PI6C180BVEX Pericom Semiconductor, PI6C180BVEX Datasheet - Page 6

• Manufacturer Part Number: PI6C180BVEX
• Description: Clock Buffer Precision 1 18 Clock Buffer
• Manufacturer: Pericom Semiconductor

Specifications of PI6C180BVEX

• Number Of Outputs: 18
• Propagation Delay (max): 5.5 ns
• Supply Voltage (max): 3.465 V
• Supply Voltage (min): 3.135 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Package / Case: SSOP-48
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PCB Layout Suggestion
Note:
1.
2.
3.
100/66 MHz
Clock from
This is only a suggested layout. There may be alternate solutions depending on actual PCB design and layout.
As a general rule, C1-C11 should be placed as close as possible to their respective V
Recommended capacitor values:
C1-C11...... 0.1µF, ceramic
C12.......... 22µF
Chipset
06-0109
PI6C180B
Figure 2. Design Guidelines
SDRAM
18
C1
C2
C3
C4
C5
C6
VDD
VSS
VDD
VSS
VDD
VSS
VDD
VSS
VDD
VSS
VDD
22Ω
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
CI
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
SDRAM
DIMM
Spec.
VDD
VSS
VDD
VSS
VDD
VSS
VDD
VSS
VDD
VSS
VSS
C11
C10
6
C9
C8
C7
Ferrite Bead
DD
.
22uF
C12
VCC
Via to GND Plane
Via to VDD Plane
Void in Power Plane
Precision 1-18 Clock Buffer
PS8468B
PI6C180B
06/20/06