VS23S010C-S Datasheet
PRELIMINARY
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 memory 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.
1 Megabit SPI SRAM
VS23S010C-S Datasheet
PRELIMINARY
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 memory 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 (Single 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 easyto-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 different operating modes. Some I/Os of VS23S010CS are unconnected, because they have internal pull-up or pull-down resistors. Note also,
Version:.