参数资料
型号: SY69753LHI TR
厂商: Micrel Inc
文件页数: 10/13页
文件大小: 0K
描述: IC CLOCK/DATA RECVRY 3.3V 32TQFP
标准包装: 1,000
类型: 时钟和数据恢复(CDR),多路复用器
PLL:
主要目的: 以太网,SONET/SDH,ATM OC-3
输入: PECL
输出: PECL
电路数: 1
比率 - 输入:输出: 1:3
差分 - 输入:输出: 是/是
频率 - 最大: 155Mbps
电源电压: 3.15 V ~ 3.45 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-TQFP 裸露焊盘
供应商设备封装: 32-EPAD-TQFP
包装: 带卷 (TR)
其它名称: SY69753LHITR
SY69753LHITR-ND
MCP7940M
DS22292A-page 6
Preliminary
2012 Microchip Technology Inc.
2.0
PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 2-1.
TABLE 2-1:
PIN DESCRIPTIONS
FIGURE 2-1:
DEVICE PINOUTS
2.1
Serial Data (SDA)
This is a bidirectional pin used to transfer addresses
and data into and out of the device. It is an open-drain
terminal, therefore, the SDA bus requires a pull-up
resistor to VCC (typically 10 k
for 100 kHz, 2 k for
400 kHz). For normal data transfer, SDA is allowed to
change only during SCL low. Changes during SCL high
are reserved for indicating the Start and Stop
conditions.
2.2
Serial Clock (SCL)
This input is used to synchronize the data transfer from
and to the device.
2.3
X1, X2
External Crystal Pins.
2.4
MFP
Open-drain pin used for alarm and clock-out.
Pin Name
Pin Function
VSS
Ground
SDA
Bidirectional Serial Data
SCL
Serial Clock
X1
Xtal Input, External Oscillator Input
X2
Xtal Output
NC
Not Connected
MFP
Multi-Function Pin
VCC
+1.8V to +5.5V Power Supply
X1
X2
NC
VSS
VCC
MFP
SCL
SDA
1
2
3
4
8
7
6
5
SOIC/DFN/MSOP/TSSOP
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