参数资料
型号: MK2069-04GITR
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 时钟产生/分配
英文描述: 160 MHz, OTHER CLOCK GENERATOR, PDSO56
封装: 6.10 MM, 0.50 MM PITCH, TSSOP-56
文件页数: 11/21页
文件大小: 410K
代理商: MK2069-04GITR
MK2069-04
VCXO-BASED UNIVERSAL CLOCK TRANSLATOR
VCXO AND SYNTHESIZER
IDT VCXO-BASED UNIVERSAL CLOCK TRANSLATOR
19
MK2069-04
REV J 051310
Note 1: This is the recommended crystal operating range. A crystal as low as 8 MHz can be used, although this may
result in increased output phase noise.
Note 2: The VCXO crystal will be pulled to its minimum frequency when there is no input clock (CLR = 1) due to the
attempt of the PLL to lock to 0 Hz.
Note 3: The minimum practical phase detector frequency is 1 kHz. Through proper loop filter design lower input
frequencies may be possible. Input frequencies as low as 400 Hz have been tested.
Note 4: A higher input clock frequency can be used when RPV divider = 8.
Note 5: The output of RCLK is a positive pulse with a duration equal to VCLK high time, or half the VCLK period.
Note 6: Referenced to ICLK, the skews of VCLK, RCLK and TCLK increase together when leakage is present in the
external VCXO PLL loop filter.
Output Rise Time, VCLK and
RCLK
tOR
0.8 to 2.0 V, CL=15 pF
1.5
2
ns
Output Fall Time, VCLK and
RCLK
tOF
2.0 to 0.8 V, CL=15 pF
1.5
2
ns
Output Rise Time, TCLK
tOR
0.8 to 2.0 V, CL=15 pF
0.75
1
ns
Output Fall Time, TCLK
tOF
2.0 to 0.8 V, CL=15 pF
0.75
1
ns
Skew, ICLK to VCLK (Note 6)
tIV
Rising edges, CL=15 pF
-5
2.5
+10
ns
Skew, ICLK to RCLK (Note 6)
tIV
Rising edges, CL=15 pF
+5
10
+20
ns
Skew, ICLK to TCLK (Note 6)
tVT
Rising edges, CL=15 pF
-5
1.5
+10
ns
Nominal Output Impedance
ZOUT
20
Parameter
Symbol
Conditions
Min.
Typ.
Max. Units
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