SST25VF080B datasheet(19/28 Pages) SST

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Data Sheet

8 Mbit SPI Serial Flash

SST25VF080B

S71296-01-000

1/06

JEDEC Read-ID

The JEDEC Read-ID instruction identifies the device as

SST25VF080B and the manufacturer as SST. The device

information can be read from executing the 8-bit command,

9FH. Following the JEDEC Read-ID instruction, the 8-bit

manufacturer’s ID, BFH, is output from the device. After

that, a 16-bit device ID is shifted out on the SO pin. Byte 1,

BFH, identifies the manufacturer as SST. Byte 2, 25H, iden-

tifies the memory type as SPI Serial Flash. Byte 3, 8EH,

identifies the device as SST25VF080B. The instruction

sequence is shown in Figure 19. The JEDEC Read ID

instruction is terminated by a low to high transition on CE#

at any time during data output.

FIGURE 19: JEDEC READ-ID SEQUENCE

1296 JEDECID.1

CE#

SCK

012345678

HIGH IMPEDANCE

15 16

28 29 30 31

MODE 3

MODE 0

MSB

9 10111213

1718

19 20 21 22 23

24 25 26 27

TABLE

6: JEDEC READ-ID DATA

Manufacturer’s ID

Device ID

Memory Type

Memory Capacity

Byte1

Byte 2

Byte 3

BFH

25H

8EH

T6.0 1296

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