IDT5V41236
4 OUTPUT PCIE GEN1/2/3 SYNTHESIZER
IDT®
4 OUTPUT PCIE GEN1/2/3 SYNTHESIZER 3
IDT5V41236 APRIL 4, 2017
Pin Descriptions
Pin Pin
Name
Pin
Type
Pin Description
1 VDDXD Power Connect to +3.3V digital supply.
2 S0 Input Spread spectrum select pin #0. See table above. Internal pull-up resistor.
3 S1 Input Spread spectrum select pin #1. See table above Internal pull-up resistor.
4 S2 Input Spread spectrum select pin #2. See table above. Internal pull-up resistor.
5 X1 Input Crystal connection. Connect to a fundamental mode crystal or clock input.
6 X2 Output Crystal connection. Connect to a fundamental mode crystal or leave open.
7 PD# Input Powers down all PLLs and tri-states outputs when low. Internal pull-up resistor.
8 OE Input Provides output on, tri-states output (High = enable outputs; Low = disable outputs).
Internal pull-up resistor.
9 GND Power Connect to digital ground.
10 IREF Output Precision resistor attached to this pin is connected to the internal current reference.
11 CLKD# Output Selectable 100/200MHz spread spectrum differential complement output clock D.
12 CLKD Output Selectable 100/200MHz spread spectrum differential true output clock D.
13 CLKC# Output Selectable 100/200MHz spread spectrum differential complement output clock C.
14 CLKC Output Selectable 100/200MHz spread spectrum differential true output clock C.
15 VDDODA Power Connect to +3.3V analog supply.
16 GND Power Connect to analog ground.
17 CLKB# Output Selectable 100/200MHz spread spectrum differential complement output clock B.
18 CLKB Output Selectable 100/200MHz spread spectrum differential true output clock B.
19 CLKA# Output Selectable 100/200MHz spread spectrum differential complement output clock A.
20 CLKA Output Selectable 100/200MHz spread spectrum differential true output clock A.
