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3V, 256M-BIT T25S256
KH25L25645G is 256Mb bits Serial NOR Flash memory, which is configured as 33,554,432 x 8 internally. When it is
in two or four I/O mode, the structure becomes 134,217,728 bits x 2 or 67,108,864 bits x 4.
KH25L25645G features a serial peripheral interface and software protocol allowing operation on a simple 3-wire
bus while it is in single I/O mode. The three bus signals are a clock input (SCLK), a serial data input (SI), and a
serial data output (SO). Serial access to the device is enabled by CS# input.
When it is in two I/O read mode, the SI pin and SO pin become SIO0 pin and SIO1 pin for address/dummy bits
input and data output. When it is in four I/O read mode, the SI pin, SO pin, and WP# pin become SIO0 pin, SIO1
pin, and SIO2 pin for address/dummy bits input and data output.
The KH25L25645G MXSMIO®
(Serial Multi I/O) provides sequential read operation on the whole chip.
After program/erase command is issued, auto program/erase algorithms which program/erase and ve