cy2277a Cypress Semiconductor Corporation., cy2277a Datasheet - Page 7

• Manufacturer Part Number: cy2277a
• Description: 6x86, K6 Clock Synthesizer/driver For Desktop Mobile Pcs With Intel 82430tx And 2 Dimms Or 3 So-dimms Semiconductor
• Manufacturer: Cypress Semiconductor Corporation.

Electrical Characteristics (-1, -3, -12)
Document #: 38-07332 Rev. *A
Notes:
Electrical Characteristics (-1M, -7M, -12M)
V
V
V
V
V
V
V
I
I
I
I
I
I
I
Parameter
Parameter
IH
IL
IL
OZ
DD
DD
DDS
6.
7.
8.
IH
IL
ILiic
OH
OL
OH
OL
Electrical parameters are guaranteed with these operating conditions.
Guaranteed by design and characterization. Not 100% tested in production.
Power supply current will vary with number of outputs which are running.
High-level Input Voltage
Low-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
Input Low Current
Output Leakage Current
Power Supply Current
Power Supply Current
Power-down Current
Description
Description
[7, 8]
[7, 8]
[7]
[7]
[7]
[7]
Except Crystal Inputs
Except Crystal Inputs
SMBus inputs only
V
V
V
V
V
V
V
Three-state
V
V
Current draw in power-down state, PWR_SEL = V
DDQ2
DDQ2
DDQ3
DDQ3
IH
IL
IL
DD
DD
= 0V, except PWR_SEL
= 0V, PWR_SEL only
= V
= 3.465V, V
= 3.465V, V
, AV
, AV
= V
= V
DD
DDCPU
DDCPU
DD
DD
, V
, V
DDCPU
DDCPU
IN
IN
= 2.375V
= 2.375V
= 0 or V
= 0 or V
= 3.135V
= 3.135V
Test Conditions
Test Conditions
DD
DD
, Loaded Outputs, CPU = 66.67 MHz
, Unloaded Outputs
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
OH
OH
OL
OL
OH
OH
OH
OH
OH
OH
OL
OL
OL
OL
OL
OL
= 18.2 mA CPUCLK
= 23.1 mA IOAPIC
= 23.8 mA SDRAM
= 23.8 mA PCICLK
= 23.8 mA USBCLK
= 23.8 mA IOCLK
= 23.8 mA REF0
= 23.8 mA REF1
= 12.6 mA CPUCLK 1.75
= 16.7mA
= 32.2 mA SDRAM
= 32.2 mA PCICLK
= 32.2 mA USBCLK
= 32.2 mA IOCLK
= 32.2 mA REF0
= 32.2 mA REF1
DD
IOAPIC
Min. Max. Unit
Min. Max. Unit
–10
–10
2.0
2.4
CY2277A
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0.8V
+10
100
+10
250
120
150
0.8
0.7
0.4
10
mA
mA
V
V
V
V
V
V
V
A
A
A
A
A