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M25P16-VMN6TP

16Mbit SPI flash, 75MHz, SOIC-8, 256B page, sector erase, WP/hold, deep power-down

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Manufacturer Part：

M25P16-VMN6TP

Package：

SOIC-8 (4.90 x 3.90 x 1.37 mm)

Brand：

Product Categories：

Digital Signal Processors (DSP), Integrated Circuits ICs

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Description

Product Overview

The M25P16-VMN6TP from STMicroelectronics is a 16Mbit (2Mx8) SPI serial flash memory in a SOIC-8 package. With 75MHz SPI clock and 256-byte page programming, it provides reliable non-volatile storage for firmware, configuration, and data logging.

Key Specifications

Memory Size	16 Mbit (2,097,152 x 8 bit)
Interface	SPI (0/0 mode, 75 MHz max)
Page Size	256 bytes
Sector/Block	32 sectors (64KB each), 8 blocks (256KB)
Endurance	100,000 erase/write cycles
Data Retention	20 years
Operating Temperature	-40C to +85C

Features

16Mbit SPI flash with 75MHz clock for fast firmware access
256-byte page programming in 1.5ms typical
Sector (64KB) and bulk erase for flexible data management
Write protection with sector lock-down and hardware WP pin
Hold pin for pausing serial communication without reset
Deep power-down mode with 5uA typical current

Applications

Microcontroller firmware and boot code storage
FPGA configuration bitstream storage
Industrial equipment parameter and calibration data
Consumer electronics configuration and log storage

Product Introduction:M25P16-VMN6TP Product Introduction

The M25P16-VMN6TP from STMicroelectronics is a 16Mbit (2M x 8) serial flash memory with SPI interface in a SOIC-8 package. The device supports SPI clock frequencies up to 75MHz, providing fast read throughput for firmware execution and data access. The memory is organized as 32 sectors of 64KB each, with 256-byte page programming capability. Page programming time is typically 1.5ms, and sector erase time is typically 1 second. The device supports multiple read modes including standard read, fast read, and dual output fast read for increased bandwidth. Write protection features include individual sector lock-down, hardware write protect (W) pin, and write-enable latch that must be set before any write or erase operation. The hold (HOLD) pin allows the SPI communication to be paused without resetting the device, useful for shared SPI bus applications. Deep power-down mode reduces current consumption to 5uA typical for battery-powered applications. The 100,000 erase/write cycle endurance and 20-year data retention provide long-term reliability.

Working Principle:M25P16-VMN6TP Working Principle

The M25P16-VMN6TP uses NOR flash memory with SPI serial interface. (1) Memory Array: The 16Mbit storage is organized as 2,097,152 bytes in 32 sectors of 65,536 bytes (64KB) each. Each sector contains 256 pages of 256 bytes. (2) SPI Protocol: Commands, addresses, and data are transferred serially via the SPI bus (S, Q, D, C pins). The device supports SPI mode 0 (CPOL=0, CPHA=0) and mode 3. Commands are 1 byte, addresses are 24 bits (3 bytes). (3) Read: The READ command outputs data starting at the specified address. FAST_READ reduces the access time by using a dummy clock cycle. Dual output mode uses both Q and D pins for 2x throughput. (4) Program: Page programming writes up to 256 bytes in one operation. The WREN (write enable) command must be issued before programming. Data is first written to an internal buffer, then programmed to the flash array. (5) Erase: Sector erase clears one 64KB sector to all 1s. Bulk erase clears the entire array. Erase operations also require WREN. (6) Protection: The status register provides write protection through block protect bits (BP1, BP2) that define protected address ranges. The W pin provides hardware write protection when low.

Pin Description:M25P16-VMN6TP Pin Definition and Functions

Pin	Name	Type	Function
1	S	Input	Chip select (active low)
2	Q	Output	Data output (MISO)
3	W	Input	Write protect (active low)
4	VSS	Ground	Ground
5	D	Input	Data input (MOSI)
6	C	Input	SPI clock
7	HOLD	Input	Hold (pauses serial communication)
8	VDD	Power	Supply (2.7V to 3.6V)

Application Scenarios:In which products and applications isM25P16-VMN6TP used

Microcontroller firmware and boot code storage at 75MHz SPI
FPGA configuration bitstream storage with fast read
Industrial equipment parameter and calibration data with sector protection
Consumer electronics configuration and log storage with 20-year retention

Alternative Models:What chips are recommended as replacements for M25P16-VMN6TP

Manufacturer	Part Number	Package	Notes
ST	M25P32-VMF6TP	SOIC-8	32Mbit, same family
Macronix	MX25L1606EM2I-12G	SOIC-8	16Mbit, 120MHz, equivalent
Winbond	W25Q16JVSSIQ	SOIC-8	16Mbit, 133MHz, dual/quad
Microchip	SST25VF016B-50-4I-S2AF	SOIC-8	16Mbit, 50MHz