Z8F0123PJ005SC Equivalent & Substitute Parts

Part Overview

The Z8F0123PJ005SC is an 8-bit microcontroller from Zilog's eZ8 Encore!® XP® series, featuring 1KB FLASH program memory, 256 x 8 bytes of RAM, and integrated peripherals including UART/USART connectivity, PWM, and watchdog timer functionality. This device operates at 5MHz with a supply voltage range of 2.7V to 3.6V and is housed in a 28-DIP package.

The Z8F0123PJ005SC is classified as obsolete. Locating equivalent substitute parts is necessary to support legacy system maintenance, board-level repairs, and continued production of systems utilizing this microcontroller architecture.

Substiute Parts

Z8F0123PJ005SC

ZilogIn Stock: 1050Z8F0123PJ005SC Datasheet

Current PartRFQ

Z8F0123PJ005SG2156

ZilogIn Stock: 1041Z8F0123PJ005SG2156 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Z8F0123PJ005SC is determined by strict equivalence across the following critical parameters:

• Core processor architecture (eZ8)
• Core size (8-Bit)
• Operating frequency (5MHz)
• Program memory capacity and type (1KB FLASH)
• RAM capacity (256 x 8)
• Supply voltage range (2.7V ~ 3.6V)
• I/O count (22 pins)
• Peripheral feature set (UART/USART, PWM, WDT, Brown-out Detect/Reset, LED, POR)
• Package type and pin count (28-DIP)
• Operating temperature range (0°C ~ 70°C)

The Z8F0123PJ005SG2156 meets all substitution criteria as a direct functional equivalent within the eZ8 Encore!® XP® product line.

Parameter Comparison

Engineering Selection Recommendations

The Z8F0123PJ005SG2156 is a direct functional substitute for the Z8F0123PJ005SC. Both devices share identical electrical specifications, memory configuration, peripheral feature set, and package form factor.

The primary distinction between these parts is product lifecycle status and regulatory compliance. The Z8F0123PJ005SC is classified as obsolete, while the Z8F0123PJ005SG2156 maintains active product status. Additionally, the Z8F0123PJ005SG2156 is ROHS3 compliant, whereas the Z8F0123PJ005SC is RoHS non-compliant.

For new designs or system refreshes, the Z8F0123PJ005SG2156 is the appropriate selection. For legacy system support where the original part number must be maintained, the Z8F0123PJ005SG2156 provides full functional compatibility with improved regulatory standing.

Frequently Asked Questions (FAQ)

Q: Can the Z8F0123PJ005SG2156 be used as a direct replacement for the Z8F0123PJ005SC?

A: Yes. Both devices are functionally identical across all electrical and mechanical parameters. The Z8F0123PJ005SG2156 is pin-compatible and software-compatible with the Z8F0123PJ005SC.

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

A: The Z8F0123PJ005SC is obsolete and RoHS non-compliant. The Z8F0123PJ005SG2156 is an active product with ROHS3 compliance. Packaging differs slightly: the Z8F0123PJ005SC uses standard DIP packaging, while the Z8F0123PJ005SG2156 is supplied in tube packaging. Both maintain identical 28-DIP form factor and pinout.

Q: Are there any firmware or software modifications required when switching to the Z8F0123PJ005SG2156?

A: No. Both devices use the same eZ8 core processor and instruction set. Existing firmware compiled for the Z8F0123PJ005SC will execute identically on the Z8F0123PJ005SG2156 without modification.

Q: What is the supply voltage compatibility?

A: Both parts operate within the identical supply voltage range of 2.7V to 3.6V. Circuit designs do not require adjustment when substituting between these devices.

Q: Are the pin assignments identical?

A: Yes. Both devices are housed in 28-DIP packages with identical pinout and I/O configuration. PCB layouts require no modification for substitution.

Q: What is the operating temperature range for both devices?

A: Both the Z8F0123PJ005SC and Z8F0123PJ005SG2156 operate across the temperature range of 0°C to 70°C (TA).