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

Microchip Technology PL133-27GI

Name: PL133-27GI
Brand: Microchip Technology
SKU: PL133-27GI
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: PL133-27GI

Manufacturer:: Microchip Technology

Category:: Clock Buffers, Drivers

Package:: 6-UFDFN Exposed Pad

Datasheet:: PL133-27GI.pdf

Description:: IC CLK BUFFER 1:2 150MHZ 6DFN

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Product details

Overview

PL133-27GI from Microchip Technology is a low-power, 1:2 inverting fanout buffer IC designed for high-performance clock distribution in space-constrained systems. It accepts LVCMOS or sine-wave input clocks from 1 MHz to 150 MHz (up to 65 MHz at 1.8V), delivers two inverted LVCMOS outputs with 8 mA drive strength, and operates across –40°C to +85°C on a single 1.62–3.63V supply - used in FPGA clock trees and industrial microcontroller timing subsystems.

For engineers reviewing the PL133-27GI datasheet, PL133-27GI pinout, PL133-27GI application, or PL133-27GI equivalent, key selection criteria include additive phase jitter (130 fs typical at 26 MHz), output-to-output skew (≤500 ps), dual-output inversion, TDFN-6L package footprint (2.0 mm × 1.3 mm), and support for mixed-voltage system interfacing (1.8V/2.5V/3.3V).

Technical Context

The PL133-27GI implements an internally AC-coupled input stage compatible with both digital LVCMOS and analog sine-wave reference clocks, eliminating external coupling capacitors. Its fully differential internal path ensures matched propagation delay between CLK0 and CLK1 outputs, enabling precise phase-aligned fanout despite inversion.

It uses a low-noise, rail-to-rail output stage optimized for sub-1 ps additive jitter performance and supports dynamic output enable (OE) control for power-gated clock domains. The device's 1.62–3.63V operating range allows seamless integration into modern mixed-supply SoC interfaces without level-shifting.

Key Specifications

Parameter	Value and Actual Design Meaning
Input Frequency Range	1–150 MHz (1–65 MHz at 1.8V): Enables use with crystal oscillators, PLL outputs, or MCU-generated clocks across consumer and industrial frequency bands.
Additive Phase Jitter	130 fs typical (12 kHz–5 MHz offset, 26 MHz input): Critical for maintaining signal integrity in high-speed SerDes and ADC sampling clock chains.
Output Drive Strength	8 mA (VOL ≤ 0.4 V, VOH ≥ 2.4 V @ 3.3V): Sufficient to drive two 50 Ω transmission lines or multiple CMOS inputs without external buffers.
Supply Voltage Range	1.62–3.63 V (±10% tolerance): Supports direct connection to 1.8V, 2.5V, and 3.3V rails without regulators or LDOs.
Operating Temperature	–40°C to +85°C: Qualified for industrial-grade embedded control, motor drives, and network edge equipment.
Output-to-Output Skew	≤500 ps: Ensures deterministic timing margin between synchronized downstream logic blocks.
Dynamic Supply Current	0.8 mA typical @ 1.8V/25 MHz: Reduces thermal load and enables battery-backed or energy-sensitive applications.

Pinout & Package

PL133-27GI is housed in a RoHS-compliant, lead-free 6-lead TDFN package measuring 2.0 mm × 1.3 mm × 0.6 mm, optimized for high-density PCB layouts and thermal efficiency in compact modules.

Pin/Terminal	Circuit Role	Design Meaning
1 - FIN	Reference clock input	AC-coupled input accepting LVCMOS or sine-wave signals; no external capacitor required.
2 - CLK1	Inverted clock output	LVCMOS output, phase-inverted relative to FIN; matches CLK0 timing within 500 ps skew.
3 - GND	Ground reference	Dedicated ground terminal for noise isolation; must be connected to low-impedance PCB plane.
4 - CLK0	Inverted clock output	LVCMOS output, phase-inverted relative to FIN; electrically identical to CLK1 for balanced fanout.
5 - VDD	Power supply	Single supply pin supporting 1.62–3.63V; requires local 0.1 µF decoupling per layout guidelines.
6 - OE	Output enable control	Active-low input disabling both CLK0 and CLK1 simultaneously; enables dynamic clock gating.

Key Features

Feature	Design Value
Two LVCMOS outputs	Provides synchronous, inverted clock replication for dual-path logic or redundant timing domains without external inverters.
Extremely low additive jitter	130 fs typical preserves timing margin in high-resolution ADCs, PCIe Gen3+ reference paths, and RF sampling systems.
Single-supply multi-voltage operation	Eliminates level shifters when interfacing 1.8V FPGAs with 3.3V peripherals or legacy controllers.
Internally AC-coupled input	Removes need for external DC-blocking capacitors, reducing BOM count and board area in cost-sensitive designs.
Industrial temperature range	Validated operation from –40°C to +85°C ensures reliability in factory automation, outdoor gateways, and motor control enclosures.

