©2011 Silicon Storage Technology, Inc.

S71327-04-000

02/11

3

32 Mbit SPI Serial Flash

SST25VF032B

Data Sheet

A Microchip Technology Company

Block Diagram

Figure 1: Functional Block Diagram

1327 B1.0

I/O Buffers

and

Data Latches

SuperFlash

Memory

X - Decoder

Control Logic

Address

Buffers

and

Latches

CE#

Y - Decoder

SCK

SI

SO

WP#

HOLD#

Serial Interface

Note: In AAI mode, the SO pin can act as a RY/BY# pin when configured as a ready/busy status pin. See “End-of-Write

Detection” on page 12. for details