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Features

 Flexible 1.5V - 3.6V operating voltage

 131,072 x 8-bit SRAM organization

 Serial Peripheral Interface (SPI) mode

0 compatible

– Byte, Page and Sequential modes

– Supports Single, Dual and Quad

I/O read and write

– Fast operation: the whole memory

can be filled in 262158 or read

in 262159 cycles (Quad-I/O SPI,

Quad address mode)

– XHOLD and XWP pins

 8-bit Parallel Interface (Simplified 8080

and NAND FLASH Type Interface)

– Sequential read and write in 4 byte

blocks

– Fast operation, the whole memory

can be filled or read in 131077 cycles

 Integrated Video Display Controller with

Video DAC

– Supports NTSC and PAL video formats

– Fully configurable by user

– 9-bit Video DAC and 8x Video PLL

 High operating frequencies

– Up to 38 MHz for SPI

– Up to 40 MHz for 8-bit parallel interface

– Over 35 MHz for Video Display Controller

– (TBD) MHz for SRAM writes when

Video Display Controller enabled

 Active Low-power

– Read current 340 A at 1 MHz (Single

I/O, SO=0, TA=+85C, VDD=3.3V)

 Industrial temperature range

– -40C to + 85C

 Pb-Free and RoHS compliant

Description

The VLSI Solution VS23S010D-L is an easyto-

use and versatile serial SRAM device. The

memory is accessed via an SPI compatible

serial bus. The device also contains Video

Display Controller, which can be configured

to continuously output analog composite video

from the memory array data to implement a

video frame buffer.

Alternatively, a 8-bit parallel interface can be

used to access the SRAM instead of the SPI.

To sum up, there are four separate operating

modes in VS23S010D-L:

 SPI Single, Dual, or Quad operation and

4 General Purpose I/O pins

 SPI Single, Dual, or Quad operation and

simultaneous Video Display Controller

 8-bit Parallel Interface operation

 8-bit Parallel Interface operation and simultaneous

Video Display Controller