
CY2220
Document #: 38-07206 Rev. *A
Page 4 of 11
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
(per JEDEC EIA/JESD22-A114-A)................................2000V
Operating Conditions Over which Electrical Parameters are Guaranteed
Parameter
Description
Min.
Max.
Unit
VDDREF, VDDPCI, AVDD,
VDD3V66, VDDUSB, VDDCPU,
VDDMEM
3.3V Supply Voltages
3.135
3.465
V
TA
Operating Temperature, Ambient
0
70
°C
Cin
Input Pin Capacitance Nominal Value
18 pF
18 pF
pF
CXTAL
XTAL Pin Capacitance
22.5
pF
CL
Max. Capacitive Load on
MemRef, USBCLK, REF
PCICLK, 3V66
20
30
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 Pads. Threshold voltage for crystal pads = VDD/2
2.0
V
VIL
Low-level Input Voltage
Except Crystal Pads
0.8
V
VOH
High-level Output Voltage MemRef, USB, REF, 3V66
IOH = –1 mA
2.4
V
PCI
IOH = –1 mA
2.4
V
VOL
Low-level Output Voltage
MemRef, USB, REF, 3V66
IOL = 1 mA
0.4
V
PCI
IOL = 1 mA
0.55
V
IIH
Input High Current
0 < VIN < VDD
–55
µA
IIL
Input Low Current
0 < VIN < VDD
–55
µA
IOH
High-level Output Current CPU
For IOH =6*IRef Configuration
Type X1, VOH = 0.65V –12.9 –14.9 mA
USB, REF
Type 3, VOH = 2.4V
–15
–51
3V66, PCI, MemRef, MemRefB
Type 5, VOH = 2.4V
–30
–100
IOL
Low-level Output Current
USB, REF
Type 3, VOL = 0.4V
10
24
mA
3V66, PCI, MemRef, MemRefB
Type 5, VOL =0.4 V
20
49
IOZ
Output Leakage Current
Three-state
10
µA
IDD3
3.3V Power Supply Current AVDD/VDD33 = 3.465V, FCPU = 133 MHz
250
mA
IDDPD3
3.3V Shutdown Current
AVDD/VDDQ3 = 3.465V
60
mA