PIC16F627T-20E/SS Equivalent & Substitute Parts

Part Overview

The PIC16F627T-20E/SS is an 8-bit microcontroller from Microchip Technology's PIC® 16F series, featuring 1.75KB FLASH program memory, 20MHz operation, and 16 I/O pins in a 20-SSOP surface mount package. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. Substitute parts maintain identical electrical and mechanical specifications while offering active product status and verified programmability.

Key Parameters

Parameter	Value
Core Processor	PIC
Core Size	8-Bit
Speed	20MHz
Program Memory Size	1.75KB (1K x 14)
Program Memory Type	FLASH
EEPROM Size	128 x 8
RAM Size	224 x 8
Number of I/O	16
Voltage Supply (Vcc/Vdd)	3V ~ 5.5V
Mounting Type	Surface Mount
Package / Case	20-SSOP (0.209", 5.30mm Width)
Operating Temperature	-40°C ~ 125°C (TA)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the PIC16F627T-20E/SS is determined by strict equivalence across the following critical parameters:

Core Architecture: PIC 8-bit processor
Memory Configuration: 1.75KB FLASH, 128 x 8 EEPROM, 224 x 8 RAM
Operating Speed: 20MHz maximum
I/O Count: 16 pins
Package: 20-SSOP form factor with identical 0.209" width and 5.30mm dimensions
Voltage Range: 3V to 5.5V supply compatibility
Connectivity & Peripherals: UART/USART, Brown-out Detect/Reset, POR, PWM, WDT

The identified substitute parts maintain 100% electrical and mechanical compatibility with the main part number while offering improved product status and verified programmability support.

Parameter Comparison

Parameter	PIC16F627T-20E/SS (Main)	PIC16F627-20E/SS (Substitute)	PIC16F627-20I/SS (Substitute)
Manufacturer	Microchip Technology	Microchip Technology	Microchip Technology
Series	PIC® 16F	PIC® 16F	PIC® 16F
Core Processor	PIC	PIC	PIC
Core Size	8-Bit	8-Bit	8-Bit
Speed	20MHz	20MHz	20MHz
Program Memory Size	1.75KB (1K x 14)	1.75KB (1K x 14)	1.75KB (1K x 14)
Program Memory Type	FLASH	FLASH	FLASH
EEPROM Size	128 x 8	128 x 8	128 x 8
RAM Size	224 x 8	224 x 8	224 x 8
Number of I/O	16	16	16
Connectivity	UART/USART	UART/USART	UART/USART
Peripherals	Brown-out Detect/Reset, POR, PWM, WDT	Brown-out Detect/Reset, POR, PWM, WDT	Brown-out Detect/Reset, POR, PWM, WDT
Voltage Supply (Vcc/Vdd)	3V ~ 5.5V	3V ~ 5.5V	3V ~ 5.5V
Oscillator Type	Internal	Internal	Internal
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Package / Case	20-SSOP (0.209", 5.30mm Width)	20-SSOP (0.209", 5.30mm Width)	20-SSOP (0.209", 5.30mm Width)
Product Status	Obsolete	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

Both substitute parts—PIC16F627-20E/SS and PIC16F627-20I/SS—are direct functional equivalents to the PIC16F627T-20E/SS. Selection between them is based on product status and supply chain considerations:

PIC16F627-20E/SS is the primary substitute, offering active product status with verified programmability support. This part maintains full electrical and mechanical compatibility while providing ongoing manufacturer support and supply availability.

PIC16F627-20I/SS is an alternative substitute with identical electrical specifications and active product status. The primary distinction is packaging format (Tube) and a narrower operating temperature range (-40°C to +85°C versus -40°C to +125°C). This part is suitable for applications operating within the reduced temperature specification.

Both substitute parts carry ROHS3 compliance, REACH unaffected status, and MSL 1 rating, meeting the same regulatory and environmental requirements as the main part number.

Frequently Asked Questions (FAQ)

Q: Can PIC16F627-20E/SS and PIC16F627-20I/SS be used interchangeably with PIC16F627T-20E/SS?

A: Both substitute parts are electrically and mechanically equivalent. They share identical core processor architecture, memory configuration, I/O count, package dimensions, and voltage specifications. Substitution is valid for direct replacement in circuit designs.

Q: What is the difference between PIC16F627-20E/SS and PIC16F627-20I/SS?

A: The primary differences are packaging format and operating temperature range. PIC16F627-20E/SS uses standard packaging, while PIC16F627-20I/SS is supplied in Tube packaging. PIC16F627-20I/SS operates from -40°C to +85°C, whereas PIC16F627-20E/SS operates from -40°C to +125°C. Select based on your application's temperature requirements and packaging preferences.

Q: Why is the main part number PIC16F627T-20E/SS classified as obsolete?

A: Obsolete status indicates the part is no longer in active production. The substitute parts PIC16F627-20E/SS and PIC16F627-20I/SS provide continued access to equivalent functionality with active product status and ongoing manufacturer support.

Q: Are all three parts ROHS3 compliant?

A: Yes. The main part number and both substitute parts carry ROHS3 compliance certification, meeting environmental and regulatory requirements for lead-free manufacturing.

Q: What is the significance of MSL 1 (Unlimited) rating?

A: MSL 1 indicates the lowest moisture sensitivity level, meaning the component has unlimited shelf life without special moisture control measures. All three parts share this rating.

Q: Can I use PIC16F627-20I/SS in applications requiring -40°C to +125°C operation?

A: No. PIC16F627-20I/SS is rated only to +85°C. For applications requiring the full -40°C to +125°C temperature range, use PIC16F627-20E/SS.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message