Z8L18020FSC Equivalent & Substitute Parts

Part Overview

The Z8L18020FSC is a Z180 microprocessor IC manufactured by Zilog, featuring 1 core, 8-bit architecture operating at 20MHz in an 80-QFP surface mount package. This component is classified as obsolete, which necessitates identification of equivalent substitute parts for ongoing system maintenance and new design implementations where Z180 processor functionality is required.

Substiute Parts

Z8L18020FSC

ZilogIn Stock: 808Z8L18020FSC Datasheet

Current PartRFQ

Z8L18020FSG

ZilogIn Stock: 1166Z8L18020FSG Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Z8L18020FSC is determined by the following critical parameters:

• Processor Core: Z8L180 (identical core required)
• Clock Speed: 20MHz (exact frequency match)
• Bus Architecture: 1 Core, 8-Bit (identical configuration)
• I/O Voltage: 3.3V (identical supply voltage)
• Operating Temperature Range: 0°C ~ 70°C (identical thermal specification)
• Package Type: 80-BQFP (identical physical form factor)
• Interface Set: ASCI, CSIO, UART (identical peripheral interfaces)

The Z8L18020FSG qualifies as a direct substitute based on matching all critical electrical and mechanical parameters. The primary distinction between these parts is packaging configuration and product status classification.

Parameter Comparison

Engineering Selection Recommendations

The Z8L18020FSG is a direct functional equivalent to the Z8L18020FSC. Selection between these parts should be based on the following criteria:

Z8L18020FSG is preferred when:

• New designs require active product status for long-term supply chain continuity
• ROHS3 compliance is mandated by design specifications or regulatory requirements
• Tray packaging is compatible with assembly processes

Z8L18020FSC may be retained when:

• Existing inventory supports current production requirements
• Legacy system maintenance does not impose RoHS compliance constraints
• Tube packaging aligns with handling and storage procedures

Both parts maintain identical electrical performance, thermal characteristics, and interface specifications. No functional differences exist between these components.

Frequently Asked Questions (FAQ)

Q: Can Z8L18020FSG replace Z8L18020FSC in existing designs? A: Yes. Both parts are functionally identical with matching processor core, clock speed, voltage, temperature range, and package specifications. The primary differences are product status and RoHS compliance classification.

Q: What is the difference between tube and tray packaging? A: Tube packaging (Z8L18020FSC) and tray packaging (Z8L18020FSG) are alternative delivery formats for the same component. Selection depends on assembly equipment compatibility and handling procedures. Both maintain identical MSL ratings and storage requirements.

Q: Does RoHS3 compliance affect electrical performance? A: No. RoHS3 compliance (Z8L18020FSG) indicates conformance to hazardous substance restrictions but does not alter electrical characteristics, performance specifications, or functional behavior compared to the non-compliant variant (Z8L18020FSC).

Q: Are the 80-BQFP and 80-QFP packages identical? A: Yes. The 80-QFP designation in the supplier device package field refers to the same 80-pin ball quad flat pack physical form factor as the 80-BQFP package classification.

Q: What interfaces are supported by both parts? A: Both Z8L18020FSC and Z8L18020FSG support ASCI, CSIO, and UART interfaces, enabling serial communication and peripheral connectivity in embedded applications.

Q: Is inventory availability a factor in substitution decisions? A: Inventory levels may influence procurement timing but do not affect technical substitution eligibility. Both parts meet identical functional requirements regardless of stock quantities.