參數(shù)資料
型號： CY2277APVC-1
廠商： CYPRESS SEMICONDUCTOR CORP
元件分類： XO, clock
英文描述： LJT 128C 128#22D SKT RECP
中文描述： 66.67 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48
封裝： SSOP-48
文件頁數(shù)： 7/19頁
文件大?。?/td> 206K
代理商： CY2277APVC-1
CY2277A
Document #: 38-07332 Rev. *A
Page 7 of 19
Notes:
6.
7.
8.
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.
Electrical Characteristics (-1, -3, -12)
Parameter
Description
Test Conditions
Min. Max. Unit
Electrical Characteristics (-1M, -7M, -12M)
Parameter
Description
V
IH
High-level Input Voltage
V
IL
Low-level Input Voltage
V
ILiic
Low-level Input Voltage
V
OH
Test Conditions
Min. Max. Unit
2.0
0.8
0.7
1.75
Except Crystal Inputs
Except Crystal Inputs
SMBus inputs only
V
DDQ2
= V
DDCPU
= 2.375V
V
V
V
V
High-level Output Voltage
[7]
I
OH
= 12.6 mA CPUCLK
I
OH
= 16.7mA
I
OL
= 18.2 mA
I
OL
= 23.1 mA
I
OH
= 32.2 mA SDRAM
I
OH
= 32.2 mA PCICLK
I
OH
= 32.2 mA USBCLK
I
OH
= 32.2 mA IOCLK
I
OH
= 32.2 mA REF0
I
OH
= 32.2 mA REF1
I
OL
= 23.8 mA
I
OL
= 23.8 mA
I
OL
= 23.8 mA
I
OL
= 23.8 mA
I
OL
= 23.8 mA
I
OL
= 23.8 mA
IOAPIC
CPUCLK
IOAPIC
V
OL
Low-level Output Voltage
[7]
V
DDQ2
= V
DDCPU
= 2.375V
0.4
V
V
OH
High-level Output Voltage
[7]
V
DDQ3
, AV
DD
, V
DDCPU
= 3.135V
2.4
V
V
OL
Low-level Output Voltage
[7]
V
DDQ3
, AV
DD
, V
DDCPU
= 3.135V
SDRAM
PCICLK
USBCLK
IOCLK
REF0
REF1
0.8V
V
I
IH
I
IL
I
IL
I
OZ
I
DD
I
DD
I
DDS
Input High Current
Input Low Current
Input Low Current
Output Leakage Current
Power Supply Current
[7, 8]
Power Supply Current
[7, 8]
Power-down Current
V
IH
= V
DD
V
IL
= 0V, except PWR_SEL
V
IL
= 0V, PWR_SEL only
Three-state
V
DD
= 3.465V, V
IN
= 0 or V
DD
, Loaded Outputs, CPU = 66.67 MHz
V
DD
= 3.465V, V
IN
= 0 or V
DD
, Unloaded Outputs
Current draw in power-down state, PWR_SEL = V
DD
–
10
+10
10
100
+10
250
120
150
μ
A
μ
A
μ
A
μ
A
mA
mA
μ
A
–
10
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