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參數(shù)資料
型號: MPC93R51AC
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 9/13頁
文件大小: 0K
描述: IC PLL CLK DRIVER LV 32-LQFP
標(biāo)準(zhǔn)包裝: 250
類型: PLL 時鐘發(fā)生器
PLL: 帶旁路
輸入: LVCMOS,LVPECL
輸出: LVCMOS
電路數(shù): 1
比率 - 輸入:輸出: 2:9
差分 - 輸入:輸出: 是/無
頻率 - 最大: 240MHz
除法器/乘法器: 是/是
電源電壓: 3.135 V ~ 3.465 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 32-LQFP
供應(yīng)商設(shè)備封裝: 32-TQFP(7x7)
包裝: 托盤
MPC93R51 REVISION 4 JANUARY 31, 2013
5
2013 Integrated Device Technology, Inc.
MPC93R51 Data Sheet
LOW VOLTAGE PLL CLOCK DRIVER
Table 6. AC Characteristics (VCC = 3.3 V 5%, TA = 0° to 70°C)(1)
1. AC characteristics apply for parallel output termination of 50
to VTT.
Symbol
Characteristics
Min
Typ
Max
Unit
Condition
fref
Input Frequency(2)
4 feedback
8 feedback
Static test mode
2. The PLL will be unstable with a divide by 2 feedback ratio
50
25
0
120
60
300
MHz
PLL_EN = 1
PLL_EN = 0
fVCO
VCO Frequency
200
480
MHz
fMAX
Maximum Output Frequency(2)
2 output
4 output
8 output
100
50
25
240
120
60
MHz
frefDC
Reference Input Duty Cycle
25
75
%
VPP
Peak-to-Peak Input Voltage
PCLK, PCLK
500
1000
mV
LVPECL
VCMR(3)
3. VCMR (AC) is the crosspoint of the differential input signal. Normal AC operation is obtained when the crosspoint is within the VCMR range
and the input swing lies within the VPP (AC) specification. Violation of VCMR or VPP impacts static phase offset t().
Common Mode Range
PCLK, PCLK
1.2
VCC–0.9
V
LVPECL
tr, tf(4)
4. The MPC93R51 will operate with input rise/fall times up to 3.0 ns, but the AC characteristics, specifically t(), can only be guaranteed if tr/tf
are within the specified range.
TCLK Input Rise/Fall Time
1.0
ns
0.8 to 2.0 V
t()
Propagation Delay (static phase offset)
TCLK to EXT_FB
PCLK to EXT_FB
-50
+25
+150
+325
ps
PLL locked
tsk(o)
Output-to-Output Skew
150
ps
DC
Output Duty Cycle
100 – 240 MHz
50 – 120 MHz
25 – 60 MHz
45
47.5
48.75
50
55
52.5
51.75
%
tr, tf
Output Rise/Fall Time
0.1
1.0
ns
0.55 to 2.4 V
tPLZ, HZ
Output Disable Time
7.0
ns
tPZL, ZH
Output Enable Time
6.0
ns
BW
PLL closed loop bandwidth
4 feedback
8 feedback
3.0 – 9.5
1.2 – 2.1
MHz
–3 db point of
PLL transfer characteristic
tJIT(CC)
Cycle-to-cycle jitter
4 feedback
Single Output Frequency Configuration
10
22
ps
RMS value
tJIT(PER)
Period Jitter
4 feedback
Single Output Frequency Configuration
8.0
15
ps
RMS value
tJIT()
I/O Phase Jitter
4.0 – 17
ps
RMS value
tLOCK
Maximum PLL Lock Time
1.0
ms
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