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Home > Products > Integrated Circuits (ICs) > Clock/Timing > Clock Buffers, Drivers

Renesas 552-02SPGGI8

Name: 552-02SPGGI8
Brand: Renesas
SKU: 552-02SPGGI8
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 552-02SPGGI8

Manufacturer:: Renesas

Category:: Clock Buffers, Drivers

Package:: 16-TSSOP (0.173", 4.40mm Width)

Datasheet:: 552-02SPGGI8.pdf

Description:: IC CLK BUFFER 2:8 200MHZ 16TSSOP

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Product details

Overview

The 552-02SPGGI8 from Renesas Electronics is a low-skew, dual-input clock multiplexer and 1-to-8 fanout buffer designed for high-precision timing distribution in synchronous digital systems. It supports up to 200 MHz input/output frequency, delivers sub-50 fs RMS additive phase jitter (typical), and achieves ≤65 ps output-to-output skew with 1.8–3.3 V supply operation across –40°C to +105°C.

For engineers reviewing the 552-02SPGGI8 datasheet, 552-02SPGGI8 pinout, 552-02SPGGI8 application, or 552-02SPGGI8 equivalent, key selection criteria include its dual-clock source select via SELA, OE-controlled output tri-state capability, 3.3 V tolerant inputs, and support for TSSOP-16 packaging with extended temperature range.

Technical Context

The 552-02SPGGI8 integrates a 2:1 input multiplexer feeding an 8-output low-skew buffer without PLL circuitry-making it a pure fanout device optimized for jitter minimization rather than frequency synthesis. Its architecture uses CMOS-based clock distribution with internal pull-up resistors on OE and SELA pins, enabling simple control without external biasing.

It operates across three voltage rails (1.8 V, 2.5 V, 3.3 V) with rail-to-rail input compatibility and 3.3 V tolerant clock inputs (INA/INB). Output drive strength scales with VDD: 10 mA at 1.8 V, 16 mA at 2.5 V, and 25 mA at 3.3 V, supporting matched termination for skew-critical layouts.

Key Specifications

Parameter	Value and Actual Design Meaning
Additive Phase Jitter	50 fs RMS (125 MHz, 12 kHz–20 MHz integration) - enables ultra-low jitter clock tree extension in SerDes and high-speed ADC/DAC systems
Output-to-Output Skew	≤65 ps (rising edges at VDD/2, equal loading) - ensures deterministic timing alignment across all eight outputs
Max Input/Output Frequency	200 MHz - supports PCIe Gen2, DDR2/3 memory clocks, and Gigabit Ethernet reference timing
Supply Voltage Range	1.71–3.465 V - compatible with 1.8 V, 2.5 V, and 3.3 V logic domains without level shifters
Operating Temperature	–40°C to +105°C - qualified for industrial and automotive under-hood applications
Input Tolerance	3.3 V tolerant INA/INB - allows interfacing with higher-voltage clock sources while powered at 1.8 V
Propagation Delay	2.0–3.5 ns (135 MHz) - provides predictable, low-latency clock forwarding with minimal delay variation

Pinout & Package

552-02SPGGI8 is packaged in a 16-pin TSSOP (PGG) with 0.65 mm pitch, 4.4 mm body width, and RoHS-compliant Pb-free finish. Pin layout supports compact PCB routing and thermal performance suitable for high-density timing modules.

Pin/Terminal	Circuit Role	Design Meaning
OE (Pin 1)	Active-Low Output Enable	Tri-states all eight Q0–Q7 outputs when low; internal pull-up eliminates need for external resistor
VDD (Pins 2, 15)	Power Supply	Dual VDD pins reduce supply impedance and improve PSRR; must be tied to same voltage rail
Q0–Q7 (Pins 3–6, 11–14)	Clock Outputs	Eight identical CMOS outputs with matched drive strength and edge rates for skew-sensitive fanout
GND (Pins 7, 10)	Ground Reference	Dual ground pins minimize return path inductance and suppress ground bounce across outputs
INA / INB (Pins 9, 8)	Primary/Secondary Clock Inputs	3.3 V tolerant differential-capable inputs; selected by SELA; rail-to-rail compatible
SELA (Pin 16)	Mux Select Control	High = INA active, Low = INB active; internal pull-up enables default INA selection on power-up

Key Features

Feature	Design Value
Low RMS Additive Phase Jitter	50 fs typical - preserves signal integrity in jitter-sensitive interfaces like JESD204B and CPRI
Output Enable with Internal Pull-up	OE pin tri-states all outputs without external components - simplifies power sequencing and dynamic clock gating
Dual-Voltage Compatible I/O	3.3 V tolerant inputs + 1.8–3.3 V supply - enables mixed-voltage system integration without translators
Matched Output Drive & Timing	Identical rise/fall times (≤1.0 ns @ 3.3 V) and propagation delay matching - essential for synchronous multi-lane data capture
Extended Temperature Operation	–40°C to +105°C ambient - validated for industrial automation controllers and base station timing modules

