Microchip Technology MEC1404-NU Microcontrollers
IC MEC 128K SRAM 128VTQFP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
MEC1404-NU
Detailed Description
IC MEC 128K SRAM 128VTQFP
Package
128-TQFP
Lifecycle Status
Active
Datasheet
MEC1404-NU Datasheet
Quick Jump:
Technical Specifications
Microchip Technology MEC1404-NU Microcontrollers technical specifications.
General
Interface
I²C, LPC, SMBus, SPI, UART
RAM Size
128KB
RoHS
Yes
Package / Case
128-TQFP
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 70°C
Supply Voltage
1.71V ~ 3.465V
Lifecycle Status
Active
Number of I/O
106
Core Processor
MIPS32® M14K™
Related Parts Comparison (MEC1404-NU vs MEC1310-NU vs PIC32CX1025SG41128-I/Z2X vs PIC32CX1025SG41128T-I/Z2X)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Package / Case | 128-TQFP | 128-TQFP | 128-TQFP | 128-TQFP |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 85°C | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 1.71V ~ 3.465V | 3.3V | 1.71V ~ 3.63V | 1.71V ~ 3.63V |
| Core Processor | MIPS32® M14K™ | 8051 | ARM® Cortex®-M4F | ARM® Cortex®-M4F |
| RAM Size | 128KB | 64kB | 256K x 8 | 256K x 8 |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active | Active |
| Number of I/O | 106 | 56 | 99 | 99 |
| Package | 128-TQFP | 128-TQFP | TQFP-128 | TQFP-128 |
| Program Memory Type | External Program Memory | Flash | Flash | Flash |
| UART | Full | -- | 8 | 8 |
| Action |
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.