STMicroelectronics ST72F321AR7T6 Microcontroller, Microprocessor, FPGA Modules
ST7 ST7 Microcontroller IC 8-Bit 8MHz 48KB (48K x 8) FLASH
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ST72F321AR7T6
Detailed Description
IC MCU 8BIT 48KB FLASH 64TQFP
Package
64-TQFP
Key Features
Package / Case: 64-TQFP; Mounting Type: Surface Mount
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
ST72F321AR7T6 Datasheet
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Technical Specifications
STMicroelectronics ST72F321AR7T6 Microcontroller, Microprocessor, FPGA Modules technical specifications.
General
Series
ST7
RAM Size
1.5K x 8
Package / Case
64-TQFP
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
48
Speed
8MHz
Related Parts Comparison (ST72F321AR7T6 vs ST72F325R9T6 vs ST72F321AR7T6TR vs STA2051TR)
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 | 64-TQFP | 64-TQFP | 64-TQFP | 64-TQFP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C |
| Supply Voltage | 3.8V ~ 5.5V | 3.8V ~ 5.5V | 3.8V ~ 5.5V | 1.8V |
| Core Processor | ST7 | ST7 | ST7 | ARM7® |
| RAM Size | 1.5K x 8 | 2K x 8 | 1.5K x 8 | 64K x 8 |
| Lifecycle Status | Obsolete | Obsolete | Not For New Designs | Obsolete |
| Number of I/O | 48 | 48 | 48 | 48 |
| Program Memory Type | Flash | Flash | Flash | FLASH (256kB) |
| Series | ST7 | ST7 | ST7 | -- |
| Core Size | 8-Bit | 8-Bit | 8-Bit | -- |
| Connectivity | I²C, SCI, SPI | I²C, SCI, SPI | I²C, SCI, SPI | -- |
| 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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