參數(shù)資料
型號: MPC992FA
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 時鐘產(chǎn)生/分配
英文描述: 375 MHz, PROC SPECIFIC CLOCK GENERATOR, PQFP32
封裝: LQFP-32
文件頁數(shù): 4/6頁
文件大?。?/td> 237K
代理商: MPC992FA
MPC992
FREESCALE SEMICONDUCTOR ADVANCED CLOCK DRIVERS DEVICE DATA
247
Table 6. DC Characteristics (TA = 0° to 70°C, VCC = 3.3V ± 5%)
Symbol
Characteristic
Min
Typ
Max
Unit
Condition
VIH
Input HIGH Voltage
PECL_CLK1
Other
1. DC levels will vary 1:1 with VCC.
2.15
2.0
2.4
VCC
V
VCC = 3.3V
VIL
Input LOW Voltage
PECL_CLK1
Other
1.5
0
1.8
0.8
V
VCC = 3.3V
VOH
Output HIGH Voltage1
1.8
2.4
V
VCC = 3.3V
VOL
Output LOW Voltage1
1.2
1.7
V
VCC = 3.3V
IIN
Input Current
–120
120
A
ICCI
Maximum Quiescent Supply Current
130
150
mA
ICCA
Maximum PLL Supply Current
15
20
mA
Table 7. AC Characteristics (TA = 0° to 70°C, VCC = 3.3V ± 5%)
Symbol
Characteristic
Min
Typ
Max
Unit
Condition
tr, tf
Output Rise/Fall Time
200
850
ps
20% to 80%
tpw1
Output Duty Cycle
49
51
%
tpw2
SYNC Output Duty Cycle
0.95
1.05
%
PCLK Period
fref
Input Reference Frequency
XTAL
FREF
10
Note1
20
Note1
1. ECLK and XTAL input reference limited by the feedback divide and the guaranteed VCO lock range.
MHz
tos
Output-to-Output Skew
Qa, Qb
Qa (–) to SYNC (+)
100
300
ps
fVCO
PLL VCO Lock Range
200
400
440
750
MHz
VCO_SEL = 1
VCO_SEL = 0
fmax
Maximum Output Frequency
Qa (
÷2)
Qa,Qb (
÷4)
Qb (
÷6)
Qb (
÷10)
375
187.5
125
75
MHz
Note2
2. At 400MHz the output swing will be less than the nominal value.
tjitter
Cycle-to-Cycle Jitter (Peak-to-Peak)
±25
±50
ps
Note3
3. Guaranteed by characterization.
tlock
Maximum PLL Lock Time
10
ms
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