Z8F012APJ020SC Equivalent & Substitute Parts

Part Overview

The Z8F012APJ020SC is an eZ8 Encore!® XP® 8-bit microcontroller manufactured by Zilog, featuring 1KB FLASH program memory, 256 bytes of RAM, and 16 bytes of EEPROM. This device operates at 20MHz with a supply voltage range of 2.7V to 3.6V and includes integrated peripherals such as 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.

Key Parameters

Parameter	Value
Core Processor	eZ8
Core Size	8-Bit
Speed	20MHz
Program Memory Size	1KB (1K x 8)
Program Memory Type	FLASH
RAM Size	256 x 8
EEPROM Size	16 x 8
Voltage Supply (Vcc/Vdd)	2.7V ~ 3.6V
Number of I/O	23
Data Converters	A/D 8x10b
Connectivity	IrDA, UART/USART
Peripherals	Brown-out Detect/Reset, LED, LVD, POR, PWM, Temp Sensor, WDT
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 Z8F012APJ020SC is determined by strict equivalence across the following critical parameters:

Core processor architecture (eZ8)
Core size (8-Bit)
Operating frequency (20MHz)
Program memory capacity and type (1KB FLASH)
RAM and EEPROM capacity (256 x 8 and 16 x 8 respectively)
Supply voltage range (2.7V ~ 3.6V)
I/O count (23 pins)
Peripheral feature set (PWM, temperature sensor, watchdog timer, brown-out detection, LVD, POR, LED, IrDA, UART/USART)
Package form factor (28-DIP)
Operating temperature range (0°C ~ 70°C)

The Z8F012APJ020SG2156 meets all these criteria and is therefore a direct functional equivalent. The primary distinction is product status and compliance certification.

Parameter Comparison

Parameter	Z8F012APJ020SC	Z8F012APJ020SG2156
Manufacturer	Zilog	Zilog
Series	Encore!® XP®	Encore!® XP®
Core Processor	eZ8	eZ8
Core Size	8-Bit	8-Bit
Speed	20MHz	20MHz
Program Memory Size	1KB (1K x 8)	1KB (1K x 8)
Program Memory Type	FLASH	FLASH
RAM Size	256 x 8	256 x 8
EEPROM Size	16 x 8	16 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
Mounting Type	Through Hole	Through Hole
Package / Case	28-DIP (0.600", 15.24mm)	28-DIP (0.600", 15.24mm)
Operating Temperature	0°C ~ 70°C (TA)	0°C ~ 70°C (TA)
Product Status	Obsolete	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant
Packaging	Not specified	Tube

Engineering Selection Recommendations

The Z8F012APJ020SG2156 is the direct substitute for the obsolete Z8F012APJ020SC. Both parts are functionally identical across all electrical and mechanical parameters. The Z8F012APJ020SG2156 offers the advantage of active product status, ensuring continued availability and supply chain support. Additionally, the Z8F012APJ020SG2156 carries ROHS3 compliance certification, whereas the original part is RoHS non-compliant. For new designs or production continuity, the Z8F012APJ020SG2156 is the appropriate selection.

Frequently Asked Questions (FAQ)

Q: Can the Z8F012APJ020SG2156 be used as a direct replacement for the Z8F012APJ020SC?

A: Yes. Both parts share identical electrical specifications, memory configuration, peripheral feature set, I/O count, and 28-DIP package form factor. No circuit modifications are required.

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

A: The Z8F012APJ020SC is classified as obsolete, while the Z8F012APJ020SG2156 is active. The substitute part also includes ROHS3 compliance certification and is supplied in tube packaging.

Q: Are there any compatibility concerns with the package?

A: No. Both parts use the identical 28-DIP (0.600", 15.24mm) through-hole package. Pin assignments, spacing, and mechanical dimensions are equivalent.

Q: Does the substitute part support the same operating voltage range?

A: Yes. The Z8F012APJ020SG2156 operates within the same 2.7V to 3.6V supply voltage range as the original part.

Q: What is the temperature operating range for the substitute part?

A: The Z8F012APJ020SG2156 operates across the same 0°C to 70°C temperature range as the Z8F012APJ020SC.

Q: Is the substitute part available in higher quantities?

A: Yes. The Z8F012APJ020SG2156 has 1122 pieces in stock compared to 652 pieces of the original part, reflecting its active product status.

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