PIC17C44T-16I/PQ Equivalent & Substitute Parts

Part Overview

The PIC17C44T-16I/PQ is an 8-bit microcontroller from Microchip Technology's PIC® 17C series, featuring 16KB OTP program memory and operating at 16MHz. This device is classified as obsolete, making equivalent and substitute parts necessary for legacy system maintenance, redesigns, and continued production support. The part is housed in a 44-MQFP (10x10) surface mount package with 33 I/O pins and includes integrated peripherals such as UART/USART connectivity, PWM, watchdog timer (WDT), and power-on reset (POR).

Substiute Parts

PIC17C44T-16I/PQ

Microchip TechnologyIn Stock: 1203PIC17C44T-16I/PQ Datasheet

Current PartRFQ

PIC17C44-16I/PQ

Microchip TechnologyIn Stock: 913PIC17C44-16I/PQ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the PIC17C44T-16I/PQ is determined by strict alignment of the following critical parameters:

• Core Processor Architecture: PIC processor family
• Core Size: 8-Bit processing capability
• Program Memory: 16KB OTP capacity
• Speed: 16MHz operation
• I/O Count: 33 pins minimum
• Package Type: 44-QFP surface mount configuration
• Voltage Supply Range: 4.5V ~ 6V compatibility
• Operating Temperature Range: -40°C ~ 85°C
• Connectivity & Peripherals: UART/USART, PWM, WDT, POR support

The identified substitute part maintains identical electrical specifications, memory configuration, pin count, and package format, ensuring direct functional equivalence for circuit-level replacement.

Parameter Comparison

Engineering Selection Recommendations

The PIC17C44-16I/PQ serves as a direct functional equivalent to the PIC17C44T-16I/PQ. Both parts share identical electrical specifications, memory architecture, I/O configuration, and package format. The primary distinction is product status: the main part is classified as obsolete, while the substitute is active in production.

Selection of the PIC17C44-16I/PQ is supported by:

• Full compliance with ROHS3 and REACH regulatory requirements
• Identical MSL rating (3, 168 Hours) for moisture sensitivity handling
• Active product status ensuring continued availability and supply chain support
• Equivalent packaging in 44-MQFP (10x10) surface mount configuration
• Matching voltage supply range and operating temperature specifications

For applications requiring the PIC17C44T-16I/PQ, the PIC17C44-16I/PQ provides equivalent performance without functional or electrical compromise.

Frequently Asked Questions (FAQ)

Q: What is the primary difference between PIC17C44T-16I/PQ and PIC17C44-16I/PQ?

A: Both parts are electrically and functionally identical. The main difference is product status: PIC17C44T-16I/PQ is obsolete, while PIC17C44-16I/PQ is active. The substitute part ensures continued availability for legacy designs and production support.

Q: Are these parts pin-compatible?

A: Yes. Both parts use the 44-QFP package with 44-MQFP (10x10) configuration, providing identical pin count and layout for direct board-level replacement.

Q: Can PIC17C44-16I/PQ be used as a drop-in replacement?

A: Yes. Identical specifications across core processor, memory, speed, I/O count, voltage supply, temperature range, and peripherals enable direct substitution without circuit modification.

Q: What are the packaging differences?

A: The main part specifies no packaging detail, while the substitute is supplied in Tray packaging. Both use the same 44-MQFP (10x10) surface mount package format.

Q: Are there compliance or certification differences?

A: No. Both parts maintain identical RoHS3 compliance, REACH unaffected status, MSL rating (3, 168 Hours), and ECCN/HTSUS classifications.

Q: What is the inventory status for each part?

A: PIC17C44T-16I/PQ has 1149 pieces in stock (obsolete status). PIC17C44-16I/PQ has 872 pieces in stock (active status). Availability may vary by supplier and time.

Q: Are there any electrical parameter differences?

A: No. Both parts operate at 16MHz, support 4.5V ~ 6V supply voltage, feature 16KB OTP program memory, 454 x 8 RAM, 33 I/O pins, and identical peripheral support (UART/USART, PWM, WDT, POR).