Microchip Technology PIC16C621A-04/P Microcontrollers
IC MCU 8BIT 1.75KB OTP 18DIP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
PIC16C621A-04/P
Base Model
Detailed Description
IC MCU 8BIT 1.75KB OTP 18DIP
Package
18-DIP (0.300", 7.62mm)
Lifecycle Status
Active
Datasheet
PIC16C621A-04/P Datasheet
Quick Jump:
Technical Specifications
Microchip Technology PIC16C621A-04/P Microcontrollers technical specifications.
General
RAM Size
96 x 8
Data Bus Width
8 bit
Maximum Clock Frequency
4 MHz
RoHS
Yes
Package / Case
18-DIP
Mounting Type
Through Hole
Operating Temperature
0°C ~ 70°C (TA)
Supply Voltage
2.5V ~ 5.5V
Lifecycle Status
Active
Peripherals
Brown-out Detect/Reset, POR, WDT
Alternate Parts Comparison (PIC16C621A-04/P vs PIC16C72A-04E/SS vs PIC16C770T-I/SO vs PIC16C65A-04/PQ)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 18-DIP | 28-SSOP | 20-SOIC | 44-QFP |
| Mounting Type | Through Hole | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | 0°C ~ 70°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 85°C (TA) | 0°C ~ 70°C (TA) |
| Supply Voltage | 2.5V ~ 5.5V | 4V ~ 5.5V | 4V ~ 5.5V | 4V ~ 6V |
| Core Processor | PIC | PIC | PIC | PIC |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| RAM Size | 96 x 8 | 128 x 8 | 256 x 8 | 192 x 8 |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active | Active |
| Number of I/O | 13 | 22 | 15 | 33 |
| Oscillator Type | External | External | Internal | External |
| Package | PDIP-18 | SSOP-28 | SOIC W-20 | MQFP-44 |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
MC705P6ACDWENXP SemiconductorsNXP
MCU 8-bit HC05 CISC 4672B EPROM 3.3V/5V 28-Pin SOIC W Tube / IC MCU 8BIT 4.5KB OTP 28SOIC
MC908AB32CFUENXP SemiconductorsNXP
IC MCU 8BIT 32KB FLASH 64QFP
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
