VITESSE
SEMICONDUCTOR CORPORATION
Datasheet
2.5 Gb/s 16-Bit Multiplexer/
Demultiplexer Chipset
VSC8061/VSC8062
Table 5: VS8061 Pin Description
Pin # For QH
Pin # For F
Name
I/O
Level
Description
38
37
9
13
12
34
35
9
CLK
CLKN
I
I
HS
HS
High speed clock true1
High speed clock complement 1
Data clock true1
DCLK
I
ECL
ECL
ECL
ECL
10
34
33
DCLKN
CLK16
CLK16N
I
Data Clock complement1
Clock divide-by-16 true
Clock divide-by-16 complement
O
O
8
1-3,5,6,38-
42,44,45,47,
48,50,51
11, 15-20, 22-25,
28-32
D[0:15]
I
ECL
Parallel data inputs
45
44
7
19
17
31
32
DO
DON
U
O
O
O
O
HS
HS
Serial data output true
Serial data output complement
Phase detector output - up frequency
Phase detector output - down frequency
ECL
ECL
8
D
1,12,27,
39,51
4,10,18,30,
36,43,49
VCC
-
-
Most positive supply
2,5,13,14,21,
26,35
7,46
33
VTT
VEE
-
-
-
-
DCFL negative supply
SCFL negative supply
36,42,43, 46, 49
11,14-16,20-
22,24-
26,29,37,52
6,40,41,47,48,
50
NC
-
-
Do not connect, leave open
Test inputs. Used in factory for testing, connect to
VTT through a resistor
3,4
52
27,28
23
Test
VEE*
-
-
-
-
Heat sink bias, connect to VEE
1 Can be used single-ended.
Page 12
VITESSE SEMICONDUCTOR CORPORATION
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896
G52069-0, Rev. 4.1
6/22/99
VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
