S9S08DZ32F1MLF Equivalent & Substitute Parts

Part Overview

The S9S08DZ32F1MLF is an 8-bit microcontroller from NXP Semiconductors in the S08 series, featuring 32KB FLASH program memory, 1KB EEPROM, and 2KB RAM in a 48-LQFP package. This device is currently classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity and ensure component availability for production and maintenance applications.

Key Parameters

Parameter	Value
Core Processor	S08
Core Size	8-Bit
Speed	40MHz
Program Memory Size	32KB (32K x 8)
Program Memory Type	FLASH
EEPROM Size	1K x 8
RAM Size	2K x 8
Voltage Supply (Vcc/Vdd)	2.7V ~ 5.5V
Data Converters	A/D 16x12b
Number of I/O	39
Connectivity	CANbus, I2C, LINbus, SCI, SPI
Peripherals	LVD, POR, PWM, WDT
Operating Temperature	-40°C ~ 125°C (TA)
Package / Case	48-LQFP (7x7)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)

Substitute Part Grouping Explanation

Substitute parts for the S9S08DZ32F1MLF are identified based on strict electrical and mechanical parameter matching. The following criteria determine substitutability:

Critical Parameters for Substitution:

Core processor architecture (S08)
Core size (8-Bit)
Operating frequency (40MHz)
Program memory capacity and type (32KB FLASH)
EEPROM and RAM sizes (1KB x 8 and 2KB x 8 respectively)
Supply voltage range (2.7V ~ 5.5V)
Analog-to-digital converter specification (A/D 16x12b)
I/O count (39 pins)
Connectivity interfaces (CANbus, I2C, LINbus, SCI, SPI)
Peripheral features (LVD, POR, PWM, WDT)
Package type and pin count (48-LQFP 7x7)
Operating temperature range (-40°C ~ 125°C)
Compliance certifications (ROHS3, REACH Unaffected)

All identified substitutes maintain identical electrical specifications and mechanical compatibility with the original part.

Parameter Comparison

Parameter	S9S08DZ32F1MLF	S9S08DZ32F2MLF	MC9S08DZ32AMLF
Manufacturer	NXP Semiconductors	NXP USA Inc.	NXP USA Inc.
Series	S08	S08	S08
Product Status	Obsolete	Active	Active
Core Processor	S08	S08	S08
Core Size	8-Bit	8-Bit	8-Bit
Speed	40MHz	40MHz	40MHz
Program Memory Size	32KB (32K x 8)	32KB (32K x 8)	32KB (32K x 8)
Program Memory Type	FLASH	FLASH	FLASH
EEPROM Size	1K x 8	1K x 8	1K x 8
RAM Size	2K x 8	2K x 8	2K x 8
Voltage Supply (Vcc/Vdd)	2.7V ~ 5.5V	2.7V ~ 5.5V	2.7V ~ 5.5V
Data Converters	A/D 16x12b	A/D 16x12b	A/D 16x12b
Number of I/O	39	39	39
Connectivity	CANbus, I2C, LINbus, SCI, SPI	CANbus, I2C, LINbus, SCI, SPI	CANbus, I2C, LINbus, SCI, SPI
Peripherals	LVD, POR, PWM, WDT	LVD, POR, PWM, WDT	LVD, POR, PWM, WDT
Operating Temperature	-40°C ~ 125°C (TA)	-40°C ~ 125°C (TA)	-40°C ~ 125°C (TA)
Package / Case	48-LQFP (7x7)	48-LQFP (7x7)	48-LQFP (7x7)
Mounting Type	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

S9S08DZ32F2MLF is the primary direct substitute for the obsolete S9S08DZ32F1MLF. Both parts are manufactured by NXP and share identical electrical and mechanical specifications. The S9S08DZ32F2MLF maintains active product status, ensuring ongoing availability and support. This part is recommended for new designs and production continuity.

MC9S08DZ32AMLF is a parametric equivalent that provides identical functionality and performance characteristics. Manufactured by NXP USA Inc., this part also maintains active product status. The MC9S08DZ32AMLF represents an alternative within the same S08 microcontroller family and is suitable for applications requiring the same electrical and mechanical interface.

Both substitute parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment with the original part. Selection between S9S08DZ32F2MLF and MC9S08DZ32AMLF should be based on availability, supply chain considerations, and existing design documentation.

Frequently Asked Questions (FAQ)

Q: Can S9S08DZ32F2MLF directly replace S9S08DZ32F1MLF in existing designs?

A: Yes. The S9S08DZ32F2MLF is a direct substitute with identical electrical specifications, memory configuration, I/O count, connectivity interfaces, and 48-LQFP package. No circuit modifications are required.

Q: What is the difference between S9S08DZ32F2MLF and MC9S08DZ32AMLF?

A: Both parts are parametric equivalents with identical core specifications, memory sizes, operating frequency, and package type. The primary difference is the part number designation within NXP's product line. Both are suitable substitutes for the obsolete S9S08DZ32F1MLF.

Q: Are there any compatibility concerns with the 48-LQFP package?

A: No. All three parts use the same 48-LQFP (7x7) surface mount package with identical pin assignments, voltage requirements, and thermal characteristics. PCB layouts and footprints are interchangeable.

Q: Do the substitute parts support the same connectivity interfaces?

A: Yes. Both S9S08DZ32F2MLF and MC9S08DZ32AMLF provide identical connectivity: CANbus, I2C, LINbus, SCI, and SPI. Peripheral features including LVD, POR, PWM, and WDT are also identical.

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

A: Both substitute parts operate across the same temperature range as the original: -40°C to 125°C (TA). This ensures compatibility in applications with identical thermal requirements.

Q: Are the substitute parts RoHS and REACH compliant?

A: Yes. Both S9S08DZ32F2MLF and MC9S08DZ32AMLF are ROHS3 compliant and REACH unaffected, matching the compliance status of the original S9S08DZ32F1MLF.

Q: What is the moisture sensitivity level for these parts?

A: All three parts have MSL 3 rating with a 168-hour floor life. Identical handling and storage requirements apply to the original and substitute parts.

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