A25GFO080QL datasheet(23/58 Pages) AMICC

tên linh kiện	A25GFO080QL

Giải thích chi tiết về linh kiện	8Mbit, 3V Suspend/Resume, Dual/Quad-I/O Serial Flash Memory

PDF	58 Pages

Scroll/Zoom	100%

nhà sản xuất	AMICC [AMIC Technology]

Trang chủ	http://www.amictechnology.com

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23 / 58 page

A25LQ080 Series

(April, 2016, Version 1.0)

AMIC Technology Corp.

Read Data Bytes at Higher Speed by Quad Input and Quad Output (FAST_READ_QUAD_INPUT_OUTPUT)

The

FAST_READ_QUAD_INPUT_OUTPUT

(EBh)

instruction is similar to the FAST_READ (0Bh) instruction

except the data is input and output on four pins (IO3, IO2, IO1,

IO0) instead of just DO. This allows data to be transferred

from the A25LQ080 at quadruple the rate of standard SPI

devices. The Quad Enable bit (QE) of Status Register-2 must

be set to enable the FAST_READ_QUAD_INPUT_OUTPUT

Instruction.

Similar

the

FAST_READ

instruction,

the

FAST_READ_QUAD_INPUT_OUTPUT

instruction

can

operate at the highest possible frequency of fC (See AC

Characteristics).

Figure 12. FAST_READ_QUAD_INPUT_OUTPUT Instruction and Data-Out Sequence

Instruction (EBh)

810

234

20 16 12 8 40

IO0

IO1

11 12 13 14 15 16 17 18 19 20 21 22 23

4 04 0

21 17 13 9 51

5 15 1

22 18 14 10 62

6 26 2

23 19 15 11 73

7 37 3

A23-16 A15-8 A7-0 Dummy Dummy Dummy Data out 1 Data out 2

IO Switches from

Input to Output

IO2

IO3

Note: Address bits A23 to A20 are Don’t Care, for A25LQ080.

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