Zetta ZD25D40
The 25D40/20 is a 4 Megabit (512K-byte) / 2 Megabit (256K-byte) Serial Flash memory, with advanced write protection mechanisms. The 25D40/20 supports the standard Serial Peripheral Interface (SPI), and a high performance Dual output using SPI pins: Serial Clock, Chip Select, Serial DIO, DO, WP#.
| Part No. |
ZD25D40 |
| Datasheet |
ZD25D40
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| Manufacturer |
 Zetta |
| Description |
4 Megabit Serial Flash Memory |
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FEATURES
Single power supply operation - Full voltage range: 2.7-3.6 volt 4 Mbit Serial Flash - 4 M-bit/512 K-byte, 2 M-bit/256 K-byte - 256 bytes per programmable page - Uniform 4K-byte Sectors/64K-byte Blocks Standard and Dual - Standard SPI: CLK, CS#, DI, DO, WP#, - Dual SPI: CLK, CS#, DIO, DO, WP#, - Fast Read Dual Output instruction - Auto-increment Read capability High performance - 85MHz clock rate for one data bit - 80MHz clock rate for two data bits Low power consumption - 8 mA typical active current - 1 uA typical power down current Flexible Architecture with 4KB sectors - Sector Erase (4K-bytes) - Block Erase (64K-bytes) - Page Program up to 256 bytes - More than 100K erase/write cycles - More than 20-year data retention Software and Hardware Write Protection: - Write Protect all or portion of memory via software - Enable/Disable protection with WP# pin High performance program/erase speed - Page program time: 0.9ms typical - Sector erase time: 50ms typical - Block erase tim...
