Clock select. Used to select between CLK0 and CLK1 input pairs. LVTTL/LVCMOS functionality compatible.
CLK0, CLK0
3
Input
Differential LVECL/LVPECL input pair
4
CLK1, CLK1
6
7
Q [9:0]
11
Output
LVECL/LVPECL clock outputs, these outputs provide low-skew copies of CLKn.
13
15
18
20
22
24
27
29
31
Q[9:0]
10
Output
LVECL/LVPECL complementary clock outputs, these outputs provide copies of CLKn.
12
14
17
19
21
23
26
28
30
VBB
5
—
Reference voltage output for single-ended input operation
VCC
1
Power
Supply voltage
9
16
25
32
VEE
8
Ground
Device ground or negative supply voltage in ECL mode
PowerPAD™
0
Ground
The PowerPAD of the QFN32 is thermally connected to the die to improve the heat transfer out of the package. The pad of the QFN32 with PowerPAD must be connected to VEE.