CY2291
Document #: 38-07189 Rev. *C
Page 5 of 12
Electrical Characteristics, Commercial 3.3V
Parameter
Description
Conditions
Min.
Typ.
Max.
Unit
V
OH
HIGH-Level Output Voltage I
OH
= 4.0 mA
2.4
V
V
OL
LOW-Level Output Voltage
I
OL
= 4.0 mA
0.4
V
V
OH–32
32.768-kHz HIGH-Level
Output Voltage
I
OH
= 0.5 mA
V
BATT
0.5
V
V
OL–32
32.768-kHz LOW-Level
Output Voltage
I
OL
= 0.5 mA
0.4
V
V
IH
HIGH-Level Input Voltage
[9]
Except crystal pins
2.0
V
V
IL
LOW-Level Input Voltage
[9]
Except crystal pins
0.8
V
I
IH
Input HIGH Current
V
IN
= V
DD
–0.5V
<1
10
μ
A
I
IL
Input LOW Current
V
IN
= +0.5V
<1
10
μ
A
I
OZ
Output Leakage Current
Three-state outputs
250
μ
A
I
DD
V
DD
Supply Current
[10]
Commercial
V
DD
= V
DD
Max., 3.3V operation
50
65
mA
I
DDS
V
DD
Power Supply Current
in Shutdown Mode
[10]
Shutdown active,
excluding V
BATT
CY2291/CY2291F
10
50
μ
A
I
BATT
V
BATT
Power Supply Current V
BATT
= 3.0V
5
15
μ
A
Electrical Characteristics, Industrial 5.0V
Parameter
Description
Conditions
Min.
Typ.
Max.
Unit
V
OH
HIGH-Level Output Voltage I
OH
= 4.0 mA
2.4
V
V
OL
LOW-Level Output Voltage
I
OL
= 4.0 mA
0.4
V
V
OH–32
32.768-kHz HIGH-Level
Output Voltage
I
OH
= 0.5 mA
V
BATT
0.5
V
V
OL–32
32.768-kHz LOW-Level
Output Voltage
I
OL
= 0.5 mA
0.4
V
V
IH
HIGH-Level Input Voltage
[9]
Except crystal pins
2.0
V
V
IL
LOW-Level Input Voltage
[9]
Except crystal pins
0.8
V
I
IH
Input HIGH Current
V
IN
= V
DD
–0.5V
< 1
10
μ
A
I
IL
Input LOW Current
V
IN
= +0.5V
< 1
10
μ
A
I
OZ
Output Leakage Current
Three-state outputs
250
μ
A
I
DD
V
DD
Supply Current
[10]
Industrial
V
DD
= V
DD
Max., 5V operation
75
110
mA
I
DDS
V
DD
Power Supply Current
in Shutdown Mode
[10]
Shutdown active,
excluding V
BATT
CY2291I/CY2291FI
10
100
μ
A
I
BATT
V
BATT
Power Supply Current V
BATT
= 3.0V
5
15
μ
A
Electrical Characteristics, Industrial 3.3V
Parameter
Description
Conditions
Min.
Typ.
Max.
Unit
V
OH
HIGH-Level Output Voltage I
OH
= 4.0 mA
2.4
V
V
OL
LOW-Level Output Voltage
I
OL
= 4.0 mA
0.4
V
V
OH–32
32.768-kHz HIGH-Level
Output Voltage
I
OH
= 0.5 mA
V
BATT
0.5
V
V
OL–32
32.768-kHz LOW-Level
Output Voltage
I
OL
= 0.5 mA
0.4
V
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