Description:The 5PB1108 is a high-performance 1:8 LVCMOS clock buffer. It has best-in-class Additive Phase Jitter of 50 fsec RMS. The 5PB1108 also supports an Output Enable function. It is available in 16-pin QFN and TSSOP packages and can operate from a 1.8 V to 3.3 V supply.
IT CAN ALSO OPERATE WITH 2.5 V AND 3.3 V POWER SUPPLY
Family:
5PB11
Input Conditioning:
STANDARD
JESD-30 Code:
S-XQCC-N16
JESD-609 Code:
e3
Length:
2.5 mm
Logic IC Type:
LOW SKEW CLOCK DRIVER
Max I(ol):
0.012 A
Moisture Sensitivity Level:
1
Number of Functions:
1
Number of Terminals:
16
Number of True Outputs:
8
Operating Temperature-Max:
105 °C
Operating Temperature-Min:
-40 °C
Package Body Material:
UNSPECIFIED
Package Code:
VQCCN
Package Equivalence Code:
LCC16,.10SQ,16
Package Shape:
SQUARE
Package Style:
CHIP CARRIER, VERY THIN PROFILE
Packing Method:
TR
Peak Reflow Temperature (Cel):
260
Power Supply Current-Max (ICC):
38 mA
Prop. Delay@Nom-Sup:
2.5 ns
Propagation Delay (tpd):
3.3 ns
Same Edge Skew-Max (tskwd):
0.065 ns
Seated Height-Max:
0.55 mm
Supply Voltage-Max (Vsup):
3.465 V
Supply Voltage-Min (Vsup):
1.71 V
Supply Voltage-Nom (Vsup):
1.8 V
Surface Mount:
YES
Terminal Finish:
Tin (Sn)
Terminal Form:
NO LEAD
Terminal Pitch:
0.4 mm
Terminal Position:
QUAD
Time@Peak Reflow Temperature-Max (s):
30
Width:
2.5 mm
5PB1108CMGK8 Frequently Asked Questions (FAQs)
Renesas provides a recommended PCB layout guide in their application note (AP61101) for the 5PB1108CMGK8, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure reliable operation.
Renesas recommends a specific power sequencing scheme to ensure proper startup and operation of the device. This involves powering up the VCCIO and VCC cores in a specific order, with a minimum delay between them. Refer to the datasheet and application notes for detailed guidelines.
The 5PB1108CMGK8's built-in PLL has limitations on the input frequency range, output frequency range, and jitter tolerance. Engineers should consult the datasheet and application notes to understand these limitations and ensure the PLL is properly configured for their specific application.
Renesas provides guidelines for power optimization in their application notes, including techniques such as clock gating, voltage scaling, and dynamic voltage and frequency scaling (DVFS). Engineers can also use the device's power management features, such as the Power Management Controller (PMC), to optimize power consumption.
The 5PB1108CMGK8 has a maximum operating temperature of 125°C. Engineers should ensure proper thermal design, including heat sinks and thermal interfaces, to maintain a safe operating temperature. They should also consider the device's thermal derating and reliability characteristics when operating in high-temperature environments.
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5PB1108CMGK8 Overview
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