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Product Detailed Parameters
- Description：IC CLK BUFFER 1:5 166MHZ 20SSOP
- Series：49FCT
- Package：Tape & Reel (TR)
- Mfr：Renesas Electronics Corporation
- Type：Fanout Buffer (Distribution)
- Number of Circuits：2
- Ratio - Input:Output：1:05
- Differential - Input:Output：No/No
- Input：CMOS, LVTTL
- Output：CMOS, LVTTL
- Frequency - Max：166 MHz
- Voltage - Supply：2.3V ~ 2.7V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：20-SSOP (0.209", 5.30mm Width)
- Supplier Device Package：20-SSOP
- Grade：-
- Qualification：-
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Overview
The 49FCT20805PYGI8 is a dual 1:5 clock driver and distribution buffer manufactured by Renesas Electronics. It operates on a single 2.3V to 2.7V supply voltage and supports CMOS and LVTTL input/output logic levels. The device features two independent driver banks, each providing a 1:5 fanout with a maximum operating frequency of 166 MHz. Packaged in a 20-SSOP (5.30mm wide) surface-mount format, it functions within an industrial temperature range of -40°C to +85°C. This component is designed for high-speed clock distribution applications requiring low skew and signal integrity.
Feature Summary
- Dual 1:5 fanout configuration with independent output enable controls
- Maximum operating frequency of 166 MHz
- Operates on a single 2.3V to 2.7V power supply
- Supports CMOS and LVTTL input and output logic levels
Applications
- High-speed clock distribution networks
- Address bus distribution systems
- Point-to-point transmission line driving
Procurement Notes
The manufacturer lists the 49FCT20805PYGI as End-of-Life (EOL). Verification of the specific '8' suffix variant status is required, as official documentation primarily references the tube-packaged part. Confirm current production availability and lead times directly with Renesas or authorized distributors before design finalization.
Selection Notes
Select this component for designs requiring dual 1:5 clock buffering at frequencies up to 166 MHz. Ensure the system power rail strictly adheres to the 2.3V–2.7V specification. Verify that the PCB layout accommodates the 20-SSOP package dimensions. Check if the LVTTL/CMOS compatibility meets the interface requirements of the receiving devices.
Part Context
This part belongs to the 49FCT series of fast CMOS clock drivers. It is functionally similar to the IDT49FCT20805. The '8' suffix typically indicates tape-and-reel packaging, whereas the base model often refers to tube packaging. Both variants share identical electrical characteristics and pinouts.
Replacement Considerations
- 5PB1106PGGI
FAQ
What is the maximum operating frequency of the 49FCT20805PYGI8?
The maximum operating frequency is 166 MHz.
Does the device support differential inputs or outputs?
No, the device does not support differential inputs or outputs; it uses single-ended CMOS/LVTTL signaling.
What is the recommended supply voltage range?
The device requires a single supply voltage between 2.3V and 2.7V.
