SST39CF200A-90-4C-UK 데이터 시트보기 (PDF) - Silicon Storage Technology

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SST39CF200A-90-4C-UK

2 Mbit / 4 Mbit / 8 Mbit (x16) Multi-Purpose Flash

Silicon Storage Technology 

2 Mbit / 4 Mbit / 8 Mbit Multi-Purpose Flash

SST39LF200A / SST39LF400A / SST39LF800A

SST39VF200A / SST39VF400A / SST39VF800A

Data Sheet

Product Identification

The Product Identification mode identifies the devices as

the SST39LF/VF200A, SST39LF/VF400A and SST39LF/

VF800A and manufacturer as SST. This mode may be

accessed by software operations. Users may use the

Software Product Identification operation to identify the part

(i.e., using the device ID) when using multiple

manufacturers in the same socket. For details, see Table 4

for software operation, Figure 11 for the Software ID Entry

and Read timing diagram, and Figure 18 for the Software

ID Entry command sequence flowchart.

TABLE 1: PRODUCT IDENTIFICATION TABLE

Manufacturer’s ID

Device ID

SST39LF/VF200A

SST39LF/VF400A

SST39LF/VF800A

Address

0000H

Data

00BFH

0001H

0001H

0001H

2789H

2780H

2781H

T1.3 360

Product Identification Mode Exit/

CFI Mode Exit

In order to return to the standard Read mode, the Software

Product Identification mode must be exited. Exit is accom-

plished by issuing the Software ID Exit command

sequence, which returns the device to the Read mode.

This command may also be used to reset the device to the

Read mode after any inadvertent transient condition that

apparently causes the device to behave abnormally, e.g.,

not read correctly. Please note that the Software ID Exit/

CFI Exit command is ignored during an internal Program or

Erase operation. See Table 4 for software command

codes, Figure 13 for timing waveform and Figure 18 for a

flowchart.

©2001 Silicon Storage Technology, Inc.

4

S71117-04-000 6/01 360

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