Applications

PCIe Gen2 Root Complex Clock Distribution	DDR3 Memory Subsystem Timing
Use Scenario: Distributing a 100 MHz reference clock to multiple PCIe endpoint devices on a server motherboard with strict skew and jitter requirements. IC Role / Device Role / Timing Role: Fanout buffer with input multiplexing to switch between primary and backup clock sources during failover. Use Value: ≤65 ps output skew and 50 fs additive jitter ensure PCIe receiver margin compliance across eight lanes without additional retiming.	Use Scenario: Driving clock signals to DDR3 SDRAM chips and memory controller PHYs in telecom baseband units requiring simultaneous access timing. IC Role / Device Role / Timing Role: Low-skew 1:8 clock repeater with OE-controlled gating to enable memory power-down modes. Use Value: Matched output delays and rail-to-rail input compatibility allow direct interface with 1.5 V DDR3 clock inputs while powered at 1.8 V.
Gigabit Ethernet PHY Reference Clocking	Industrial PLC Real-Time Synchronization
Use Scenario: Providing synchronized 125 MHz clocks to multiple Ethernet PHYs in a managed switch ASIC design with EMI-sensitive layout constraints. IC Role / Device Role / Timing Role: Dual-input mux buffer enabling seamless switchover between master clock and recovered line clock. Use Value: 3.3 V tolerant inputs accept line-recovered clocks directly; low power consumption (55 mA max @ 3.3 V) reduces thermal load in dense port modules.	Use Scenario: Distributing time-triggered synchronization pulses across I/O modules in a modular PLC rack with distributed timing architecture. IC Role / Device Role / Timing Role: High-reliability clock fanout device operating continuously at +105°C ambient in control cabinet environments. Use Value: Extended temperature qualification and dual GND/VDD pins ensure stable skew performance despite thermal gradients across PCB.

PCIe Gen2 Root Complex Clock Distribution

DDR3 Memory Subsystem Timing

Use Scenario: Distributing a 100 MHz reference clock to multiple PCIe endpoint devices on a server motherboard with strict skew and jitter requirements.

IC Role / Device Role / Timing Role: Fanout buffer with input multiplexing to switch between primary and backup clock sources during failover.

Use Value: ≤65 ps output skew and 50 fs additive jitter ensure PCIe receiver margin compliance across eight lanes without additional retiming.

Use Scenario: Driving clock signals to DDR3 SDRAM chips and memory controller PHYs in telecom baseband units requiring simultaneous access timing.

IC Role / Device Role / Timing Role: Low-skew 1:8 clock repeater with OE-controlled gating to enable memory power-down modes.

Use Value: Matched output delays and rail-to-rail input compatibility allow direct interface with 1.5 V DDR3 clock inputs while powered at 1.8 V.

Gigabit Ethernet PHY Reference Clocking

Industrial PLC Real-Time Synchronization

Use Scenario: Providing synchronized 125 MHz clocks to multiple Ethernet PHYs in a managed switch ASIC design with EMI-sensitive layout constraints.

IC Role / Device Role / Timing Role: Dual-input mux buffer enabling seamless switchover between master clock and recovered line clock.

Use Value: 3.3 V tolerant inputs accept line-recovered clocks directly; low power consumption (55 mA max @ 3.3 V) reduces thermal load in dense port modules.

Use Scenario: Distributing time-triggered synchronization pulses across I/O modules in a modular PLC rack with distributed timing architecture.

IC Role / Device Role / Timing Role: High-reliability clock fanout device operating continuously at +105°C ambient in control cabinet environments.

Use Value: Extended temperature qualification and dual GND/VDD pins ensure stable skew performance despite thermal gradients across PCB.

Equivalent & Alternatives

The following parts are listed as comparable options for similar clock buffer applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
ICS552-02TGI	Same function and pinout; offered by IDT (now part of Renesas); identical AC/DC specs but older revision with higher min jitter (65 fs typ)	Legacy design-in with existing IDT footprint; no layout change required	Select when maintaining legacy BOMs or sourcing from IDT-distributed inventory
PI6C557-03LEX	8-output LVCMOS buffer with 2:1 mux; 75 fs jitter (typ), 100 ps skew, supports 250 MHz max frequency; different pinout and no internal pull-ups on control pins	Higher-frequency requirement (>200 MHz) or need for lower-cost alternative where jitter margin allows	Select when frequency headroom or cost sensitivity outweighs ultra-low-jitter requirement

Compared with ICS552-02TGI and PI6C557-03LEX, the 552-02SPGGI8 offers the lowest additive phase jitter (50 fs) and tightest skew control (≤65 ps), making it optimal for jitter-critical SerDes and memory subsystems where timing margin is constrained.

