HCPL-063L-560 Equivalent & Substitute Parts

Part Overview

The HCPL-063L-560 is a logic output optoisolator manufactured by Broadcom Limited, featuring 3750Vrms isolation voltage, 2-channel open collector configuration with Schottky clamping, and 15MBd data rate capability. This component is discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active product lines. Substitute parts must maintain compatibility across isolation voltage, channel configuration, output type, and package form factor while meeting current RoHS and regulatory compliance requirements.

Key Parameters

Parameter	HCPL-063L-560
Manufacturer	Broadcom Limited
Number of Channels	2
Voltage - Isolation	3750Vrms
Output Type	Open Collector, Schottky Clamped
Current - Output / Channel	50 mA
Data Rate	15MBd
Common Mode Transient Immunity (Min)	10kV/µs
Propagation Delay tpLH / tpHL (Max)	75ns, 75ns
Voltage - Supply	2.7V ~ 3.6V, 4.5V ~ 5.5V
Operating Temperature	-40°C ~ 85°C
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Product Status	Discontinued at DiGi Electronics
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution logic for the HCPL-063L-560 is based on the following critical parameters:

Primary Compatibility Criteria:

Number of Channels: 2 (fixed requirement)
Voltage - Isolation: 3750Vrms (fixed requirement)
Output Type: Open Collector, Schottky Clamped (fixed requirement)
Package / Case: 8-SOIC (0.154", 3.90mm Width) (fixed requirement)
Mounting Type: Surface Mount (fixed requirement)

Secondary Compatibility Criteria (allowable variation):

Data Rate: 15MBd (main part) vs. 10Mbps (substitute parts) — lower data rate acceptable for non-time-critical applications
Current - Output / Channel: 50 mA (main part) vs. 15 mA (substitute parts) — lower output current acceptable if load requirements permit
Common Mode Transient Immunity: 10kV/µs (main part) vs. 5kV/µs or 25kV/µs (substitute parts) — variation acceptable based on circuit requirements
Voltage - Supply: 2.7V ~ 3.6V, 4.5V ~ 5.5V (main part) vs. 4.5V ~ 5.5V or 2.7V ~ 3.3V (substitute parts) — must match system supply voltage

Substitute Parts Identified:

Group 1 (Broadcom Direct Equivalent):

HCPL-063L-560E — identical electrical specifications, active product status, RoHS3 compliant

Group 2 (onsemi HCPL0638 Series — 3750Vrms, 10kV/µs CMTI):

HCPL0638 (Tube packaging)
HCPL0638R2 (Tape & Reel packaging)

Group 3 (onsemi HCPL0639 Series — 3750Vrms, 25kV/µs CMTI):

HCPL0639 (Tube packaging)
HCPL0639R2 (Tape & Reel packaging)

Group 4 (onsemi HCPL0637R2 — 3750Vrms, 5kV/µs CMTI):

HCPL0637R2 (Tape & Reel packaging)

Group 5 (onsemi HCPL062N Series — 2500Vrms isolation):

HCPL062N (Tube packaging)
HCPL062NR2 (Tape & Reel packaging)

Parameter Comparison

Parameter	HCPL-063L-560	HCPL-063L-560E	HCPL0638	HCPL0638R2	HCPL0639	HCPL0639R2	HCPL0637R2	HCPL062N	HCPL062NR2
Manufacturer	Broadcom	Broadcom	onsemi	onsemi	onsemi	onsemi	onsemi	onsemi	onsemi
Number of Channels	2	2	2	2	2	2	2	2	2
Voltage - Isolation	3750Vrms	3750Vrms	3750Vrms	3750Vrms	3750Vrms	3750Vrms	3750Vrms	2500Vrms	2500Vrms
Output Type	Open Collector, Schottky Clamped	Open Collector, Schottky Clamped	Open Collector, Schottky Clamped	Open Collector, Schottky Clamped	Open Collector, Schottky Clamped	Open Collector, Schottky Clamped	Open Collector, Schottky Clamped	Open Collector	Open Collector
Current - Output / Channel	50 mA	50 mA	15 mA	15 mA	15 mA	15 mA	15 mA	15 mA	15 mA
Data Rate	15MBd	15MBd	10Mbps	10Mbps	10Mbps	10Mbps	10Mbps	10Mbps	10Mbps
Common Mode Transient Immunity (Min)	10kV/µs	10kV/µs	10kV/µs	10kV/µs	25kV/µs	25kV/µs	5kV/µs	25kV/µs	25kV/µs
Propagation Delay tpLH / tpHL (Max)	75ns, 75ns	75ns, 75ns	75ns, 75ns	75ns, 75ns	75ns, 75ns	75ns, 75ns	75ns, 75ns	90ns, 75ns	90ns, 75ns
Voltage - Supply	2.7V ~ 3.6V, 4.5V ~ 5.5V	2.7V ~ 3.6V, 4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V	2.7V ~ 3.3V	2.7V ~ 3.3V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	RoHS non-compliant	RoHS3 Compliant	RoHS3 Compliant	RoHS3 Compliant	RoHS3 Compliant	RoHS3 Compliant	RoHS3 Compliant	RoHS3 Compliant	RoHS3 Compliant
Product Status	Discontinued	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Tier 1 — Direct Replacement (Recommended): HCPL-063L-560E is the primary substitute. This part maintains identical electrical specifications to the original HCPL-063L-560, including 15MBd data rate, 50mA output current per channel, and dual supply voltage support (2.7V ~ 3.6V and 4.5V ~ 5.5V). The part is in active production status and RoHS3 compliant, addressing regulatory compliance gaps in the discontinued original.

