AT25SL641 datasheet(18/76 Pages) DIALOG

18 / 76 page

AT25SL641

DS-25SL641–113F–12/2018

Notes:

Data bytes are shifted with Most Significant Bit first. Byte fields with data in parenthesis “()” indicate data being read from the device

on the IO pin.

SR = status register, The Status Register contents and Device ID repeats continuously until CS terminates the instruction.

At least one byte of data input is required for Page Program, Quad Page Program and Program Security Register, up to 256 bytes

of data input. If more than 256 bytes of data are sent to the device, the addressing wraps to the beginning of the page and

overwrites previously sent data.

See Manufacturer and Device Identification table for Device ID information.

Dual Input Address

IO0 = A22, A20, A18, A16, A14, A12, A10, A8,

A6, A4, A2, A0, M6, M4, M2, M0

IO1 = A23, A21, A19, A17, A15, A13, A11, A9,

A7, A5, A3, A1, M7, M5, M3, M1

Dual Output data

IO0 = (D6, D4, D2, D0)

IO1 = (D7, D5, D3, D1)

Quad Input Address

Set Burst with Wrap Input

IO0 = A20, A16, A12, A8, A4, A0, M4, M0

IO0 = x, x, x, x, x, x, W4,

IO1 = A21, A17, A13, A9, A5, A1, M5, M1

IO1 = x, x, x, x, x, x, W5,

IO2 = A22, A18, A14, A10, A6, A2, M6, M2

IO2 = x, x, x, x, x, x, W6,

IO3 = A23, A19, A15, A11, A7, A3, M7, M3

IO3 = x, x, x, x, x, x, x

Read

Manufacturer/Device ID

(4)

90h

00h

00h or 01h

(MID7-

MID0)

(DID7-

DID0)

Read JEDEC ID

(4)

9Fh

(MID7-MID0)

Manufacturer

(D7-D0)

Memory

Type

(D7-D0)

Capacity

Type

Enter Security

B1h

Exit Security

C1h

Read Security Register

2Bh

(SC7-SC0)

(10)

Write Security Register

2Fh

Fast Read

Quad I/O(11)

>80 MHz

EBh

A23-A16

A15-A8

A7-A0

(M7-M0)

Dummy

(D7-D0)

>104 MHz

A23-A16

A15-A8

A7-A0

(M7-M0)

Dummy

(D7-D0)

up to 133

MHz

A23-A16

A15-A8

A7-A0

(M7-M0)

Dummy

(D7-D0)

Reset Enable

66h

Reset

99h

Disable QPI

FFh

Burst Read

with Wrap

>80 MHz

0Ch

A23-A16

A15-A8

A7-A0

Dummy

(D7-D0)

>104 MHz

A23-A16

A15-A8

A7-A0

Dummy

(D7-D0)

up to 133

MHz

A23-A16

A15-A8

A7-A0

Dummy

(D7-D0)

Quad Page Program

33h

A23-A16

A15-A8

A7-A0

(D7-D0)

Table 7-5.

Instruction Set Table 4 (QPI Instructions) (Continued)

Instruction Name

Byte 1

Byte 3

Byte 4

Byte 5

Byte 6

Byte 7

Byte 8

Byte 9

(Clock Number)

(0, 1)

(2, 3)

(4, 5)

(6, 7)

(8, 9)

(10, 11)

(12, 13)

(14, 15)

(16, 17)

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