參數(shù)資料
型號(hào)： M80XXLFXI
廠商： CYPRESS SEMICONDUCTOR CORP
元件分類： 時(shí)鐘產(chǎn)生/分配
英文描述： OTHER CLOCK GENERATOR, QCC24
封裝： 4 X 4 MM, LEAD FREE, MO-220, QFN-24
文件頁數(shù)： 3/17頁
文件大小： 526K
代理商： M80XXLFXI
MoBL Clock
M4000/M8000
Document Number: 001-29179 Rev. *C
Page 11 of 17
AC Electrical Specifications
AC Electrical Specification table for M40xx/M80xx family (VDD_CLK_BX = 1.5 V/1.8 V/2.5 V/3.0 V/3.3 V)
Parameter
Description
Conditions
Min
Typ
Max
Unit
FCLK
Clock Output Frequency
All clock outputs
3
–
50
MHz
FREF (crystal) Crystal Frequency, XIN
8
–
48
MHz
FREF (clock)
Input Clock Frequency,
EXCLKIN
1
–
48
MHz
DC
Output Clock Duty Cycle
Duty Cycle is defined in Figure 9 on
page 12; t1/t2, measured at 50% of
VDD_CLK_BX
45
50
55
%
TRF1[4]
Output Clock Rise/Fall Time Measured from 20% to 80% of
VDD_CLK_BX, as shown in Figure 10 on
page 12, CLOAD = 15 pF, drive strength
[00]
–
6.8
10.0
ns
TRF2[4]
Output Clock Rise/Fall Time Measured from 20% to 80% of
VDD_CLK_BX, as shown in Figure 10 on
page 12, CLOAD = 15 pF, drive strength
[01]
–3.4
5.0
ns
TRF3[4]
Output Clock Rise/Fall Time Measured from 20% to 80% of
VDD_CLKX_BX, as shown in Figure 10
on page 12, CLOAD = 15 pF, drive
strength [10]
–2.0
3.0
ns
TRF4[4]
Output Clock Rise/Fall Time Measured from 20% to 80% of
VDD_CLKX_BX, as shown in Figure 10
on page 12, CLOAD = 15 pF, drive
strength [11]
–1.0
1.5
ns
TCCJ[3, 4]
Cycle-to-cycle Jitter
EXCLKIN = CLKx = 48 MHz, CLOAD =
15 pF, 4 PLLs and 1 output for each
PLL enabled, drive strength = [11]
–150
–
ps
TLOCK[4]
PLL Lock Time
–
1
3
ms
Recommended Crystal Specification for SMD Package
Parameter
Description
Range 1 Range 2 Range 3
Unit
Fmin
Minimum Frequency
8
14
28
MHz
Fmax
Maximum Frequency
14
28
48
MHz
R1
Motional Resistance (ESR)
135
50
30
C0
Shunt Capacitance
4
2
pF
CL
Parallel Load Capacitance
18
14
12
pF
DL(max)
Maximum Crystal Drive Level
300
W
Notes
3. This parameter is configuration dependent. The specified value is for the drive level setting of [1,1].
4. Parameters are guaranteed by design and characterization. Not 100% tested in production. All parameters specified with fully loaded outputs.
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