CY2273A
6
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
Max. Soldering Temperature (10 sec) ...................... +260
°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[6]
Parameter
Description
Min.
Max.
Unit
AVDD, VDDQ3
Analog and Digital Supply Voltage
3.135
3.465
V
VDDCPU
CPU Supply Voltage
2.375
3.135
2.9
3.465
V
VDDQ2
IOAPIC Supply Voltage
2.375
2.9
V
TA
Operating Temperature, Ambient
0
70
°C
CL
Max. Capacitive Load on
CPUCLK, USBCLK, IOAPIC
PCICLK, AGP(-2 only), SDRAM
REF0
10
30, 20
20
20
30
45
pF
f(REF)
Reference Frequency, Oscillator Nominal Value
14.318
14.318
MHz
Electrical Characteristics Over the Operating Range
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
I2C inputs only
0.7
V
VOH
High-level Output Voltage
VDDCPU = VDDQ2 = 2.375V
IOH = 16 mA CPUCLK
2.0
V
IOH = 18 mA IOAPIC
VOL
Low-level Output Voltage
VDDCPU = VDDQ2 = 2.375V
IOL = 27 mA CPUCLK
0.4
V
IOL = 29 mA IOAPIC
VOH
High-level Output Voltage
VDDQ3, AVDD, VDDCPU = 3.135V
IOH = 16 mA CPUCLK
2.4
V
IOH = 36 mA SDRAM
IOH = 32 mA PCICLK
IOH = 26 mA USBCLK
IOH = 36 mA REF0
VOL
Low-level Output Voltage
VDDQ3, AVDD, VDDCPU = 3.135V
IOL = 27 mA CPUCLK
0.4V
V
IOL = 29 mA SDRAM
IOL = 26 mA PCICLK
IOL = 21 mA USBCLK
IOL = 29 mA REF0
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
IDD
Power Supply Current[7]
VDD = 3.465V, VIN = 0 or VDD, Loaded Outputs, CPU = 66.67 MHz
300
mA
IDD
Power Supply Current[7]
VDD = 3.465V, VIN = 0 or VDD, Unloaded Outputs
120
mA
IDDS
Power-down Current
Current draw in power-down state
500
µA
Notes:
6.
Electrical parameters are guaranteed with these operating conditions.
7.
Power supply current will vary with number of outputs which are running.
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