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Product attributes Property Value
Manufacturer Renesas Electronics Corporation
Product Series
Packaging Tube |
Type Zero Delay Buffer
PLL Yes with Bypass
Input LVTTL
Output CMOS, LVTTL
Number of Circuits 1
Ratio - Input:Output 1:9
Differential - Input:Output No/No
Frequency - Max 133MHz
Divider/Multiplier No/No
Voltage - Supply 2.3V ~ 2.7V
Operating Temperature 0°C ~ 70°C
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 16-SOIC (0.154", 3.90mm Width)
Supplier Device Package 16-SOIC
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Renesas 23S09T-1DCG is a high-performance Zero Delay Buffer designed for applications requiring precise clock alignment. It integrates a PLL with bypass mode, accepting an LVTTL input and providing CMOS and LVTTL outputs. With a single circuit supporting frequencies up to 133MHz, it is ideal for synchronizing multiple devices in computing, networking, and industrial systems. The 16-SOIC package ensures easy integration into space-constrained designs.

  • Zero Delay Alignment: Ensures output clocks are phase-matched to the input, reducing system timing errors.
  • Flexible PLL Bypass: Allows direct clock distribution when PLL is not needed, increasing design flexibility.
  • Dual Output Compatibility: Supports both CMOS and LVTTL logic levels, simplifying interface with various ICs.
  • Compact SOIC Package: Saves board space while providing robust thermal performance.

Zero-Delay Clock Alignment for High-Speed Digital Systems

The 23S09T-1DCG ensures output clocks are phase-aligned with the input reference, critical for synchronous digital systems like DDR memory interfaces and high-speed data converters.

PCIe and Peripheral Clock Distribution

With LVTTL inputs and CMOS/LVTTL outputs, this buffer can distribute clean, low-skew clocks to multiple peripherals, reducing signal integrity issues in dense PCB layouts.

Networking Switch Timing

In Ethernet switches, the zero-delay buffer aligns clocks for MAC and PHY devices, minimizing packet latency and ensuring reliable data transmission at 133MHz.

Industrial Automation Controllers

Provides synchronized clocking for PLCs and motion controllers, ensuring deterministic operation in noisy industrial environments.

Broadcast Video Synchronization

Aligns pixel and line clocks in video processing chains, preventing frame tearing and jitter in broadcast equipment.

FPGA Clock Deskewing

When used with an FPGA, the zero-delay buffer compensates for clock distribution delays, enabling higher performance and timing closure.

Q: What type of device is the 23S09T-1DCG?
A: It is a Zero Delay Buffer clock IC from Renesas.
Q: Does the 23S09T-1DCG support PLL?
A: Yes, it has a PLL with bypass capability.
Q: What are the input and output types?
A: Input is LVTTL; output is CMOS and LVTTL.
Q: How many circuits does it have?
A: It has 1 circuit.
Q: What is the maximum frequency?
A: The maximum frequency is 133MHz.
Q: What is the package and temperature range?
A: It comes in a 16-SOIC package and operates from 0°C to 70°C.
Base Product Number : 23S09T-1
1 Circuit 133MHz 16-SOIC Clock Generator CMOS LVTTL PLL Renesas Zero Delay Buffer
Q: What type of device is the 23S09T-1DCG?
A: It is a Zero Delay Buffer clock IC from Renesas.
Q: Does the 23S09T-1DCG support PLL?
A: Yes, it has a PLL with bypass capability.
Q: What are the input and output types?
A: Input is LVTTL; output is CMOS and LVTTL.
Q: How many circuits does it have?
A: It has 1 circuit.
Q: What is the maximum frequency?
A: The maximum frequency is 133MHz.
Q: What is the package and temperature range?
A: It comes in a 16-SOIC package and operates from 0°C to 70°C.