CY28301
Table 5. Frequency Selections through HW Strap Option and Serial Data Interface Data Bytes
Input Conditions
Output Frequency
FS1
FS0
SEL1
SEL0
CPU
66.6
SDRAM
100.0
100.0
133.3
100.0
3V66
66.6
66.6
66.6
66.6
PCI
33.3
33.3
33.3
33.3
APIC
16.6
16.6
16.6
16.6
0
0
1
1
0
1
0
1
100.0
133.3
133.3
DC Electrical Characteristics[2]
DC parameters must be sustainable under steady state (DC) conditions.
Absolute Maximum DC Power Supply
Parameter
VDDQ3
VDDQ2
TS
Description
3.3V Core Supply Voltage
Min.
–0.5
–0.5
–65
Max.
4.6
Unit
V
2.5V I/O Supply Voltage
Storage Temperature
3.6
V
150
°C
Absolute Maximum DC I/O
Parameter
Description
Min.
–0.5
–0.5
2000
Max.
4.6
Unit
V
Vi/o3
3.3V Core Supply Voltage
2.5V I/O Supply Voltage
Input ESD Protection
Vi/o3
3.6
V
ESD prot.
V
DC Operating Requirements
Parameter
Description
Condition
3.3V 5%
Min.
3.135
3.135
2.375
Max.
Unit
V
VDD3
3.3V Core Supply Voltage
3.3V I/O Supply Voltage
2.5V I/O Supply Voltage
3.465
3.465
2.625
VDDQ3
3.3V 5%
2.5V 5%
V
VDDQ2
V
VDD3 = 3.3V 5%
Vih3
3.3V Input High Voltage
3.3V Input Low Voltage
Input Leakage Current[3]
VDD3
2.0
VSS – 0.3
–5
VDD + 0.3
0.8
V
V
Vil3
Iil
0 < Vin <VDD3
+5
µA
VDDQ2 = 2.5V 5%
Voh2
2.5V Output High Voltage
2.5V Output Low Voltage
Ioh = (–1 mA)
Iol = (1 mA)
2.0
.4
V
V
Vol2
0.4
0.4
VDDQ3 = 3.3V 5%
Voh3
3.3V Output High Voltage
3.3V Output Low Voltage
Ioh = (–1 mA)
Iol = (1 mA)
V
V
Vol3
VDDQ3 = 3.3V 5%
Vpoh3
PCI Bus Output High Voltage Ioh = (–1 mA)
PCI Bus Output Low Voltage Iol = (1 mA)
2.4
V
V
Vpol3
0.55
Note:
2. Multiple Supplies: The voltage on any input or I/O pin cannot exceed the power pin during power-up. Power supply sequencing is NOT required.
3. Input leakage current does not include inputs with pull-up or pull-down resistors.
Rev 1.0,November 27, 2006
Page 10 of 13
SPECTRALINEAR [ SPECTRALINEAR INC ]
