Equivalent & Substitute Parts Reference for PIC16F684T-E/ST

Part Overview

The Microchip Technology PIC16F684T-E/ST is an 8-bit microcontroller IC within the PIC® 16F series, housed in a 14-TSSOP package. It features 3.5KB (2K x 14) of FLASH program memory, 256 x 8 EEPROM, 128 x 8 RAM, internal oscillator, and a range of integrated peripherals including brown-out detect/reset, power-on reset, PWM, and watchdog timer. This product is currently listed as Active, ROHS3 Compliant, and REACH Unaffected, with verified programmability by DiGi-Electronics. Sourcing alternative part numbers is essential to support manufacturing continuity, manage supply chain risks, and fulfill varying packaging requirements when primary stock is insufficient or packaging specifications differ.

Substiute Parts

PIC16F684T-E/ST

Microchip TechnologyIn Stock: 1112PIC16F684T-E/ST Datasheet

Current PartRFQ

PIC16F684-E/ST

Microchip TechnologyIn Stock: 1761PIC16F684-E/ST Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute components for the PIC16F684T-E/ST are identified strictly per shared electrical, mechanical, and compliance parameters. The following requirements are matched:

• Manufacturer: Microchip Technology
• Series: PIC® 16F
• Core Processor and Size: PIC, 8-bit
• Program Memory and RAM: 3.5KB (2K x 14) FLASH, 128 x 8 RAM
• EEPROM Size: 256 x 8
• Voltage Supply Range: 2V ~ 5.5V
• Data Converter: A/D 8x10b
• Peripheral Set: Brown-out detect/reset, POR, PWM, WDT
• I/O Count: 12
• Operational Temperature Range: -40°C ~ 125°C (TA)
• Mounting: Surface mount, 14-TSSOP package, identical dimensions
• Compliance: RoHS3 Compliant, REACH Unaffected
• Product Status: Active

Only part numbers matching all listed parameters can be considered direct equivalents.

Parameter Comparison

Engineering Selection Recommendations

Both PIC16F684T-E/ST and PIC16F684-E/ST are marked as Active status and verified as ROHS3 Compliant and REACH Unaffected. Moisture Sensitivity Level for both parts is rated at 1 (Unlimited), supporting unrestricted safe handling. These compliance and certifications ensure suitability for regulated markets and environments, with no differentiation in conformance.

Frequently Asked Questions (FAQ)

Q1: What are the core criteria for selecting substitute microcontroller ICs within the same series?
A1: Substitute selection is determined by matching manufacturer, processor series, program memory type and size, RAM and EEPROM capacities, peripherals, voltage supply, package type, pin count, compliance status, and operating temperature range.

Q2: Does packaging type impact the suitability of PIC16F684-E/ST versus PIC16F684T-E/ST?
A2: Both parts share the same electrical and mechanical parameters. The difference is in packaging—Cut Tape (CT), Digi-Reel®, and Tube—which affects handling and automated assembly preferences but not electrical compatibility.

Q3: Are the compliance and environmental certifications identical for both part numbers?
A3: Both parts are designated as ROHS3 Compliant and REACH Unaffected. Moisture Sensitivity Level (MSL) is 1 (Unlimited), indicating no restriction on mounting processes.

Q4: Are there any differences in operating temperature or device dimensions between the two alternatives?
A4: The operating temperature range (-40°C ~ 125°C) and the package dimensions (14-TSSOP, 0.173", 4.40mm Width) are identical for both microcontroller ICs.

Q5: Is program compatibility assured when substituting PIC16F684-E/ST for PIC16F684T-E/ST?
A5: As both utilize the same program memory size, FLASH type, processor, and series, compatibility is defined by identical key parameters. Packaging is the only variant.