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Z8F022APJ020SC Equivalent & Substitute Parts
Part Overview
The Z8F022APJ020SC is an eZ8 Encore!® XP® 8-bit microcontroller manufactured by Zilog, featuring 2KB FLASH program memory, 512 bytes of RAM, and 64 bytes of EEPROM. This device operates at 20MHz with a supply voltage range of 2.7V to 3.6V and integrates multiple peripherals including PWM, temperature sensor, watchdog timer, and brown-out detection. The part is currently classified as obsolete, making equivalent substitutes necessary for ongoing design support and production continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Zilog |
| Core Processor | eZ8 |
| Core Size | 8-Bit |
| Speed | 20MHz |
| Program Memory Size | 2KB (2K x 8) |
| Program Memory Type | FLASH |
| RAM Size | 512 x 8 |
| EEPROM Size | 64 x 8 |
| Voltage Supply (Vcc/Vdd) | 2.7V ~ 3.6V |
| Number of I/O | 23 |
| Data Converters | A/D 8x10b |
| Mounting Type | Through Hole |
| Package / Case | 28-DIP (0.600", 15.24mm) |
| Operating Temperature | 0°C ~ 70°C (TA) |
Substitute Part Grouping Explanation
Substitution eligibility for the Z8F022APJ020SC is determined by the following critical parameters:
- Core Processor Architecture: eZ8 processor family
- Memory Configuration: 2KB FLASH, 512 bytes RAM, 64 bytes EEPROM
- Clock Speed: 20MHz operation
- Supply Voltage Range: 2.7V ~ 3.6V
- I/O Count: 23 I/O pins
- Package Type: 28-DIP through-hole configuration
- Peripheral Set: IrDA, UART/USART, PWM, temperature sensor, watchdog timer, brown-out detection, LED driver, LVD, POR
The Z8F022APJ020SG2156 meets all these criteria and qualifies as a direct substitute. Both parts share identical core specifications, memory architecture, and peripheral functionality. The primary difference is product status and compliance certification.
Parameter Comparison
| Parameter | Z8F022APJ020SC | Z8F022APJ020SG2156 |
|---|---|---|
| Manufacturer | Zilog | Zilog |
| Series | Encore!® XP® | Encore!® XP® |
| Core Processor | eZ8 | eZ8 |
| Core Size | 8-Bit | 8-Bit |
| Speed | 20MHz | 20MHz |
| Program Memory Size | 2KB (2K x 8) | 2KB (2K x 8) |
| Program Memory Type | FLASH | FLASH |
| RAM Size | 512 x 8 | 512 x 8 |
| EEPROM Size | 64 x 8 | 64 x 8 |
| Voltage Supply (Vcc/Vdd) | 2.7V ~ 3.6V | 2.7V ~ 3.6V |
| Number of I/O | 23 | 23 |
| Data Converters | A/D 8x10b | A/D 8x10b |
| Connectivity | IrDA, UART/USART | IrDA, UART/USART |
| Peripherals | Brown-out Detect/Reset, LED, LVD, POR, PWM, Temp Sensor, WDT | Brown-out Detect/Reset, LED, LVD, POR, PWM, Temp Sensor, WDT |
| Oscillator Type | Internal | Internal |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | 28-DIP (0.600", 15.24mm) | 28-DIP (0.600", 15.24mm) |
| Product Status | Obsolete | Active |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
| ECCN | EAR99 | EAR99 |
| HTSUS | 8542.31.0001 | 8542.31.0001 |
Engineering Selection Recommendations
The Z8F022APJ020SG2156 is the qualified substitute for the obsolete Z8F022APJ020SC. Both parts are functionally identical across all electrical and mechanical specifications. The Z8F022APJ020SG2156 offers the advantage of active product status, ensuring continued availability and manufacturing support. Additionally, the Z8F022APJ020SG2156 carries ROHS3 compliance certification, meeting current environmental and regulatory requirements, whereas the original part is RoHS non-compliant. For new designs or production continuity, the Z8F022APJ020SG2156 is the appropriate selection.
Frequently Asked Questions (FAQ)
Q: Are the Z8F022APJ020SC and Z8F022APJ020SG2156 pin-compatible?
A: Yes. Both parts use the 28-DIP (0.600", 15.24mm) package with identical pin assignments and 23 I/O pins. Direct PCB substitution is possible without layout modifications.
Q: What is the difference between these two part numbers?
A: The primary differences are product status and compliance certification. The Z8F022APJ020SC is obsolete and RoHS non-compliant. The Z8F022APJ020SG2156 is active and ROHS3 compliant. All functional specifications, memory configuration, and peripheral features are identical.
Q: Can I use the Z8F022APJ020SG2156 in place of the Z8F022APJ020SC in existing designs?
A: Yes. The substitute part maintains full electrical and mechanical compatibility. No firmware modifications or circuit redesign is required.
Q: Why is the original part obsolete?
A: The Z8F022APJ020SC has been discontinued by Zilog. The Z8F022APJ020SG2156 represents the current active equivalent in the Encore!® XP® product line.
Q: Are there packaging differences between these parts?
A: The Z8F022APJ020SC is supplied in standard packaging. The Z8F022APJ020SG2156 is supplied in tube packaging. Both maintain the same 28-DIP physical form factor and are suitable for through-hole assembly.
Q: What is the inventory status of these parts?
A: The Z8F022APJ020SC has 1017 pieces in stock. The Z8F022APJ020SG2156 has 699 pieces in stock. Both are available as new original components.
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