SI52144 SILABS [Silicon Laboratories], SI52144 Datasheet - Page 16

• Manufacturer Part Number: SI52144
• Description: PCI-EXPRESS GEN 1, GEN 2, & GEN 3 CLOCK QUAD OUTPUT GENERATOR
• Manufacturer: SILABS [Silicon Laboratories]

Si52144
5. Pin Descriptions: 24-Pin QFN
16
Pin #
1,6
10
11
2
3
4
5
7
8
9
SSON
DIFF0
DIFF0
DIFF1
DIFF1
Name
VDD
OE1
VSS
OE2
OE0
Notes:
1. Internal 100 kohm pull-up.
2. Internal 100 kohm pull-down.
SSON
OE1
VSS
VDD
OE2
VDD
1
2
1
Table 7. Si52144 24-Pin QFN Descriptions
O, DIF 0.7 V, 100 MHz differential clock
O, DIF 0.7 V, 100 MHz differential clock
O, DIF 0.7 V, 100 MHz differential clock
O, DIF 0.7 V, 100 MHz differential clock
Type
PWR 3.3 V power supply
GND Ground
I,PU
I,PD
I,PU
I,PU
1
2
3
4
5
6
24
Refer to Table 1 on page 4 for OE specifications.
Refer to Table 1 on page 4 for SSON specifications.
Refer to Table 1 on page 4 for OE specifications.
Refer to Table 1 on page 4 for OE specifications.
3.3 V input to disable DIFF1 (internal 100 k pull-up).
3.3 V input for Spread Control (internal 100 k pull-down).
3.3 V input to disable DIFF2 (internal 100 k pull-up).
3.3 V input to disable DIFF0 (internal 100 k pull-up).
7
23
Preliminary Rev. 0.1
8
22
9
GND
25
21
10
20
11
12
19
Description
18
17
16
15
14
13
OE3
VDD
DIFF3
DIFF3
DIFF2
DIFF2
1