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Numéro de référence | VS23S010C-S | ||
Description | 1 Megabit SPI SRAM | ||
Fabricant | VLSI | ||
Logo | |||
VS23S010C-S Datasheet
VS23S010C-S - 1 Megabit SPI SRAM
with Dual-I/O and Quad-I/O
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 mem-
ory can be filled in 262158 or read
in 262159 cycles (Quad-I/O SPI,
Quad address mode)
XCS
SO/IO1
XWP/IO2
GND
1
2
3
4
8 VCC
7 XHOLD/IO3
6 SCLK
5 SI/IO1
Figure 1: SOIC8 narrow package, compatible
with standard pin out (not to scale).
Operating Modes
– XHOLD and XWP pins
• High operating frequencies
– Up to 36 MHz for SPI
• Active Low-power
– Read current 200 µA at 1 MHz (Sin-
gle I/O, SO=0, TA=+85◦C, VDD=3.3V)
• Industrial temperature range
– -40◦C to + 85◦C
• Pb-Free and RoHS compliant
1,048,576 bit
(128K x 8)
SRAM
Array
Description
The VLSI Solution VS23S010C-S is an easy-
to-use and versatile serial SRAM device. The
memory is accessed via an SPI compatible
serial bus.
Applications
• Microcontroller RAM extension
• VoIP and internet data stream buffer
• Audio data buffer
SPI
Serial Interface
Figure 2: VS23S010C-S blocks
In SPI mode SRAM and control registers can
be accessed. Dual-I/O and Quad-I/O modes
are used only for SRAM read and write.
Following are connection examples for differ-
ent operating modes. Some I/Os of VS23S010C-
S are unconnected, because they have inter-
nal pull-up or pull-down resistors. Note also,
Version: 0.9 [Preliminary], 2015-01-16
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Pages | Pages 30 | ||
Télécharger | [ VS23S010C-S ] |
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