參數(shù)資料
型號: SY55858UHITR
廠商: MICREL INC
元件分類: 運動控制電子
英文描述: 2.5V/3.3V 3.0GHZ DUAL 2 x 2 CML CROSSPOINT SWITCH W/INTERNAL TERMINATION
中文描述: DUAL 2-CHANNEL, CROSS POINT SWITCH, PQFP32
封裝: TQFP-32
文件頁數(shù): 3/8頁
文件大?。?/td> 85K
代理商: SY55858UHITR
3
SuperLite
SY55858U
Micrel, Inc.
M9999-110705
hbwhelp@micrel.com or (408) 955-1690
PIN DESCRIPTION
Pin Number
Pin Name
Pin Function
1
DB1
Channel B1 posititve signal input.
2
VTB1
Channel B1 termination center-tap. For CML inputs, leave this pin floating.
Otherwise, see Figures 5a
5d in
Input Interface Application
section.
3
/DB1
Channel B1 negative signal input.
4
SELB0
Channel B0 output select. TTL/CMOS input.
5
DB0
Channel B0 positive signal input.
6
VTB0
Channel B0 termination center-tap. For CML inputs, leave this pin floating.
Otherwise, see Figures 5a
5d in
Input Interface Application
section.
7
/DB0
Channel B0 negative signal input.
8
SELB1
Channel B1 output select. TTL/CMOS input.
9, 24
GND
Supply Ground.
10, 13, 16, 17, 20, 23
VCC
Positive supply normally connect to 2.5V, 3.3V, or 5V nominal supply, and
bypass each pin with 0.1
μ
F//0.01
μ
F low ESR capacitors.
11
/QB0
Channel B0 negative signal output. 50
CML.
12
QB0
Channel B0 positive signal output. 50
CML.
14
/QB1
Channel B1 negative signal output. 50
CML.
15
QB1
Channel B1 positive signal output. 50
CML.
18
/QA1
Channel A1 negative signal output. 50
CML.
19
QA1
Channel A1 positive signal output. 50
CML.
21
/QA0
Channel A0 negative signal output. 50
CML.
22
QA0
Channel A0 positive signal output. 50
CML.
25
DA0
Channel A0 positive signal input.
26
VTA0
Channel A0 termination center-tap. For CML inputs, leave this pin floating.
Otherwise, see Figures 5a
5d in
Input Interface Application
section.
27
/DA0
Channel A0 negative signal input.
28
SELA1
Channel A1 output select. TTL/CMOS input.
29
DA1
Channel A1 positive signal input.
30
VTA1
Channel A1 termination center-tap. For CML inputs, leave this pin floating.
Otherwise, see Figures 5a
5d in
Input Interface Application
section.
31
/DA1
Channel A1 negative signal input.
32
SELA0
Channel A1 output select. TTL/CMOS input.
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