PCK3807APW,112 Equivalent & Substitute Parts

Part Overview

The PCK3807APW,112 is a Clock Fanout Buffer (Distribution) IC manufactured by NXP USA Inc., designed for 1:10 clock distribution at 400 MHz. This component features LVCMOS/LVTTL input with LVTTL output, operating across a supply voltage range of 2.3V to 3.6V and temperature range of -40°C to 85°C in a 20-TSSOP surface mount package.

The PCK3807APW,112 is classified as obsolete. Substitute parts are necessary to maintain design continuity and ensure long-term component availability for new production runs and system upgrades.

Key Parameters

Parameter	Value
Manufacturer	NXP USA Inc.
Part Number	PCK3807APW,112
Product Status	Obsolete
Type	Fanout Buffer (Distribution)
Ratio - Input:Output	1:10
Frequency - Max	400 MHz
Input Logic	LVCMOS, LVTTL
Output Logic	LVTTL
Voltage - Supply	2.3V ~ 3.6V
Operating Temperature	-40°C ~ 85°C
Package / Case	20-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the PCK3807APW,112 are grouped based on the following critical parameters that determine functional compatibility:

Primary Substitution Criteria:

Ratio - Input:Output: 1:10 (mandatory match)
Type: Fanout Buffer (Distribution) (mandatory match)
Number of Circuits: 1 (mandatory match)
Differential Input/Output: No/No (mandatory match)
Input Logic: LVTTL (compatible with original LVCMOS/LVTTL)
Output Logic: LVTTL (mandatory match)
Mounting Type: Surface Mount (mandatory match)
Operating Temperature: -40°C ~ 85°C (mandatory match)
RoHS Status: ROHS3 Compliant (mandatory match)

Secondary Considerations:

Frequency - Max: Substitute parts operate at 100 MHz or 166 MHz, both lower than the original 400 MHz specification. Selection depends on application frequency requirements.
Voltage - Supply: Substitute parts operate at 2.3V ~ 2.7V or 3V ~ 3.6V ranges, which overlap with the original specification.
Package / Case: Substitutes are available in 20-SSOP (0.209", 5.30mm Width) or 20-QSOP (0.154", 3.90mm Width) variants, differing from the original 20-TSSOP package.

All substitute parts are manufactured by Renesas Electronics Corporation and carry active product status with full RoHS3 compliance and MSL 1 rating.

Parameter Comparison

Parameter	PCK3807APW,112	74FCT20807PYGI	74FCT20807PYGI8	74FCT20807QGI	74FCT20807QGI8	74FCT3807APYG	74FCT3807APYG8	74FCT3807APYGI	74FCT3807APYGI8	74FCT3807AQG	74FCT3807AQG8
Manufacturer	NXP USA Inc.	Renesas	Renesas	Renesas	Renesas	Renesas	Renesas	Renesas	Renesas	Renesas	Renesas
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active
Type	Fanout Buffer	Fanout Buffer	Fanout Buffer	Fanout Buffer	Fanout Buffer	Fanout Buffer	Fanout Buffer	Fanout Buffer	Fanout Buffer	Fanout Buffer	Fanout Buffer
Ratio - Input:Output	1:10	1:10	1:10	1:10	1:10	1:10	1:10	1:10	1:10	1:10	1:10
Frequency - Max	400 MHz	166 MHz	166 MHz	166 MHz	166 MHz	100 MHz	100 MHz	100 MHz	100 MHz	100 MHz	100 MHz
Input Logic	LVCMOS, LVTTL	LVTTL	LVTTL	LVTTL	LVTTL	LVTTL	LVTTL	LVTTL	LVTTL	LVTTL	LVTTL
Output Logic	LVTTL	LVTTL	LVTTL	LVTTL	LVTTL	CMOS, TTL	CMOS, TTL	CMOS, TTL	CMOS, TTL	CMOS, TTL	CMOS, TTL
Voltage - Supply	2.3V ~ 3.6V	2.3V ~ 2.7V	2.3V ~ 2.7V	2.3V ~ 2.7V	2.3V ~ 2.7V	3V ~ 3.6V	3V ~ 3.6V	3V ~ 3.6V	3V ~ 3.6V	3V ~ 3.6V	3V ~ 3.6V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	0°C ~ 70°C	0°C ~ 70°C	-40°C ~ 85°C	-40°C ~ 85°C	0°C ~ 70°C	0°C ~ 70°C
Package / Case	20-TSSOP	20-SSOP	20-SSOP	20-QSOP	20-QSOP	20-SSOP	20-SSOP	20-SSOP	20-SSOP	20-QSOP	20-QSOP
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

