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Integrated Silicon Solution Electronic Components Datasheet

IS65WVS2568GALL Datasheet

256K x 8 LOW VOLTAGE FAST SERIAL SRAM

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IS62/65WVS2568GALL
IS62/65WVS2568GBLL
256Kx8 LOW VOLTAGE, FAST SERIAL SRAM
with SPI, SDI and SQI INTERFACE
MAY 2018
KEY FEATURES
SPI-Compatible Bus Interface:
- 30/45 MHz Clock rate
- SPI/SDI/SQI mode
Single Power Supply:
- VDD = 1.65V - 2.2V (IS62/65WVS2568GALL)
- VDD = 2.70V - 3.6V (IS62/65WVS2568GBLL)
Read Latency:
- SPI mode: 8 clocks
- DPI mode: 4 clocks
- QPI mode: 2 clocks
Low-Power CMOS Technology:
- Read Current: 10 mA(max) at 3.6V, 45 MHz, 85°C
- CMOS Standby Current: 4 A(typ)
512K x 8-bit Organization:
- 32-byte page
Byte, Page and Sequential mode for Reads and Writes
Temperature Ranges Supported:
- Industrial (I):
-40C to +85C
- Automotive (A3): -40C to +125C
RoHS Compliant
- 8-pin SOIC, 8-pin TSSOP, and 24-ball TFBGA
packages
DESCRIPTION
The ISSI IS62/65WVS2568GALL/GBLL are 2M bit Fast
Serial static RAMs organized as 256K bytes by 8 bits. It
is fabricated using ISSI's high-performance CMOS
technology.
The device is accessed via a simple Serial Peripheral
Interface (SPI) compatible serial bus. The bus signals
required are a clock input (SCK) plus separate data
in (SI) and data out (SO) lines. Access the device is
controlled through a Chip Select (CS#) input.
Additionally, SDI (Serial Dual Interface) and SQI
(Serial Quad Interface) is supported if your application
needs faster data rates.
This device also supports unlimited reads and writes to
the memory array.
The IS62/65WVS2568GALL/GBLL are available in the
standard packages including 8-pin SOIC, 8-pin TSSOP
and 24-ball TFBGA (6mm x 8mm).
Copyright © 2018 Integrated Silicon Solution, Inc. All rights reserved. ISSI reserves the right to make changes to this specification and its products at any time
without notice. ISSI assumes no liability arising out of the application or use of any information, products or services described herein. Customers are advised to
obtain the latest version of this device specification before relying on any published information and before placing orders for products.
Integrated Silicon Solution, Inc. does not recommend the use of any of its products in life support applications where the failure or malfunction of the product can
reasonably be expected to cause failure of the life support system or to significantly affect its safety or effectiveness. Products are not authorized for use in such
applications unless Integrated Silicon Solution, Inc. receives written assurance to its satisfaction, that:
a.) the risk of injury or damage has been minimized;
b.) the user assume all such risks; and
c.) potential liability of Integrated Silicon Solution, Inc is adequately protected under the circumstances
Integrated Silicon Solution, Inc.- www.issi.com
Rev. A2
05/16/2018
1


Integrated Silicon Solution Electronic Components Datasheet

IS65WVS2568GALL Datasheet

256K x 8 LOW VOLTAGE FAST SERIAL SRAM

No Preview Available !

IS62/65WVS2568GALL
IS62/65WVS2568GBLL
BLOCK DIAGRAM
Control Logic
CS#
SCK
SI
(SIO0)
SO
(SIO1)
DNU
(SIO2)
HOLD#
(SIO3)
Status
Register
Address Latch&
Counter
X
Decoder
I/O Buffers and
Data Latches
Y- Decoder
Memory Array
256Kb x 8
Integrated Silicon Solution, Inc.- www.issi.com
Rev. A2
05/16/2018
2


Part Number IS65WVS2568GALL
Description 256K x 8 LOW VOLTAGE FAST SERIAL SRAM
Maker ISSI
Total Page 26 Pages
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