IS25LE128E-RGLA3:P-TY datasheet(116/197 Pages) ISSI

부품명	IS25LE128E-RGLA3:P-TY

상세설명	SERIAL FLASH MEMORY 133/166MHZ MULTI I/O SPI & QUAD I/O QPI DTR INTERFACE WITH ON-CHIP ECC

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IS25LE256E/128E

IS25WE256E/128E

Integrated Silicon Solution, Inc.- www.issi.com

116

Rev.A9

03/07/2023

8.31 READ PRODUCT IDENTIFICATION (RDID, ABh)

The Release from Power-down/Read Device ID instruction is a multi-purpose instruction. It can support both SPI

and QPI modes. The Read Product Identification (RDID) instruction is for reading out the old style of 8-bit Electronic

Signature, whose values are shown as the table of Product Identification.

The RDID instruction code is followed by three dummy bytes, each bit being latched-in on SI during the rising SCK

edge. Then the Device ID is shifted out on SO with the MSB first, each bit been shifted out during the falling edge

of SCK. The RDID instruction is ended by driving CE# high. The Device ID (ID7-ID0) outputs repeatedly if additional

clock cycles are continuously sent to SCK while CE# is at low.

Table 8.8 Product Identification

Manufacturer ID

(MF7-MF0)

ISSI Serial Flash

9Dh

Instruction

ABh

90h

9Fh

Part Number

Device ID (ID7-ID0)

Memory Type + Capacity

(ID15-ID0)

IS25LE256E

18h

6019h

IS25WE256E

18h

7019h

IS25LE128E

17h

6018h

IS25WE128E

17h

7018h

Figure 8.69 Read Product Identification Sequence

Device ID

(ID7-ID0)

Data Out

...

Instruction = ABh

CE #

SCK

...

Mode 3

Mode 0

3 Dummy Bytes

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