Availability

552-02SPGGI8 is available at Aetrix Electronics and suitable for PCIe Gen2 clock trees, DDR3 memory subsystems, Gigabit Ethernet PHY timing, and industrial PLC synchronization requiring stable component supply across extended temperature ranges.

Supply support for 552-02SPGGI8 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Renesas Electronics Corporation is a global semiconductor leader delivering microcontrollers, analog, power, and timing solutions for automotive, industrial, infrastructure, and IoT applications.

The 552-02SPGGI8 belongs to Renesas' low-skew clock buffer family, engineered specifically for high-fidelity clock distribution in jitter-sensitive communication and memory systems where deterministic timing alignment is critical.

FAQ

What is the maximum input clock frequency supported by the 552-02SPGGI8?

The 552-02SPGGI8 supports input clock frequencies up to 200 MHz across all supply voltages (1.8 V, 2.5 V, and 3.3 V). This specification is verified per AC Electrical Characteristics in the official Renesas datasheet dated April 9, 2024, and applies to both INA and INB inputs under recommended operating conditions.

Does the 552-02SPGGI8 require external pull-up resistors on OE or SELA pins?

No, the 552-02SPGGI8 includes internal pull-up resistors on both OE and SELA pins. This eliminates the need for external components, simplifying board design and ensuring defined logic states during power-up. The internal pull-up guarantees default INA selection and enabled outputs unless actively overridden.

Can the 552-02SPGGI8 operate at 1.8 V while accepting 3.3 V clock inputs?

Yes, the 552-02SPGGI8 supports 3.3 V tolerant inputs (INA and INB) while operating from a 1.8 V supply. This rail-to-rail input compatibility allows direct connection to higher-voltage clock sources without level-shifting circuitry, reducing component count and signal integrity risk in mixed-voltage systems.

What package type is used for the 552-02SPGGI8?

The 552-02SPGGI8 uses a 16-pin TSSOP (Thin Shrink Small Outline Package) with 4.4 mm body width and Pb-free, RoHS-compliant finish. The "PGGI" suffix in the part number explicitly denotes this TSSOP package, and the "8" indicates tape-and-reel packaging format.

How does the 552-02SPGGI8 manage output skew across all eight channels?

The 552-02SPGGI8 achieves ≤65 ps output-to-output skew by matching internal path delays and driving identical loads. To maintain this performance, Renesas specifies that all eight outputs must use identical trace geometries, terminations (e.g., 33 Ω series resistors), and capacitive loads. Deviations degrade measured skew, as confirmed in the Application section of the datasheet.

552-02SPGGI8 Specifications

Product attributes: Attribute value

Manufacturer:: Renesas

Series:: -

Package/Case:: 16-TSSOP (0.173", 4.40mm Width)

Packaging:: Tape & Reel (TR)

Product Status:: Active

Type:: Clock Buffer

Number of Circuits:: 1

Ratio - Input:Output:: 2:8

Differential - Input:Output:: No/No

Input:: LVCMOS

Output:: LVCMOS

Frequency - Max:: 200 MHz

Voltage - Supply:: 1.71V ~ 1.89V, 2.375V ~ 2.625V, 3.135V ~ 3.465V

Operating Temperature:: -40°C ~ 105°C (TA)

Mounting Type:: Surface Mount

Grade:: -

Qualification:: -

Supplier Device Package:: 16-TSSOP

552-02SPGGI8 FAQ

1.How can I place an order for 552-02SPGGI8 through Aetrix?

Please submit a Request for Quotation (RFQ) for 552-02SPGGI8 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for 552-02SPGGI8 reliable?

The price and inventory of 552-02SPGGI8 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 552-02SPGGI8 is usually 5 days.

3.What payment methods are accepted for 552-02SPGGI8?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 552-02SPGGI8 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 552-02SPGGI8?

552-02SPGGI8 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 552-02SPGGI8 order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for 552-02SPGGI8?

For technical support, including 552-02SPGGI8 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 552-02SPGGI8 requirements.

6.How does Aetrix verify that 552-02SPGGI8 is sourced from the original manufacturer or authorized distributors?

All 552-02SPGGI8 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that 552-02SPGGI8 meets industry standards.

7.What is the process for return or replacement of 552-02SPGGI8?

All 552-02SPGGI8 units undergo pre-shipment inspection (PSI). If there is an issue with 552-02SPGGI8, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The 552-02SPGGI8 part is unused and in its original packaging.

Return procedure for 552-02SPGGI8:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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