STMicroelectronics ST72F321BJ7TAE Microcontroller, Microprocessor, FPGA Modules
IC MCU 8BIT 48KB FLASH 44LQFP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ST72F321BJ7TAE
Detailed Description
IC MCU 8BIT 48KB FLASH 44LQFP
Package
44-LQFP
Key Features
Package / Case: 44-LQFP; Mounting Type: Surface Mount
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
ST72F321BJ7TAE Datasheet
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Technical Specifications
STMicroelectronics ST72F321BJ7TAE Microcontroller, Microprocessor, FPGA Modules technical specifications.
General
RAM Size
1.5K x 8
Package / Case
44-LQFP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
3.8V ~ 5.5V
Lifecycle Status
Obsolete
Peripherals
LVD, POR, PWM, WDT
Number of I/O
32
Speed
8MHz
Core Processor
ST7
Alternate Parts Comparison (ST72F321BJ7TAE vs ST72F340S4T6 vs ST72F561J9TBXS vs ST72F561J9TBS)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 44-LQFP | 44-LQFP | 44-LQFP | 44-LQFP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Supply Voltage | 3.8V ~ 5.5V | 2.7V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Core Processor | ST7 | ST7 | ST7 | ST7 |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| RAM Size | 1.5K x 8 | 1K x 8 | 2K x 8 | 2K x 8 |
| Lifecycle Status | Obsolete | Obsolete | Active | Active |
| Connectivity | I²C, SCI, SPI | I²C, LINbus, SCI, SPI | CANbus, LINSCI, SPI | CANbus, LINSCI, SPI |
| Number of I/O | 32 | 33 | 48 | 48 |
| Oscillator Type | Internal | Internal | External | External |
| Peripherals | LVD, POR, PWM, WDT | LVD, POR, PWM, WDT | LVD, POR, PWM, WDT | LVD, POR, PWM, WDT |
| Program Memory Size | 48KB (48K x 8) | 16KB (16K x 8) | 60KB (60K x 8) | 60KB (60K x 8) |
| 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
MC908GZ48CFUENXP SemiconductorsNXP
IC MCU 8BIT 48KB FLASH 64QFP
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