CY2277A
Document #: 38-07332 Rev. *A
Page 7 of 19
Notes:
6.
Electrical parameters are guaranteed with these operating conditions.
7.
Guaranteed by design and characterization. Not 100% tested in production.
8.
Power supply current will vary with number of outputs which are running.
Electrical Characteristics (-1, -3, -12)
Parameter
Description
Test Conditions
Min. Max. Unit
Electrical Characteristics (-1M, -7M, -12M)
Parameter
Description
Test Conditions
Min. Max. Unit
VIH
High-level Input Voltage
Except Crystal Inputs
2.0
V
VIL
Low-level Input Voltage
Except Crystal Inputs
0.8
V
VILiic
Low-level Input Voltage
SMBus inputs only
0.7
V
VOH
High-level Output Voltage[7] VDDQ2 = VDDCPU = 2.375V
IOH = 12.6 mA CPUCLK 1.75
V
IOH = 16.7mA IOAPIC
VOL
Low-level Output Voltage[7]
VDDQ2 = VDDCPU = 2.375V
IOL = 18.2 mA CPUCLK
0.4
V
IOL = 23.1 mA IOAPIC
VOH
High-level Output Voltage[7] VDDQ3, AVDD, VDDCPU = 3.135V
IOH = 32.2 mA SDRAM
2.4
V
IOH = 32.2 mA PCICLK
IOH = 32.2 mA USBCLK
IOH = 32.2 mA IOCLK
IOH = 32.2 mA REF0
IOH = 32.2 mA REF1
VOL
Low-level Output Voltage[7]
VDDQ3, AVDD, VDDCPU = 3.135V
IOL = 23.8 mA SDRAM
0.8V
V
IOL = 23.8 mA PCICLK
IOL = 23.8 mA USBCLK
IOL = 23.8 mA IOCLK
IOL = 23.8 mA REF0
IOL = 23.8 mA REF1
IIH
Input High Current
VIH = VDD
–10
+10
µA
IIL
Input Low Current
VIL = 0V, except PWR_SEL
10
µA
IIL
Input Low Current
VIL = 0V, PWR_SEL only
100
µA
IOZ
Output Leakage Current
Three-state
–10
+10
µA
IDD
Power Supply Current[7, 8]
VDD = 3.465V, VIN = 0 or VDD, Loaded Outputs, CPU = 66.67 MHz
250
mA
IDD
Power Supply Current[7, 8]
VDD = 3.465V, VIN = 0 or VDD, Unloaded Outputs
120
mA
IDDS
Power-down Current
Current draw in power-down state, PWR_SEL = VDD
150
µA
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