All listed substitute parts are manufactured by Renesas Electronics Corporation with active product status, ensuring long-term availability and supply chain stability. All substitutes maintain ROHS3 compliance and MSL 1 rating, meeting environmental and moisture sensitivity requirements equivalent to the original PCK3807APW,112.

Frequency Consideration: The PCK3807APW,112 operates at 400 MHz maximum frequency. Substitute parts operate at either 166 MHz (74FCT20807 series) or 100 MHz (74FCT3807 series). Selection must be based on the actual clock frequency requirements of the application. If the application requires operation above 166 MHz, no direct substitute from the provided list is available.

Temperature Range Consideration: The 74FCT3807APYG, 74FCT3807APYG8, 74FCT3807AQG, and 74FCT3807AQG8 variants operate at 0°C to 70°C, which is narrower than the original -40°C to 85°C range. The 74FCT20807 series and 74FCT3807APYGI variants maintain the full -40°C to 85°C operating temperature range.

Package Consideration: Substitute parts are available in 20-SSOP or 20-QSOP packages, differing from the original 20-TSSOP package. PCB layout and footprint modifications are required for package substitution.

Supply Voltage Consideration: The 74FCT20807 series operates at 2.3V to 2.7V, while the 74FCT3807 series operates at 3V to 3.6V. Verify that the application power supply voltage aligns with the selected substitute part specification.

Frequently Asked Questions (FAQ)

Q: Can the 74FCT20807PYGI directly replace the PCK3807APW,112 without PCB modifications?

A: No. While the 74FCT20807PYGI maintains the same 1:10 fanout buffer functionality and operating temperature range, it uses a 20-SSOP package (0.209", 5.30mm Width) instead of the original 20-TSSOP package (0.173", 4.40mm Width). PCB footprint redesign is required. Additionally, the maximum frequency is 166 MHz compared to the original 400 MHz.

Q: What is the primary difference between the 74FCT20807 and 74FCT3807 series substitutes?

A: The 74FCT20807 series operates at a maximum frequency of 166 MHz with a supply voltage range of 2.3V to 2.7V. The 74FCT3807 series operates at a maximum frequency of 100 MHz with a supply voltage range of 3V to 3.6V. Selection depends on the application's frequency and power supply requirements.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts from Renesas Electronics Corporation are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the environmental compliance of the original PCK3807APW,112.

Q: What is the difference between tube and tape & reel packaging options?

A: Tube packaging (e.g., 74FCT20807PYGI) is suitable for lower-volume applications and manual assembly. Tape & Reel packaging (e.g., 74FCT20807PYGI8) is designed for automated pick-and-place assembly in high-volume production. Both packaging formats contain identical components; the difference is in handling and assembly methodology.

Q: Can I use a 74FCT3807APYG variant if my application operates at -40°C?

A: No. The 74FCT3807APYG and 74FCT3807AQG variants operate at 0°C to 70°C and are not rated for -40°C operation. Use the 74FCT3807APYGI or 74FCT3807APYGI8 variants, which maintain the -40°C to 85°C operating temperature range.

Q: What is the significance of the "I" suffix in part numbers like 74FCT3807APYGI?

A: The "I" suffix indicates the extended operating temperature range of -40°C to 85°C. Parts without the "I" suffix (e.g., 74FCT3807APYG) operate at the commercial temperature range of 0°C to 70°C.

Q: If my application requires 400 MHz operation, are there substitutes available?

A: No substitutes from the provided list support 400 MHz operation. The highest frequency available is 166 MHz (74FCT20807 series). For applications requiring 400 MHz clock distribution, alternative component families must be evaluated outside this substitution list.

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