Z8F022APH020SC Equivalent & Substitute Parts

Part Overview

The Z8F022APH020SC is an eZ8 Encore!® XP® 8-bit microcontroller manufactured by Zilog, featuring 2KB FLASH program memory, 512 x 8 RAM, and 64 x 8 EEPROM. The device operates at 20MHz with a supply voltage range of 2.7V to 3.6V and integrates peripherals including PWM, temperature sensor, watchdog timer, and brown-out detection. The part is mounted in a 20-DIP package with 17 I/O pins.

The Z8F022APH020SC is classified as obsolete. Locating equivalent or substitute components becomes necessary when original stock is depleted or when design updates require components with improved compliance status or extended availability.

Key Parameters

Parameter	Value
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	17
Package / Case	20-DIP (0.300", 7.62mm)
Mounting Type	Through Hole
Operating Temperature	0°C ~ 70°C (TA)

Substitute Part Grouping Explanation

Substitution eligibility for the Z8F022APH020SC is determined by strict equivalence across the following parameters:

Core processor architecture (eZ8)
Core size (8-Bit)
Operating frequency (20MHz)
Program memory capacity and type (2KB FLASH)
RAM and EEPROM capacity (512 x 8 and 64 x 8 respectively)
Supply voltage range (2.7V ~ 3.6V)
I/O pin count (17)
Package type and form factor (20-DIP)
Mounting technology (Through Hole)
Operating temperature range (0°C ~ 70°C)

The Z8F022APH020SG2156 meets all these criteria and is therefore a direct functional equivalent.

Parameter Comparison

Parameter	Z8F022APH020SC	Z8F022APH020SG2156
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	17	17
Data Converters	A/D 7x10b	A/D 7x10b
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
Package / Case	20-DIP (0.300", 7.62mm)	20-DIP (0.300", 7.62mm)
Mounting Type	Through Hole	Through Hole
Operating Temperature	0°C ~ 70°C (TA)	0°C ~ 70°C (TA)
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 Z8F022APH020SG2156 is the direct substitute for the Z8F022APH020SC. Both parts are functionally identical across all electrical and mechanical parameters. The primary distinction is product status and regulatory compliance:

The Z8F022APH020SC is obsolete and carries RoHS non-compliant status. The Z8F022APH020SG2156 is active and ROHS3 compliant, making it the preferred selection for new designs or component replenishment. The substitute part maintains identical pinout, memory configuration, operating characteristics, and peripheral functionality, ensuring drop-in compatibility in existing circuit designs.

Frequently Asked Questions (FAQ)

Q: Can the Z8F022APH020SG2156 replace the Z8F022APH020SC in existing designs?

A: Yes. Both parts share identical core architecture, memory configuration, I/O count, package type, and operating parameters. The Z8F022APH020SG2156 is a direct functional equivalent with no design modifications required.

Q: What is the difference between these two part numbers?

A: The Z8F022APH020SC is obsolete with RoHS non-compliant status. The Z8F022APH020SG2156 is active production with ROHS3 compliance. All electrical and mechanical specifications are identical.

Q: Are the package dimensions identical?

A: Yes. Both parts use the 20-DIP (0.300", 7.62mm) package with through-hole mounting. PCB footprints and board layouts are interchangeable.

Q: Does the substitute part have the same pin configuration?

A: Yes. Both parts have 17 I/O pins in the same 20-DIP configuration. Pin assignments and functionality are identical.

Q: What is the inventory status of the substitute part?

A: The Z8F022APH020SG2156 has 1096 pieces in stock as new original inventory, compared to 774 pieces for the obsolete Z8F022APH020SC.

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