CY2280
Document #: 38-07207 Rev. *A
Page 4 of 12
Maximum Ratings
(Above which the useful life may be impaired. For user guide-
lines, not tested.)
Supply Voltage .................................................–0.5 to + 7.0V
Input Voltage ............................................ –0.5V to VDD + 0.5
Storage Temperature (Non-Condensing) ... –65
°C to +150°C
Junction Temperature ............................................... +150
°C
Package Power Dissipation.............................................. 1W
Static Discharge Voltage........................................... > 2000V
(per MIL-STD-883, Method 3015, like VDD pins tied together)
Operating Conditions[4]
Parameter
Description
Min.
Max.
Unit
AVDD, VDDPCI,
VDDUSB, VDDREF
Analog and Digital Supply Voltage
3.135
3.465
V
VDDCPU
CPU Supply Voltage
2.375
2.625
V
VDDAPIC
APIC Supply Voltage
2.375
2.625
V
TA
Operating Temperature, Ambient
0
70
°C
CL
Max. Capacitive Load on
CPUCLK
PCICLK
APIC, REF
USB
20
30
20
20
pF
f(REF)
Reference Frequency, Oscillator Nominal Value
14.318
14.318
MHz
tPU
Power-up time for all VDD's to reach minimum specified voltage (power
ramps must be monotonic)
0.05
50
ms
Electrical Characteristics Over the Operating Range
Parameter
Description
Test Conditions
Min. Max. Unit
VIH
High-level Input Voltage
Except Crystal Inputs[5]
2.0
V
VIL
Low-level Input Voltage
Except Crystal Inputs[5]
0.8
V
VOH
High-level Output Voltage[6] VDDCPU = VDDAPIC = 2.375V
IOH = 12 mA CPUCLK
2.0
V
IOH = 18 mA APIC
VOL
Low-level Output Voltage[6] VDDCPU = VDDAPIC = 2.375V
IOL = 12 mA CPUCLK
0.4
V
IOL = 18 mA APIC
VOH
High-level Output Voltage[6] VDDPCI, AVDD, VDDREF, VDDUSB = 3.135V IOH = 14.5 mA PCICLK
2.4
V
IOH = 16 mA USBCLK
IOH = 16 mA REF
VOL
Low-level Output Voltage[6] VDDPCI, AVDD, VDDREF, VDDUSB= 3.135V IOL = 9.4 mA PCICLK
0.4V
V
IOL = 9 mA
USBCLK
IOL = 9 mA
REF
IIH
Input High Current
VIH = VDD
–10
+10
µA
IIL
Input Low Current
VIL = 0V
10
µA
IOZ
Output Leakage Current
Three-state
–10
+10
µA
IDD25
Power Supply Current for
2.5V Clocks[6]
VDDCPU = 2.625V, VIN = 0 or VDD, Loaded Outputs, CPU = 66.6 MHz
70
mA
IDD25
Power Supply Current for
2.5V Clocks[6]
VDDCPU = 2.625V, VIN = 0 or VDD, Loaded Outputs, CPU = 100 MHz
100
mA
IDD33
Power Supply Current for
3.3V Clocks[6]
VDD = 3.465V, VIN = 0 or VDD, Loaded Outputs
170
mA
IDDS
Power-down Current[6]
Current draw in power-down state
500
µA
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