SST25VF512-20-4C-SA(2005) View Datasheet(PDF) - Silicon Storage Technology
Part Name
Description
Manufacturer
SST25VF512-20-4C-SA Datasheet PDF : 23 Pages
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Data Sheet
Read-ID
The Read-ID instruction identifies the device as
SST25VF512 and manufacturer as SST. The device infor-
mation can be read from executing an 8-bit command, 90H
or ABH, followed by address bits [A23-A0]. Following the
Read-ID instruction, the manufacturer’s ID is located in
512 Kbit SPI Serial Flash
SST25VF512
address 00000H and the device ID is located in address
00001H. Once the device is in Read-ID mode, the manu-
facturer’s and device ID output data toggles between
address 00000H and 00001H until terminated by a low to
high transition on CE#.
CE#
MODE 3 0 1 2 3 4 5 6 7 8
15 16
23 24 31 32 39 40 47 48 55 56
63
SCK MODE 0
SI
90 or AB
00
00
ADD1
MSB
MSB
HIGH
HIGH IMPEDANCE
SO
BF Device ID BF Device ID IMPEDANCE
MSB
Note: The manufacturer's and device ID output stream is continuous until terminated by a low to high transition on CE#.
1. 00H will output the manfacturer's ID first and 01H will output device ID first before toggling between the two.
1192 F19.15
FIGURE 14: READ-ID SEQUENCE
©2005 Silicon Storage Technology, Inc.
14
S71192-08-000
11/05
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