVCMOS Schmitt
0.42
–
1.07
V
Hysteresis voltage
DV
LVCMOS Schmitt
0.17
–
V
Pull-up resistance
RPU
Type 1, VI = 0V
120
300
1200
k
W
Pull-down resistance
RPD
Type 1, VI = HVDD
120
300
1200
k
W
Unless otherwise specified: HVDD = 2.2 to 2.6V, LVDD = 1.65 to 1.95V, VSS = 0V, Ta = -40 to 85°C
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
High level output current
IOH
VOH = HVDD - 0.4V, HVDD = Min.
-0.8
–
mA
Low level output current
IOL
VOL = 0.4V, HVDD = Min.
0.8
–
mA
Positive trigger voltage
VT+
LVCMOS Schmitt
0.88
–
1.82
V
Negative trigger voltage
VT-
LVCMOS Schmitt
0.55
–
1.43
V
Hysteresis voltage
DV
LVCMOS Schmitt
0.22
–
V
Pull-up resistance
RPU
Type 1, VI = 0V
60
150
450
k
W
Pull-down resistance
RPD
Type 1, VI = HVDD
60
150
450
k
W
Unless otherwise specified: HVDD = 3.0 to 3.6V, LVDD = 1.65 to 1.95V, VSS = 0V, Ta = -40 to 85°C
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
High level output current
IOH
VOH = HVDD - 0.4V, HVDD = Min.
-1.4
–
mA
Low level output current
IOL
VOL = 0.4V, HVDD = Min.
1.4
–
mA
Positive trigger voltage
VT+
LVCMOS Schmitt
1.2
–
2.52
V
Negative trigger voltage
VT-
LVCMOS Schmitt
0.75
–
1.98
V
Hysteresis voltage
DV
LVCMOS Schmitt
0.3
–
V
Pull-up resistance
RPU
Type 1, VI = 0V
32
80
224
k
W
Pull-down resistance
RPD
Type 1, VI = HVDD
32
80
224
k
W
Unless otherwise specified: HVDD = 4.5 to 5.5V, LVDD = 1.65 to 1.95V, VSS = 0V, Ta = -40 to 85°C
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
High level output current
IOH
VOH = HVDD - 0.4V, HVDD = Min.
-2
–
mA
Low level output current
IOL
VOL = 0.4V, HVDD = Min.
2
–
mA
Positive trigger voltage
VT+
LVCMOS Schmitt
2
–
4
V
Negative trigger voltage
VT-
LVCMOS Schmitt
0.8
–
3.1
V
Hysteresis voltage
DV
LVCMOS Schmitt
0.3
–
V
Pull-up resistance
RPU
Type 1, VI = 0V
20
50
120
k
W
Pull-down resistance
RPD
Type 1, VI = HVDD
20
50
120
k
W
Schmitt input threshold voltage
HVDD
0
VT+
VT-
0
VIN (V)
V
OUT
(V)
HVDD