参数资料
型号: CY28317PVXC-2T
厂商: Silicon Laboratories Inc
文件页数: 14/20页
文件大小: 0K
描述: IC CLK FTG VIA PL/E133T 48SSOP
标准包装: 1,000
类型: 时钟/频率发生器
PLL:
输入: 晶体
输出: HCSL,LVCMOS
电路数: 1
比率 - 输入:输出: 1:20
差分 - 输入:输出: 无/是
频率 - 最大: 248MHz
电源电压: 3.135 V ~ 3.465 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 48-BSSOP(0.295",7.50mm 宽)
供应商设备封装: 48-SSOP
包装: 带卷 (TR)
CY28317-2
....................... Document #: 38-07094 Rev. *B Page 3 of 20
VDD_REF,
VDD_PCI,
VDD_SDRAM,
VDD_48MHz
VDD_CPU_3.3
5, 9, 28, 29,
35, 45
P
Power Connection: Power supply for core logic, PLL circuitry, SDRAM outputs,
PCI outputs, reference outputs, 48-MHz output, and 24_48-MHz output.
Connect to 3.3V supply.
VDD_CPU_2.5
46
P
Power Connection: Power supply for CPU outputs. Connect to 2.5V supply.
GND_REF,
GND_PCI,
GND_SDRAM,
GND_48MHz,
GND_CPU
1, 6, 12, 23,
32, 38, 42
G
Ground Connections: Connect all ground pins to the common system ground
plane.
Pin Definitions (continued)
Pin Name
Pin No.
Pin Type
Pin Description
Table 1. Swing Select Functions
Mult0
Board Target
Trace/Term Z
Reference R, IREF=
VDD/(3*Rr)
Output Current
VOH @ Z
060
Rr = 221 1%
IREF = 5.00 mA
IOH = 4*IREF
1.0V @ 50
150
Rr = 475 1%
IREF = 2.32 mA
IOH = 6*IREF
0.7V @ 50
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