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參數(shù)資料
| 型號： | MK1493-14GLF |
| 元件分類： | 時鐘產生/分配 |
| 英文描述： | 100 MHz, OTHER CLOCK GENERATOR, PDSO28 |
| 封裝： | 0.173 INCH, ROHS COMPLIANT, MO-153, TSSOP-28 |
| 文件頁數(shù)： | 9/16頁 |
| 文件大小： | 167K |
| 代理商： | MK1493-14GLF |
SPREAD SPECTRUM CLOCK GENERATOR
MDS 1493-14 A
2
Revision 082205
In te gr ated Circuit Systems ● 525 Ra ce Street, San Jose, CA 9512 6 ● tel (4 08) 297-1 201 ● www.icst.com
MK1493-14
Pin Assignment
Pin Descriptions
18
7
17
8
16
9
15
F25MB
10
OE100M/25M
11
GND
12
VDD
13
14
RSET
F100MA_DN
F100MB_DN
F100MD_DP
22
21
20
19
F100MD_DN
VDD
5
6
VDD
F25MA
24
23
3
4
X2
GND
26
25
SMB_DATA
1
2
VDD
X1/ ICLK
SMB_CLK
28
27
F27M
F100MA_DP
F48M
GND
F100MC_DN
F100MC_DP
F100MB_DP
VDD
GND
Pin
Number
Pin
Name
Pin
Type
Pin Description
1
VDD
Power
Connect to voltage supply +3.3 V.
2
X1/ICLK
Input
Crystal or clock input. Connect to a 27 MHz crystal or single ended clock.
3
X2
Output
Crystal connection. Leave unconnected for clock input.
4
GND
Power
Connect to ground.
5
VDD
Power
Connect to voltage supply +3.3 V.
6
F25MA
Output
25 MHz Ethernet clock output. Internal pull-down resistor.
7
F25MB
Output
25 MHz Ethernet clock output. Internal pull-down resistor.
8
OE100M/25M
Input
Output Enable for F100Mx and F25Mx clocks. Internal pull-down resistor.
OE100M/25M = 1 enables all outputs. See Table 1.
9
GND
Power
Connect to ground.
10
F100MC_DP
Output
100 MHz differential clock (+), small spread.
11
F100MC_DN
Output
100 MHz differential clock (-), small spread.
12
GND100M
Power
Connect to ground.
13
F100MD_DP
Output
100 MHz differential clock (+), small spread.
14
F100MD_DN
Output
100 MHz differential clock (-), small spread.
15
F100MB_DN
Output
100 MHz differential clock (-), small spread.
16
F100MB_DP
Output
100 MHz differential clock (+), small spread.
17
VDD
Power
Connect to voltage supply +3.3 V
18
F100MA_DN
Output
100 MHz differential clock (-), small spread.
19
F100MA_DP
Output
100 MHz differential clock (+), small spread.
20
RSET
Input
Current set for all Differential clock driver
s, attach 475
resistor.
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