参数资料
型号: SY58021UMI TR
厂商: Micrel Inc
文件页数: 7/13页
文件大小: 0K
描述: IC CLK BUFFER TRANSLA 1:4 16-MLF
标准包装: 1,000
系列: Precision Edge®
类型: 扇出缓冲器(分配),变换器
电路数: 1
比率 - 输入:输出: 1:4
差分 - 输入:输出: 是/是
输入: CML,LVDS,LVPECL
输出: LVPECL
频率 - 最大: 4GHz
电源电压: 2.375 V ~ 3.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-VFQFN 裸露焊盘,16-MLF?
供应商设备封装: 16-MLF?(3x3)
包装: 带卷 (TR)
其它名称: SY58021UMITR
SY58021UMITR-ND
Micrel, Inc.
SY58021U
September 2011
3
M9999-090111-B
hbwhelp@micrel.com or (408) 955-1690
Pin Description
Pin Number
Pin Name
Pin Function
1, 4
IN, /IN
Differential Input: This input pair receives the signal to be buffered. Each pin of this pair internally
terminates with 50 to the VT pin. Note that this input will default to an indeterminate state if left
open. See “Input Interface Applications” section.
2
VT
Input Termination Center-Tap: Each input terminates to this pin. The VT pin provides a center-tap
for each input (IN, /IN) to the termination network for maximum interface flexibility. See “Input
Interface Applications” section.
3
VREF-AC
Reference Output Voltage: This output biases to VCC –1.2V. It is used when AC-coupling to
differential inputs. Connect VREF-AC directly to the VT pin. Bypass with 0.01F low ESR capacitor
to VCC. See “Input Interface Applications” section.
8, 13
VCC
Positive Power Supply: Bypass with 0.1F//0.01F low ESR capacitors as close to the VCC pins
as possible.
5, 16
GND,
Exposed Pad
Ground. Exposed pad must be connected to a ground plane that is the same potential as the
ground pin.
14, 15, 11, 12,
9, 10, 6, 7
/Q0, Q0, /Q1,
Q1, /Q2, Q2,
/Q3, Q3
LVPECL Differential Output Pairs: Differential buffered output copy of the input signal. The output
swing is typically 800mV Proper termination is 50 to VCC–2V at the receiving end. Unused
output pairs may be left floating with no impact on jitter or skew. See “LVPECL Output
Termination” section.
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