
MAX9311/MAX9313
1:10 Differential LVPECL/LVECL/HSTL
Clock and Data Drivers
6
_______________________________________________________________________________________
Pin Description
PIN
NAME
FUNCTION
1, 9, 16,
25, 32
VCC
Positive Supply Voltage. Bypass from VCC to VEE with 0.1F and 0.01F ceramic capacitors. Place the
capacitors as close to the device as possible with the smaller value capacitor closest to the device.
2
CLKSEL
Clock Select Input (Single-Ended). Drive low to select the CLK0, CLK0 input. Drive high to select the
CLK1, CLK1 input. The CLKSEL threshold is VBB. If CLKSEL is not driven by a logic signal, use a 1k
pulldown to VEE to select CLK0, CLK0, or a 1k
 pullup to VCC to select CLK1, CLK1.
3
CLK0
Noninverting Differential Clock Input 0. Internal 75k
 pulldown resistor.
4
CLK0
Inverting Differential Clock Input 0. Internal 75k
 pullup and pulldown resistors.
5VBB
Reference Output Voltage. Connect to the inverting or noninverting clock input to provide a reference for
single-ended operation. When used, bypass with a 0.01F ceramic capacitor to VCC; otherwise, leave open.
6
CLK1
Noninverting Differential Clock Input 1. Internal 75k
 pulldown resistor.
7
CLK1
Inverting Differential Clock Input 1. Internal 75k
 pullup and pulldown resistors.
8VEE
Negative Supply Voltage
10
Q9
Inverting Q9 Output. Typically terminate with 50
 resistor to VCC - 2V.
11
Q9
Noninverting Q9 Output. Typically terminate with 50
 resistor to VCC - 2V.
12
Q8
Inverting Q8 Output. Typically terminate with 50
 resistor to VCC - 2V.
13
Q8
Noninverting Q8 Output. Typically terminate with 50
 resistor to VCC - 2V.
14
Q7
Inverting Q7 Output. Typically terminate with 50
 resistor to VCC - 2V.
15
Q7
Noninverting Q7 Output. Typically terminate with 50
 resistor to VCC - 2V.
17
Q6
Inverting Q6 Output. Typically terminate with 50
 resistor to VCC - 2V.
18
Q6
Noninverting Q6 Output. Typically terminate with 50
 resistor to VCC - 2V.
19
Q5
Inverting Q5 Output. Typically terminate with 50
 resistor to VCC - 2V.
20
Q5
Noninverting Q5 Output. Typically terminate with 50
 resistor to VCC - 2V.
21
Q4
Inverting Q4 Output. Typically terminate with 50
 resistor to VCC - 2V.
22
Q4
Noninverting Q4 Output. Typically terminate with 50
 resistor to VCC - 2V.
23
Q3
Inverting Q3 Output. Typically terminate with 50
 resistor to VCC - 2V.
24
Q3
Noninverting Q3 Output. Typically terminate with 50
 resistor to VCC - 2V.
26
Q2
Inverting Q2 Output. Typically terminate with 50
 resistor to VCC - 2V.
27
Q2
Noninverting Q2 Output. Typically terminate with 50
 resistor to VCC - 2V.
28
Q1
Inverting Q1 Output. Typically terminate with 50
 resistor to VCC - 2V.
29
Q1
Noninverting Q1 Output. Typically terminate with 50
 resistor to VCC - 2V.
30
Q0
Inverting Q0 Output. Typically terminate with 50
 resistor to VCC - 2V.
31
Q0
Noninverting Q0 Output. Typically terminate with 50
 resistor to VCC - 2V.