Applications

FPGA Clock Distribution	Industrial PLC Timing Module
Use Scenario: Distributing a master oscillator signal to multiple FPGA banks requiring phase-coherent, inverted clock edges. IC Role / Device Role / Timing Role: 1:2 inverting fanout buffer providing matched-delay, low-jitter copies of the reference clock to separate I/O banks. Use Value: Maintains <500 ps inter-output skew and 130 fs additive jitter to meet setup/hold timing across high-speed transceivers and memory interfaces.	Use Scenario: Generating synchronized clock signals for real-time I/O scanning and motion control loops in programmable logic controllers. IC Role / Device Role / Timing Role: Low-power clock repeater driving isolated timer peripherals and encoder interfaces under wide ambient temperature swings. Use Value: Delivers stable 1.8V/3.3V-compatible outputs across –40°C to +85°C with <0.8 mA dynamic current, minimizing thermal drift in sealed enclosures.
Medical Imaging Data Acquisition	Automotive ADAS Sensor Hub
Use Scenario: Providing time-aligned sampling clocks to parallel ADC channels in ultrasound or MRI front-end modules. IC Role / Device Role / Timing Role: Jitter-critical fanout buffer ensuring sub-picosecond phase coherence between digitizer channels. Use Value: 130 fs additive jitter directly improves effective number of bits (ENOB) in multi-channel synchronized acquisition systems.	Use Scenario: Routing camera and radar sensor reference clocks in centralized automotive domain controllers with strict EMI and thermal constraints. IC Role / Device Role / Timing Role: Space-optimized clock repeater enabling compact sensor hub PCBs while meeting AEC-Q200-relevant robustness via industrial temp grade. Use Value: 2.0 mm × 1.3 mm TDFN package reduces board area by >60% vs. SOIC alternatives, supporting high-channel-count ADAS integration.

FPGA Clock Distribution

Industrial PLC Timing Module

Use Scenario: Distributing a master oscillator signal to multiple FPGA banks requiring phase-coherent, inverted clock edges.

IC Role / Device Role / Timing Role: 1:2 inverting fanout buffer providing matched-delay, low-jitter copies of the reference clock to separate I/O banks.

Use Value: Maintains <500 ps inter-output skew and 130 fs additive jitter to meet setup/hold timing across high-speed transceivers and memory interfaces.

Use Scenario: Generating synchronized clock signals for real-time I/O scanning and motion control loops in programmable logic controllers.

IC Role / Device Role / Timing Role: Low-power clock repeater driving isolated timer peripherals and encoder interfaces under wide ambient temperature swings.

Use Value: Delivers stable 1.8V/3.3V-compatible outputs across –40°C to +85°C with <0.8 mA dynamic current, minimizing thermal drift in sealed enclosures.

Medical Imaging Data Acquisition

Automotive ADAS Sensor Hub

Use Scenario: Providing time-aligned sampling clocks to parallel ADC channels in ultrasound or MRI front-end modules.

IC Role / Device Role / Timing Role: Jitter-critical fanout buffer ensuring sub-picosecond phase coherence between digitizer channels.

Use Value: 130 fs additive jitter directly improves effective number of bits (ENOB) in multi-channel synchronized acquisition systems.

Use Scenario: Routing camera and radar sensor reference clocks in centralized automotive domain controllers with strict EMI and thermal constraints.

IC Role / Device Role / Timing Role: Space-optimized clock repeater enabling compact sensor hub PCBs while meeting AEC-Q200-relevant robustness via industrial temp grade.

Use Value: 2.0 mm × 1.3 mm TDFN package reduces board area by >60% vs. SOIC alternatives, supporting high-channel-count ADAS integration.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
ICS853S01I	Non-inverting output polarity; higher 12 mA drive; wider 1.71–3.63V supply range.	Requires external inverter if system demands inverted outputs; better suited for high-capacitance loads.	Select when non-inverted fanout and stronger drive are needed; verify layout compatibility with larger 3 mm × 3 mm SOIC package.
PI6C20400LEX	4-output, non-inverting buffer; 1.8V-only supply; 150 fs typical additive jitter at 100 MHz.	Higher channel count but lacks OE control and industrial temperature rating (0°C to +70°C only).	Choose for multi-sink fanout where inversion is unnecessary and ambient temperature stays within commercial range.

Compared with ICS853S01I and PI6C20400LEX, PL133-27GI uniquely combines inverting outputs, ultra-low jitter (130 fs), industrial temperature support, and minimal 2.0 mm × 1.3 mm footprint - making it optimal for space- and phase-noise-constrained dual-clock systems.