Tier 2 — onsemi HCPL0638 / HCPL0638R2 (3750Vrms, 10kV/µs CMTI): These parts maintain 3750Vrms isolation voltage and 10kV/µs common mode transient immunity matching the original specification. Data rate is reduced to 10Mbps and output current to 15mA per channel. Supply voltage is limited to 4.5V ~ 5.5V. Selection between tube (HCPL0638) and tape & reel (HCPL0638R2) packaging depends on procurement and assembly requirements. Both are RoHS3 compliant and in active production.

Tier 3 — onsemi HCPL0639 / HCPL0639R2 (3750Vrms, 25kV/µs CMTI): These parts provide enhanced common mode transient immunity at 25kV/µs, exceeding the original 10kV/µs specification. Isolation voltage remains 3750Vrms. Data rate and output current are reduced to 10Mbps and 15mA per channel respectively. Supply voltage is 4.5V ~ 5.5V only. Selection between tube (HCPL0639) and tape & reel (HCPL0639R2) packaging depends on procurement requirements. Both are RoHS3 compliant and in active production.

Tier 4 — onsemi HCPL0637R2 (3750Vrms, 5kV/µs CMTI): This part maintains 3750Vrms isolation voltage but provides reduced common mode transient immunity at 5kV/µs. Data rate is 10Mbps and output current is 15mA per channel. Supply voltage is 4.5V ~ 5.5V. This option is suitable only for applications with lower transient immunity requirements. RoHS3 compliant and in active production.

Tier 5 — onsemi HCPL062N / HCPL062NR2 (2500Vrms, 25kV/µs CMTI): These parts reduce isolation voltage to 2500Vrms, suitable only for applications not requiring 3750Vrms isolation. Common mode transient immunity is enhanced at 25kV/µs. Data rate is 10Mbps and output current is 15mA per channel. Supply voltage is limited to 2.7V ~ 3.3V. Selection between tube (HCPL062N) and tape & reel (HCPL062NR2) packaging depends on procurement requirements. Both are RoHS3 compliant and in active production.

Frequently Asked Questions (FAQ)

Q: Can HCPL-063L-560E be used as a direct drop-in replacement for HCPL-063L-560?

A: Yes. HCPL-063L-560E maintains identical electrical specifications including 3750Vrms isolation, 2-channel configuration, 15MBd data rate, 50mA output current per channel, and dual supply voltage support. Pin configuration and package form factor are identical. The primary difference is active product status and RoHS3 compliance.

Q: What is the impact of reduced data rate (10Mbps vs. 15MBd) in onsemi substitutes?

A: Data rate reduction from 15MBd to 10Mbps affects maximum signal frequency capability. Applications operating below 10Mbps experience no functional impact. Applications requiring higher data rates must retain the HCPL-063L-560E or equivalent Broadcom part.

Q: Why do onsemi substitutes have lower output current (15mA vs. 50mA)?

A: Output current capability determines maximum load current that can be driven by each channel. Applications with load currents below 15mA per channel are unaffected. Applications requiring higher output current must use HCPL-063L-560E or verify load compatibility with reduced current specifications.

Q: Can HCPL062N / HCPL062NR2 be used if isolation voltage is not critical?

A: HCPL062N and HCPL062NR2 provide 2500Vrms isolation instead of 3750Vrms. These parts are suitable only for applications where 2500Vrms isolation meets safety and regulatory requirements. Isolation voltage selection is application-specific and must be verified against circuit design specifications.

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

A: Tube packaging (HCPL0638, HCPL0639, HCPL062N) is suitable for manual assembly and small-volume procurement. Tape & reel packaging (HCPL0638R2, HCPL0639R2, HCPL062NR2, HCPL0637R2) is optimized for automated assembly equipment and high-volume production. Electrical specifications are identical; selection depends on assembly process and procurement volume.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All identified substitute parts are RoHS3 compliant. The original HCPL-063L-560 is RoHS non-compliant. Substitution addresses regulatory compliance requirements for new designs and procurement.

Q: How does common mode transient immunity (CMTI) variation affect circuit design?

A: CMTI specification defines the maximum rate of voltage change the optoisolator can tolerate without false triggering. Higher CMTI values provide greater noise immunity in high-speed switching environments. The original HCPL-063L-560 specifies 10kV/µs. Substitutes range from 5kV/µs to 25kV/µs. Selection must match circuit transient characteristics and noise environment.

Q: Can supply voltage differences affect circuit compatibility?

A: Yes. The original HCPL-063L-560 supports dual supply ranges: 2.7V ~ 3.6V and 4.5V ~ 5.5V. Most onsemi substitutes support only 4.5V ~ 5.5V. HCPL062N and HCPL062NR2 support only 2.7V ~ 3.3V. Circuit supply voltage must match the selected substitute part specification. Verify system supply voltage before part selection.

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