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Macronix MX25U1632FBHI02 Serial NOR Flash Explained
10/7/2026 6:30:01 PM
MX25U1632FBHI02 is a 1.8V 16Mb serial NOR Flash memory in Macronix's MX25U1632F series. It uses a WLCSP-8 wafer-level chip-scale package and is designed specifically for applications sensitive to space and power consumption. The device supports SPI, Dual I/O, Quad I/O, and QPI protocols, can operate at clock frequencies up to 133 MHz under all protocols, and offers a fast access time of 6 ns, making it suitable for latency-sensitive scenarios such as execute-in-place (XIP).
The table below summarizes the key specifications of the MX25U1632FBHI02:
|
Parameter |
Specification |
|
Storage capacity |
16 Mbit (2M × 8) |
|
Operating voltage |
1.65V ~ 2V |
|
Interface type |
SPI / Quad I/O / QPI |
|
Maximum clock frequency |
133 MHz |
|
Access time |
6 ns |
|
Page program time |
3 ms (typical) |
|
Operating temperature |
-40°C ~ +85°C |
|
Package |
WLCSP-8 |
|
Erase/program endurance |
100,000 cycles |
|
Data retention |
20 years |
Q: What standout advantages does the MX25U1632FBHI02 have compared with other models in the same series?
A: Compared with the MX25U1635F/E, the MX25U1632F supports 133 MHz under all protocols and adds an 8K-bit secure OTP area as well as a higher level of Advanced Sector Protection mode. It supports non-volatile individual sector/block protection and software locking mechanisms, effectively preventing accidental or malicious data modification.
Q: How does the device perform in terms of low power consumption?
A: The MX25U1632F supports Deep Power-down mode, in which the typical current can be as low as the microamp level, making it very suitable for battery-powered portable devices and IoT terminals. At the same time, its low 1.65V operating voltage further reduces overall system power consumption.
Q: What typical application scenarios is it suitable for?
A: With its small WLCSP package, low-voltage operation, and high-speed quad-wire interface, the chip is widely used for code storage and data logging in wearable devices, IoT sensor nodes, industrial control modules, and automotive electronics.
Overall, the MX25U1632FBHI02 offers balanced performance, security, and power consumption at the 16Mb capacity level, making it a serial Flash solution worth prioritizing for evaluation by embedded system designers in space-constrained scenarios.
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