CY2280 Cypress Semiconductor, CY2280 Datasheet - Page 4
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CY2280
Manufacturer Part Number
CY2280
Description
100-MHz Pentium II Clock Synthesizer/Driver with Spread Spectrum for Mobile or Desktop PCs
Manufacturer
Cypress Semiconductor
Datasheet
1.CY2280.pdf
(12 pages)
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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 V
Operating Conditions
Electrical Characteristics
Document #: 38-07207 Rev. *A
V
V
V
V
V
V
I
I
I
I
I
I
I
Parameter
AV
V
V
V
T
C
f
t
IH
IL
OZ
DD25
DD25
DD33
DDS
(REF)
PU
IH
IL
OH
OL
OH
OL
A
DDUSB
DDCPU
DDAPIC
L
DD
Parameter
, V
, V
DDPCI
DDREF
High-level Input Voltage
Low-level Input Voltage
High-level Output Voltage
Low-level Output Voltage
High-level Output Voltage
Low-level Output Voltage
Input High Current
Input Low Current
Output Leakage Current
Power Supply Current for
2.5V Clocks
Power Supply Current for
2.5V Clocks
Power Supply Current for
3.3V Clocks
Power-down Current
,
Analog and Digital Supply Voltage
CPU Supply Voltage
APIC Supply Voltage
Operating Temperature, Ambient
Max. Capacitive Load on
Reference Frequency, Oscillator Nominal Value
Power-up time for all VDD's to reach minimum specified voltage (power
ramps must be monotonic)
Description
[6]
[6]
[6]
[4]
CPUCLK
PCICLK
APIC, REF
USB
[6]
Over the Operating Range
[6]
[6]
[6]
[6]
Except Crystal Inputs
Except Crystal Inputs
V
V
V
V
V
V
Three-state
V
V
V
Current draw in power-down state
DDCPU
DDCPU
DDPCI
DDPCI
IH
IL
DDCPU
DDCPU
DD
= 0V
= V
= 3.465V, V
, AV
, AV
DD
Description
= 2.625V, V
= V
= V
= 2.625V, V
DD
DD
DD
DDAPIC
DDAPIC
, V
, V
+ 0.5
IN
DDREF
DDREF
= 0 or V
= 2.375V
= 2.375V
IN
IN
[5]
[5]
= 0 or V
= 0 or V
, V
, V
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 V
Test Conditions
DDUSB
DDUSB
DD
, Loaded Outputs
DD
DD
= 3.135V I
= 3.135V I
, Loaded Outputs, CPU = 66.6 MHz
, Loaded Outputs, CPU = 100 MHz
I
I
I
I
I
I
I
I
OH
OH
OL
OL
OH
OH
OH
OL
OL
OL
= 12 mA CPUCLK
= 18 mA APIC
= 14.5 mA PCICLK
= 9.4 mA PCICLK
= 9 mA
= 9 mA
= 12 mA CPUCLK
= 18 mA APIC
= 16 mA USBCLK
= 16 mA REF
14.318
3.135
2.375
2.375
Min.
0.05
0
USBCLK
REF
DD
14.318
3.465
2.625
2.625
Max.
70
20
30
20
20
50
pins tied together)
Min. Max. Unit
–10 +10
–10 +10
2.0
2.0
2.4
CY2280
Page 4 of 12
0.4V
100
170
500
0.8
0.4
10
70
MHz
Unit
ms
pF
V
V
V
C
mA
mA
mA
V
V
V
V
V
V
A
A
A
A