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參數(shù)資料
| 型號(hào)： | NX25P16-VSI |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | PROM |
| 英文描述： | 16M X 1 FLASH 2.7V PROM, PDSO8 |
| 封裝： | 0.208 INCH, SOIC-8 |
| 文件頁數(shù)： | 34/43頁 |
| 文件大?。?/td> | 918K |
| 代理商： | NX25P16-VSI |
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W25P80 / W25P16 / W25P32
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1. GENERAL DESCRIPTION
The W25P80 (8M-bit), W25P16 (16M-bit) and W25P32 (32M-bit) Serial Flash memories provide a
storage solution for systems with limited space, pins and power. They are ideal for code download
applications as well as storing voice, text and data. The devices operate on a single 2.7V to 3.6V
power supply with current consumption as low as 4mA active and 1A for power-down. Devices are
offered in space-saving SOIC packages. As part of a family of Serial Flash products, Winbond also
offers compatible devices in 1M/2M/4M-bit densities.
The W25P80/16/32 array is organized into 4,096/8,192/16,384 programmable pages of 256-bytes
each. Up to 256 bytes can be programmed at a time using the Page Program instruction. Pages are
grouped into 16/32/64 erasable sectors of 256 pages (64K-byte) each as shown in figure 2. Both
Sector Erase and Chip (full chip) Erase instructions are supported. Additionally, a 256-byte Parameter
Page is provided for user data that is typically stored in EEPROMs such as ID or revision numbers
and configuration parameters. The parameter page is separate from the main array allowing for much
faster erase times.
The Serial Peripheral Interface (SPI) consists of four pins (Serial Clock, Chip Select, Serial Data In
and Serial Data Out) that support high speed serial data transfers up to 50MHz. A Hold pin, Write
Protect pin and programmable write protect features provide further control flexibility. Additionally, the
device can be queried for manufacturer and device type.
The Winbond W25P80/16/32 are fully compatible with the previous NexFlash NX25P80/16/32 Serial
Flash memories.
2. FEATUR ES
8M / 16M / 32M-bit Serial Flash Memories
Family of Serial Flash Memories
– W25P80: 8M-bit/1M-byte (1,048,576)
– W25P16: 16M-bit/2M-byte (2,097,152)
– W25P32: 32M-bit/4M-byte (4,194,304)
– 256-bytes per programmable page
– Compatible 1M/2M/4M-bit devices
4-pin SPI Serial Interface
– Clock, Chip Select, Data In, Data Out
– Easily interfaces to popular microcontrollers
– Compatible with SPI Modes 0 and 3
– Optional Hold function for SPI flexibility
Low Power Consumption, Wide
Temperature Range
– Single 2.7 to 3.6V supply
– 4mA active current, 1A Power-down (typ)
– -40° to +85°C operating range
Fast and Flexible Serial Data Access
– Clock operation to 50MHz
– Auto-increment Read capability
– Manufacturer and device type ID
Programming Features
– Page program up to 256 bytes
in 3.5ms
– Sector Erase (64K-byte) 0.6 seconds
– 100,000 erase/write cycles
– Twenty-year data retention
Software and Hardware Write Protection
– Write-Protect all or portion of memory
– Enable/Disable protection with /WP pin
Parameter Page
– 256 Byte page for ID# revision# or
configuration data
– Separate from array, erase time <200ms
Space Saving Packaging
– 8-pin SOIC (W25P80 and W25P16)
– 16-pin SOIC (W25P16 and W25P32)
Ideal for systems with limited pins, space,
and power
– Controller-based serial code-download
– C systems storing data, text or voice
– Battery-operated and portable products
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