DF38602RFH4WV Equivalent & Substitute Parts

Part Overview

The DF38602RFH4WV is a 16-bit H8/300H SLP microcontroller manufactured by Renesas Electronics Corporation, featuring 16KB FLASH memory and a 32-LQFP package. This device is classified as obsolete, which necessitates identification of functionally equivalent alternatives for new designs and production continuity. The part operates at 4MHz with integrated peripherals including I2C, IrDA, SCI, and SSU connectivity, along with PWM, WDT, and POR functions.

Substiute Parts

DF38602RFH4WV

Renesas Electronics CorporationIn Stock: 823DF38602RFH4WV Datasheet

Current PartRFQ

S9S12ZVL16F0VLC

NXP USA Inc.In Stock: 2757S9S12ZVL16F0VLC Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the DF38602RFH4WV is determined by the following critical parameters:

Mandatory Compatibility Parameters:

• Package type: 32-LQFP (7x7) form factor
• Program memory: 16KB FLASH minimum
• RAM: 1K x 8 minimum
• Core size: 16-Bit architecture
• Data converters: A/D 6x10b capability
• RoHS compliance: ROHS3 Compliant

Functional Equivalence Parameters:

• Connectivity protocols: I2C, IrDA, SCI support
• Peripheral functions: PWM, WDT, POR
• Operating temperature range: -40°C minimum to 85°C maximum
• Mounting type: Surface Mount

The S9S12ZVL16F0VLC from NXP USA Inc. meets these substitution criteria through identical package geometry, matching memory specifications, and equivalent peripheral integration, despite differences in core processor architecture and operating voltage range.

Parameter Comparison

Engineering Selection Recommendations

The S9S12ZVL16F0VLC qualifies as a direct substitute based on matching package geometry, identical program memory capacity, equivalent RAM configuration, and identical A/D converter specifications. Both devices maintain ROHS3 compliance and identical moisture sensitivity ratings, ensuring compatibility with existing manufacturing and storage protocols.

The substitute part carries Active product status, providing long-term availability and supply chain stability compared to the obsolete DF38602RFH4WV. The extended operating temperature range (-40°C to 105°C versus -40°C to 85°C) provides additional thermal margin for demanding applications.

Design migration requires evaluation of voltage supply requirements, as the substitute operates at 5.5V to 18V versus the original 1.8V to 3.6V specification. The increased I/O count (19 versus 13) offers additional functionality without package size increase.

Frequently Asked Questions (FAQ)

Q: Can the S9S12ZVL16F0VLC directly replace the DF38602RFH4WV in existing PCB layouts?

A: Yes, both devices use identical 32-LQFP (7x7) package geometry and pin count, enabling direct footprint compatibility. However, voltage supply circuitry must be redesigned to accommodate the different operating voltage range.

Q: Are the memory specifications identical between these parts?

A: Both devices feature 16KB FLASH program memory and 1K x 8 RAM, with identical A/D converter specifications (6x10b). The substitute includes 128 x 8 EEPROM, which the original does not specify.

Q: What is the significance of the different operating voltage ranges?

A: The DF38602RFH4WV operates at 1.8V to 3.6V (low-voltage design), while the S9S12ZVL16F0VLC requires 5.5V to 18V (higher voltage operation). This difference necessitates complete power supply redesign and is not a pin-compatible substitution without additional circuit modifications.

Q: Does the higher I/O count of the substitute part affect compatibility?

A: The S9S12ZVL16F0VLC provides 19 I/O pins versus 13 on the original. The additional I/O pins do not create incompatibility; however, PCB layout and firmware must account for the expanded I/O capability.

Q: Are both parts compliant with current regulatory standards?

A: Both devices are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements. Both maintain identical MSL 3 (168 Hours) moisture sensitivity ratings.

Q: What is the product status difference, and why does it matter?

A: The DF38602RFH4WV is classified as obsolete, indicating discontinued production and limited availability. The S9S12ZVL16F0VLC maintains active status, ensuring continued manufacturing and supply chain availability for production quantities.