参数资料
型号: SI5338E-A-GM
厂商: Silicon Laboratories Inc
文件页数: 43/44页
文件大小: 0K
描述: IC CLK GEN I2C BUS PROG 24QFN
标准包装: 490
系列: MultiSynth™
类型: *
PLL:
输入: CML,HCSL,HSCL,LVDS,LVPECL,晶体
输出: CMOS,HCSL. HSTL. LVDS. LVPECL. SSTL
电路数: 1
比率 - 输入:输出: 1:4
差分 - 输入:输出: 是/是
频率 - 最大: 350MHz
除法器/乘法器: 是/是
电源电压: 1.71 V ~ 3.63 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-VFQFN 裸露焊盘
供应商设备封装: 24-QFN(4x4)
包装: 托盘
Si5338
8
Rev. 1.3
Table 6. Input and Output Clock Characteristics
(VDD = 1.8 V –5% to +10%, 2.5 V ±10%, or 3.3 V ±10%, TA = –40 to 85 °C)
Parameter
Symbol
Test Condition
Min
Typ
Max
Units
Input Clock (AC Coupled Differential Input Clocks on Pins IN1/2, IN5/6)1
Frequency
fIN
5—
710
MHz
Differential Voltage
Swing
VPP
710 MHz input
0.4
2.4
VPP
Rise/Fall Time2
tR/tF
20%–80%
1.0
ns
Duty Cycle
DC
< 1 ns tr/tf
40
60
%
Duty Cycle
DC
(PLL bypass)3
< 1 ns tr/tf
45
55
%
Input Impedance1
RIN
10
k
Input Capacitance
CIN
—3.5
pF
Input Clock (DC-Coupled Single-Ended Input Clock on Pins IN3/4)
Frequency
fIN
CMOS
5
200
MHz
Input Voltage
VI
–0.1
3.73
V
Input Voltage Swing
200 MHz
0.8
VDD+10%
Vpp
Rise/Fall Time4
tR/tF
10%–90%
4
ns
Rise/Fall Time4
tR/tF
20%–80%
2.3
ns
Duty Cycle5
DC
< 4 ns tr/tf
40
60
%
Input Capacitance
CIN
—2.0
pF
Output Clocks (Differential)
Frequency6
fOUT
LVPECL, LVDS,
CML
0.16
350
MHz
367
473.33
MHz
550
710
MHz
HCSL
0.16
250
MHz
Notes:
1. Use an external 100
resistor to provide load termination for a differential clock. See Figure 3.
2. For best jitter performance, keep the midpoint differential input slew rate on pins 1,2,5,6 faster than 0.3 V/ns.
3. Minimum input frequency in clock buffer mode (PLL bypass) is 5 MHz. Operation to 1 MHz is also supported in buffer
mode, but loss-of-signal (LOS) status is not functional.
4. For best jitter performance, keep the mid point input single ended slew rate on pins 3 or 4 faster than 1 V/ns.
5. Not in PLL bypass mode.
6. Only two unique frequencies above 350 MHz can be simultaneously output, Fvco/4 and Fvco/6. See "3.3. Synthesis
7. CML output format requires ac-coupling of the differential outputs to a differential 100
load at the receiver.
8. Includes effect of internal series 22
resistor.
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