IS25LEG-RGLA2:P-TY datasheet(117/193 Pages) ISSI

부품명	IS25LEG-RGLA2:P-TY

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

PDF	193 Pages

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IS25LE01GG

IS25WE01GG

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

117

Rev. A3

10/02/2025

8.33 READ PRODUCT IDENTIFICATION BY JEDEC ID OPERATION (RDJDID, 9Fh; RDJDIDQ, AFh)

The JEDEC ID READ instruction allows the user to read the manufacturer and product ID of devices. Refer to Table

8.8 Product Identification for Manufacturer ID and Device ID. After the JEDEC ID READ command (9Fh in SPI

mode, AFh in QPI mode) is input, the Manufacturer ID is shifted out MSB first followed by the 2-byte electronic ID

(ID15-ID0) that indicates Memory Type and Capacity, one bit at a time. Each bit is shifted out during the falling

edge of SCK. If CE# stays low after the last bit of the 2-byte electronic ID, the Manufacturer ID and 2-byte electronic

ID will loop until CE# is pulled high.

Figure 8.72 Read Product Identification by JEDEC ID Read Sequence in SPI mode

Instruction = 9Fh

Memory Type

(ID15-ID8)

CE#

SCK

Capacity

(ID7-ID0)

...

Mode 3

Mode 0

Manufacturer ID

(MF7-MF0)

Figure 8.73 RDJDID and RDJDIDQ (Read JEDEC ID) Sequence In QPI Mode

9Fh/AFh

CE#

SCK

IO[3:0]

Mode 3

Mode 0

7:4

3:0

7:4

3:0

7:4

3:0

MF7-MF0

ID15-ID8

ID7-ID0

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