Availability

PL133-27GI is available at Aetrix Electronics and suitable for FPGA clock distribution, industrial PLC timing modules, medical imaging data acquisition, and automotive ADAS sensor hubs requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant packaging.

Supply support for PL133-27GI 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

Microchip Technology Inc. is a leading provider of microcontrollers, analog devices, and timing solutions, headquartered in Chandler, Arizona, with global design and manufacturing operations.

The PL133-27GI belongs to Microchip's PL-series low-power clock buffer family, engineered specifically for high-fidelity, space-efficient clock distribution in industrial, medical, and communications infrastructure equipment.

FAQ

What is the maximum input frequency supported by the PL133-27GI at 1.8V operation?

The PL133-27GI supports up to 65 MHz input frequency when powered at 1.8V, as specified in the AC Electrical Characteristics table of DS20006429A. This limitation reflects internal timing margins at lower supply voltages and remains consistent across all PL133-27GI units regardless of ambient temperature or output loading conditions. PL133-27GI maintains full functionality-including OE control and jitter performance-within this 1.8V/65 MHz operating point.

Does the PL133-27GI require external AC-coupling capacitors on its FIN input?

No, the PL133-27GI features an internally AC-coupled FIN input, explicitly documented in the General Description and Pin Descriptions sections of DS20006429A. This eliminates the need for external series capacitors whether driven by LVCMOS or sine-wave sources. PL133-27GI's internal coupling ensures reliable DC biasing across voltage and temperature ranges without added BOM cost or PCB area.

What is the guaranteed output-to-output skew specification for PL133-27GI?

The PL133-27GI guarantees ≤500 ps output-to-output skew between CLK0 and CLK1 under all operating conditions, as stated in the AC Electrical Characteristics table. This parameter is measured across voltage (1.62–3.63V), temperature (–40°C to +85°C), and frequency (1–150 MHz) ranges. PL133-27GI achieves this via matched internal routing and symmetrical output driver design, critical for timing-critical dual-path systems.

Can the PL133-27GI operate with a 2.5V supply and still deliver full 8 mA output drive?

Yes, the PL133-27GI delivers full 8 mA output drive capability at 2.5V supply, confirmed by the "Output Current" row in the DC Electrical Characteristics table (IOSD = 8 mA, VDD = 2.5V). VOL and VOH limits remain compliant (≤0.4 V and ≥2.4 V respectively) under this condition, ensuring robust interfacing with standard 2.5V CMOS logic families. PL133-27GI maintains this drive strength across its entire industrial temperature range.

Is the PL133-27GI pin-compatible with other members of the PL133 family such as PL133-27GC?

Yes, PL133-27GI shares identical pinout, package (TDFN-6L), and electrical interface with PL133-27GC and PL133-27G; only the temperature grade differs (–40°C to +85°C vs. 0°C to +70°C). All share the same FIN/CLK0/GND/CLK1/VDD/OE arrangement and functional behavior. PL133-27GI can be substituted for PL133-27GC in existing designs without PCB changes, provided thermal validation confirms operation at extended temperatures.

PL133-27GI Specifications

Product attributes: Attribute value

Manufacturer:: Microchip Technology

Series:: -

Package/Case:: 6-UFDFN Exposed Pad

Packaging:: Bag

Product Status:: Active

Type:: Fanout Buffer (Distribution)

Number of Circuits:: 1

Ratio - Input:Output:: 1:2

Differential - Input:Output:: No/No

Input:: LVCMOS, Sine Wave

Output:: LVCMOS

Frequency - Max:: 150 MHz

Voltage - Supply:: 1.62V ~ 3.63V

Operating Temperature:: -40°C ~ 85°C

Mounting Type:: Surface Mount

Grade:: -

Qualification:: -

Supplier Device Package:: 6-DFN (2x1.3)

PL133-27GI FAQ

1.How can I place an order for PL133-27GI through Aetrix?

Please submit a Request for Quotation (RFQ) for PL133-27GI 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 PL133-27GI reliable?

The price and inventory of PL133-27GI are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PL133-27GI is usually 5 days.

3.What payment methods are accepted for PL133-27GI?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PL133-27GI transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for PL133-27GI?

PL133-27GI orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your PL133-27GI 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 PL133-27GI?

For technical support, including PL133-27GI datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PL133-27GI requirements.

6.How does Aetrix verify that PL133-27GI is sourced from the original manufacturer or authorized distributors?

All PL133-27GI 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 PL133-27GI meets industry standards.

7.What is the process for return or replacement of PL133-27GI?

All PL133-27GI units undergo pre-shipment inspection (PSI). If there is an issue with PL133-27GI, 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 PL133-27GI part is unused and in its original packaging.

Return procedure for PL133-27GI:

1.Submit a request within 90 days.

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

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