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CY2291
5
Electrical Characteristics, Commercial 3.3V
Parameter
Description
Conditions
Min.
Typ.
Max.
Unit
VOH
HIGH-Level Output Voltage
IOH = 4.0 mA
2.4
V
VOL
LOW-Level Output Voltage
IOL = 4.0 mA
0.4
V
VOH–32
32.768-kHz HIGH-Level
Output Voltage
IOH = 0.5 mA
VBATT
0.5
V
VOL–32
32.768-kHz LOW-Level
Output Voltage
IOL = 0.5 mA
0.4
V
VIH
HIGH-Level Input Voltage[9] Except crystal pins
2.0
V
VIL
LOW-Level Input Voltage[9]
Except crystal pins
0.8
V
IIH
Input HIGH Current
VIN = VDD–0.5V
<1
10
µA
IIL
Input LOW Current
VIN = +0.5V
<1
10
µA
IOZ
Output Leakage Current
Three-state outputs
250
µA
IDD
VDD Supply Current
[10]
Commercial
VDD = VDD Max., 3.3V operation
50
65
mA
IDDS
VDD Power Supply Current
in Shutdown Mode[10]
Shutdown active,
excluding VBATT
CY2291/CY2291F
10
50
µA
IBATT
VBATT Power Supply
Current
VBATT = 3.0V
5
15
µA
Electrical Characteristics, Industrial 5.0V
Parameter
Description
Conditions
Min.
Typ.
Max.
Unit
VOH
HIGH-Level Output Voltage
IOH = 4.0 mA
2.4
V
VOL
LOW-Level Output Voltage
IOL = 4.0 mA
0.4
V
VOH–32
32.768-kHz HIGH-Level
Output Voltage
IOH = 0.5 mA
VBATT
0.5
V
VOL–32
32.768-kHz LOW-Level
Output Voltage
IOL = 0.5 mA
0.4
V
VIH
HIGH-Level Input Voltage[9]
Except crystal pins
2.0
V
VIL
LOW-Level Input Voltage[9]
Except crystal pins
0.8
V
IIH
Input HIGH Current
VIN = VDD–0.5V
< 1
10
µA
IIL
Input LOW Current
VIN = +0.5V
< 1
10
µA
IOZ
Output Leakage Current
Three-state outputs
250
µA
IDD
VDD Supply Current
[10]
Industrial
VDD = VDD Max., 5V operation
75
110
mA
IDDS
VDD Power Supply Current in
Shutdown Mode[10]
Shutdown active,
excluding VBATT
CY2291I/CY2291FI
10
100
µA
IBATT
VBATT Power Supply Current VBATT = 3.0V
5
15
µA
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