Z8F022ASB020SC Equivalent & Substitute Parts

Part Overview

The Z8F022ASB020SC is an 8-bit microcontroller from Zilog's eZ8 Encore!® XP® series, featuring 2KB FLASH program memory, 512 bytes of RAM, and 64 bytes of EEPROM. This device integrates IrDA and UART/USART connectivity with comprehensive peripheral support including PWM, temperature sensing, and watchdog timer functionality. The part is classified as obsolete, making identification of compatible substitutes essential for ongoing system support and new design implementations.

Substiute Parts

Z8F022ASB020SC

ZilogIn Stock: 1053Z8F022ASB020SC Datasheet

Current PartRFQ

Z8F022ASB020SG

ZilogIn Stock: 946Z8F022ASB020SG Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Z8F022ASB020SC is determined by strict equivalence across the following critical parameters:

• Manufacturer and series (Zilog Encore!® XP®)
• Core processor architecture (eZ8)
• Core size and speed (8-Bit, 20MHz)
• Memory configuration (2KB FLASH, 512 bytes RAM, 64 bytes EEPROM)
• Voltage supply range (2.7V ~ 3.6V)
• I/O count and connectivity (6 I/O, IrDA, UART/USART)
• Peripheral feature set (Brown-out Detect/Reset, LED, LVD, POR, PWM, Temp Sensor, WDT)
• Package type and pinout (8-SOIC)
• Operating temperature range (0°C ~ 70°C)

The Z8F022ASB020SG meets all substitution criteria as a direct functional equivalent with identical electrical and mechanical specifications.

Parameter Comparison

Engineering Selection Recommendations

The Z8F022ASB020SG is a direct functional substitute for the Z8F022ASB020SC. Both parts share identical electrical specifications, memory configuration, peripheral features, and package characteristics. The primary distinction lies in product lifecycle status and compliance certifications.

The Z8F022ASB020SG is classified as active product status, ensuring continued availability and manufacturer support. The substitute part achieves ROHS3 compliance, whereas the main part is RoHS non-compliant. For applications requiring regulatory compliance with modern environmental standards, the Z8F022ASB020SG is the appropriate selection.

The moisture sensitivity level differs between the two parts (MSL 1 versus MSL 3), reflecting different manufacturing and storage requirements. The Z8F022ASB020SG requires controlled humidity storage conditions (168 hours maximum at specified humidity levels) compared to the unlimited storage capability of the main part.

Frequently Asked Questions (FAQ)

Q: Are Z8F022ASB020SC and Z8F022ASB020SG pin-compatible?

A: Yes. Both parts use the 8-SOIC package with identical pinout and electrical characteristics. Direct PCB substitution is possible without design modification.

Q: What is the difference between the packaging designations (SC versus SG)?

A: The SC suffix indicates tape and reel packaging, while SG indicates tube packaging. The packaging designation does not affect electrical or mechanical compatibility; it reflects only the distribution format.

Q: Can I use Z8F022ASB020SG in existing designs originally specified for Z8F022ASB020SC?

A: Yes, the Z8F022ASB020SG is functionally equivalent and can replace the Z8F022ASB020SC in existing designs. Verify that your application can accommodate the MSL 3 moisture sensitivity requirement and ROHS3 compliance status.

Q: What does MSL 3 (168 Hours) mean for component handling?

A: MSL 3 indicates the component must be used within 168 hours of exposure to ambient conditions exceeding 30°C and 85% relative humidity. Proper storage in dry conditions is required to maintain component reliability.

Q: Why is the main part marked as obsolete?

A: The Z8F022ASB020SC is no longer manufactured by Zilog. The Z8F022ASB020SG represents the current active equivalent for new designs and ongoing system support.