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参数资料
| 型号： | MPC92430FN |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 800 MHz, OTHER CLOCK GENERATOR, PQCC28 |
| 封装： | PLASTIC, LCC-28 |
| 文件页数： | 5/9页 |
| 文件大小： | 165K |
| 代理商： | MPC92430FN |
MPC92430
422
FREESCALE SEMICONDUCTOR ADVANCED CLOCK DRIVERS DEVICE DATA
Table 7. AC Characteristics (VCC = 3.3 V ± 5%, TA = 0°C to +70°C)
1
1.
AC characteristics apply for parallel output termination of 50
to V
TT.
Symbol
Characteristics
Min
Typ
Max
Unit
Condition
fXTAL
Crystal Interface Frequency Range
10
20
MHz
fREF
FREF_EXT Reference Frequency Range
10
(fVCO,MAX÷M)2
2
2.
The maximum frequency of FREF_EXT is a function of the max. VCO frequency and the M counter. M should be higher than 160 for stable PLL
operation.
MHz
fVCO
VCO Frequency Range3
3.
The input frequency fXTAL and the PLL feedback divider M must match the VCO frequency range: fVCO = fXTAL M ÷ 4.
400
800
MHz
fMAX
Output Frequency
N = 11 (
÷1)
N = 00 (
÷2)
N = 01 (
÷4)
N = 10 (
÷8)
400
200
100
50
800
400
200
100
MHz
fS_CLOCK
Serial Interface Programming Clock Frequency4
4.
The frequency of S_CLOCK is limited to 10 MHz in serial programming mode. S_CLOCK can be switched at higher frequencies when used as
test clock in test mode 6. See APPLICATIONS INFORMATION for more details.
010
MHz
fP,MIN
Minimum Pulse Width
(S-LOAD, P_LOAD)
50
ns
DC
Output Duty Cycle
45
50
55
%
tr, tf
Output Rise/Fall Time
0.05
0.3
ns
20% to 80%
tS
Setup Time
S_DATA to S_CLOCK
S_CLOCK to S_LOAD
M, N to P_LOAD
20
ns
tH
Hold Time
S_DATA to S_CLOCK
M, N to P_LOAD
20
ns
tJIT(PER)
Period Jitter
25
ps
tLOCK
Maximum PLL Lock Time
10
ms
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