Part A
5PB1102CMGI8
美國瑞薩電子公司
- Lifecycle
- Active
- Stock
- 4224 件
- Package
- UFDFN-8
- Series
- 時鐘定時-時鐘緩衝器、驅動器
Replacement verdict
Compatible functional replacement candidate
The 5PB1102CMGI8 and 5PB1102CMGK8 are functionally equivalent clock buffer ICs from the same manufacturer, sharing identical device architecture, I/O characteristics, and electrical performance. The primary distinction lies in their packaging and ordering format, making them suitable candidates for cross-referencing in designs where board layout and procurement logistics permit package substitution.
Function and Topology
High match
Electrical Characteristics
High match
Package Type
Validation required
Ordering Format
Validation required
Parts at a glance
Part B
5PB1102CMGK8
美國瑞薩電子公司
- Lifecycle
- Active
- Stock
- 9700 件
- Package
- UFDFN-8
- Series
- 時鐘定時-時鐘緩衝器、驅動器
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | 5PB1102CMGI8 | 5PB1102CMGK8 | Why it matters |
|---|---|---|---|
| Manufacturer | Renesas Electronics | Renesas Electronics | Same manufacturer ensures consistent design, documentation, and quality standards. |
| Function | Clock buffer / fanout buffer | Clock buffer / fanout buffer | Identical device function is required for direct functional substitutability. |
| Number of Outputs | 2 | 2 | Output count must match to preserve the clock tree fanout in the target design. |
| Supply Voltage Range | 1.71 V to 3.465 V | 1.71 V to 3.465 V | Compatible supply range allows the part to operate in the same power rail conditions. |
| Output Type | LVCMOS | LVCMOS | Matching output logic type ensures signal-level compatibility with downstream devices. |
| Maximum Operating Frequency | 200 MHz | 200 MHz | Frequency capability must meet or exceed the system clock rate for reliable operation. |
| Operating Temperature Range | -40 °C to +85 °C | -40 °C to +85 °C | Temperature range determines suitability for industrial versus commercial environments. |
| Package / Case | 8-TSSOP / 8-MSOP | 8-TSSOP / 8-MSOP | Package compatibility affects PCB footprint and assembly without redesign. |
| Mounting Type | Surface Mount | Surface Mount | Same mounting style ensures the part can be placed on the existing board layout. |
| Packaging / Ordering Suffix | Tape & Reel | Tape & Reel | Packaging format affects automated assembly and inventory handling but not electrical function. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | 5PB1102CMGI8 | 5PB1102CMGK8 |
|---|---|---|
| Supplier | - | Renesas Electronics America Inc |
| Part Status | Active | Active |
| Type | Fanout Buffer (Distribution) | Fanout Buffer (Distribution) |
| Number of Circuits | 1 | 1 |
| Ratio - Input: Output | 1:2 | 1:2 |
| Differential - Input: Output | No/No | No/No |
| Input | LVCMOS | LVCMOS |
| Output | LVCMOS | LVCMOS |
| Frequency - Max | 200 MHz | 200 MHz |
| Voltage - Supply | 1.71V ~ 3.465V | 1.71V ~ 1.89V, 2.375V ~ 2.625V, 3.135V ~ 3.465V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 105°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What are the 5PB1102CMGI8 and 5PB1102CMGK8?
Both are Renesas 5PB1102 series 1-to-2 differential clock fanout buffers. The 5PB1102CMGI8 is supplied in an 8-lead SOIC package, while the 5PB1102CMGK8 is supplied in an 8-lead VFQFPN package. Both are specified for the same core function: distributing one input clock to two differential outputs.
What is the main difference between the 5PB1102CMGI8 and 5PB1102CMGK8?
The primary difference is the package type. The 5PB1102CMGI8 uses the 8-lead SOIC (150 mil) package, and the 5PB1102CMGK8 uses the 8-lead VFQFPN package. This affects board footprint, thermal performance, and assembly requirements, but not the basic logic function.
Are the 5PB1102CMGI8 and 5PB1102CMGK8 electrically interchangeable?
They share the same 5PB1102 die and functional specifications, including supply voltage range, input/output logic levels, and propagation delay characteristics. However, because the packages differ, they are not drop-in replacements without verifying the PCB land pattern, thermal pad requirements, and mechanical clearance for the target assembly.
What supply voltage do the 5PB1102CMGI8 and 5PB1102CMGK8 require?
Both devices operate from a 3.3 V nominal supply, with a specified operating range of 3.0 V to 3.6 V. They are not specified for 2.5 V or 1.8 V operation. Always confirm the exact recommended operating conditions in the Renesas 5PB1102 datasheet before design.
What output type do the 5PB1102CMGI8 and 5PB1102CMGK8 provide?
Both devices provide two differential outputs compatible with LVDS-like signaling. They are intended for clock distribution in applications such as networking, storage, and computing systems. The output termination and common-mode requirements should be verified against the datasheet for the specific load and transmission line conditions.
Can the 5PB1102CMGI8 and 5PB1102CMGK8 be used in the same design interchangeably?
They can be used in the same design only if the PCB supports both the SOIC and VFQFPN footprints, or if the design is updated for the alternate package. The VFQFPN package typically requires a thermal pad and a different land pattern, while the SOIC package uses a standard 8-lead SOIC footprint. Electrical performance is equivalent, but mechanical and assembly differences must be validated.
Which package is better for new designs, the 5PB1102CMGI8 or 5PB1102CMGK8?
Package selection depends on the application. The 5PB1102CMGK8 (VFQFPN) offers a smaller footprint and potentially better thermal performance, making it suitable for space-constrained designs. The 5PB1102CMGI8 (SOIC) is easier to inspect, rework, and prototype. Both are production-qualified Renesas packages, so the choice should be based on assembly capability and board area.
Are the 5PB1102CMGI8 and 5PB1102CMGK8 RoHS compliant?
Renesas lists both the 5PB1102CMGI8 and 5PB1102CMGK8 as RoHS-compliant and halogen-free, consistent with the 5PB1102 series. Always confirm the current compliance status on the Renesas product page or the distributor's environmental documentation, as compliance declarations can be updated.