SST25VF020-20-4I-SAE-T Microchip Technology, SST25VF020-20-4I-SAE-T Datasheet - Page 15

• Manufacturer Part Number: SST25VF020-20-4I-SAE-T
• Description: 2.7V To 3.6V 2Mbit SPI Serial Flash 8 SOIC 3.90mm (.150") T/R
• Manufacturer: Microchip Technology

Specifications of SST25VF020-20-4I-SAE-T

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 2M (256K x 8)
• Speed: 20MHz
• Interface: SPI Serial
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2 Mbit SPI Serial Flash
SST25VF020
Read-ID
The Read-ID instruction identifies the device as
SST25VF020 and manufacturer as SST. The device infor-
mation can be read from executing an 8-bit command, 90H
or ABH, followed by address bits [A
Read-ID instruction, the manufacturer’s ID is located in
©2006 Silicon Storage Technology, Inc.
FIGURE 15: Read-ID Sequence
SCK
CE#
SO
SI
Note: The manufacturer's and device ID output stream is continuous until terminated by a low to high transition on CE#.
MODE 3
MODE 0
1. 00H will output the manfacturer's ID first and 01H will output device ID first before toggling between the two.
MSB
0 1 2 3 4 5 6 7 8
90 or AB
HIGH IMPEDANCE
23
-A
0
]. Following the
00
15 16
00
23 24
MSB
15
ADD
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#.
31 32
1
MSB
BF
39 40
Device ID
47 48
BF
55 56
Device ID
63
IMPEDANCE
1231 F14.1
S71231-07-000
HIGH
Data Sheet
10/06