参数资料
型号: CY28409OXCT
厂商: Silicon Laboratories Inc
文件页数: 7/16页
文件大小: 0K
描述: IC CLOCK CK409GRANTSDALE 56TSSOP
标准包装: 1,000
类型: *
PLL:
输入: 晶体
输出: 时钟
电路数: 1
比率 - 输入:输出: 1:21
差分 - 输入:输出: 无/是
频率 - 最大: 400MHz
除法器/乘法器: 是/无
电源电压: 3.135 V ~ 3.465 V
工作温度: 0°C ~ 70°C
安装类型: *
封装/外壳: *
供应商设备封装: *
包装: *
其它名称: SLCY28409OXCT
CY28409
......................Document #: 38-07445 Rev. *D Page 15 of 16
Test and Measurement Set-up
For Differential CPU and SRC Output Signals
The following diagram shows lumped test load configurations
for the differential Host Clock Outputs.
CP U T
T PC B
CP UC
33
33
49 .9
49 .9
M eas urem en t
Po in t
2 pF
475
IR E F
M eas urem ent
Po in t
2 pF
Figure 11. 0.7V Load Configuration
2.0V
0.8V
3.3 V
0V
Tr
Tf
1.5V
3. 3V s ig n al s
tD C
P robe
O u tp u t un de r T e s t
L oad C a p
-
Figure 12. Lumped Load For Single-ended Output Signals (for AC Parameters Measurement)
Table 10.CPU Clock Current Select Function
Board Target Trace/Term Z
Reference R, IREF – VDD (3*RREF)
Output Current
Voh @ Z
50 Ohms
RREF = 475 1%, IREF = 2.32 mA
IOH = 6*IREF
0.7V @ 50
Ordering Information
Part Number
Package Type
Product Flow
CY28409OC
56-pin SSOP
Commercial, 0
to 70C
CY28409OCT
56-pin SSOP – Tape and Reel
Commercial, 0
to 70C
CY28409ZC
56-pin TSSOP
Commercial, 0
to 70C
CY28409ZCT
56-pin TSSOP – Tape and Reel
Commercial, 0
to 70C
PB-Free
CY28409OXC
56-pin SSOP
Commercial, 0
to 70C
CY28409OXCT
56-pin SSOP – Tape and Reel
Commercial, 0
to 70C
CY28409ZXC
56-pin TSSOP
Commercial, 0
to 70C
CY28409ZXCT
56-pin TSSOP – Tape and Reel
Commercial, 0
to 70C
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