Cypress Semiconductor CY7C1410AV18 Specification Sheet

Download Specification sheet of Cypress Semiconductor CY7C1410AV18 Computer Hardware for Free or View it Online on All-Guides.com. This version of Cypress Semiconductor CY7C1410AV18 Manual compatible with such list of devices, as: CY7C1410AV18, CY7C1412AV18, CY7C1414AV18, CY7C1425AV18

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36-Mbit QDR™-II SRAM 2-Word
Burst Architecture
CY7C1410AV18, CY7C1425AV18
CY7C1412AV18, CY7C1414AV18
Cypress Semiconductor Corporation 198 Champion Court San Jose, CA 95134-1709 408-943-2600
Document #: 38-05615 Rev. *E Revised June 13, 2008
Features
Separate independent read and write data ports
Supports concurrent transactions
250 MHz clock for high bandwidth
2-word burst on all accesses
Double Data Rate (DDR) interfaces on both read and write ports
(data transferred at 500 MHz) at 250 MHz
Two input clocks (K and K) for precise DDR timing
SRAM uses rising edges only
Two input clocks for output data (C and C) to minimize clock
skew and flight time mismatches
Echo clocks (CQ and CQ) simplify data capture in high-speed
systems
Single multiplexed address input bus latches address inputs
for both read and write ports
Separate port selects for depth expansion
Synchronous internally self-timed writes
Available in x8, x9, x18, and x36 configurations
Full data coherency, providing most current data
Core V
DD
= 1.8V (±0.1V); IO V
DDQ
= 1.4V to V
DD
Available in 165-Ball FBGA package (15 x 17 x 1.4 mm)
Offered in both Pb-free and non Pb-free packages
Variable drive HSTL output buffers
JTAG 1149.1 compatible test access port
Delay Lock Loop (DLL) for accurate data placement
Configurations
CY7C1410AV18 – 4M x 8
CY7C1425AV18 – 4M x 9
CY7C1412AV18 – 2M x 18
CY7C1414AV18 – 1M x 36
Functional Description
The CY7C1410AV18, CY7C1425AV18, CY7C1412AV18, and
CY7C1414AV18 are 1.8V Synchronous Pipelined SRAMs,
equipped with QDR-II architecture. QDR-II architecture consists
of two separate ports: the read port and the write port to access
the memory array. The read port has data outputs to support read
operations and the write port has data inputs to support write
operations. QDR-II architecture has separate data inputs and
data outputs to completely eliminate the need to “turn-around”
the data bus required with common IO devices. Access to each
port is accomplished through a common address bus. The read
address is latched on the rising edge of the K clock and the write
address is latched on the rising edge of the K
clock. Accesses to
the QDR-II read and write ports are completely independent of
one another. To maximize data throughput, both read and write
ports are provided with DDR interfaces. Each address location
is associated with two 8-bit words (CY7C1410AV18), 9-bit words
(CY7C1425AV18), 18-bit words (CY7C1412AV18), or 36-bit
words (CY7C1414AV18) that burst sequentially into or out of the
device. Because data can be transferred into and out of the
device on every rising edge of both input clocks (K and K
and C
and C
), memory bandwidth is maximized while simplifying
system design by eliminating bus “turn-arounds.”
Depth expansion is accomplished with port selects, which
enables each port to operate independently.
All synchronous inputs pass through input registers controlled by
the K or K
input clocks. All data outputs pass through output
registers controlled by the C or C (or K or K in a single clock
domain) input clocks. Writes are conducted with on-chip
synchronous self-timed write circuitry.
Selection Guide
Description 250 MHz 200 MHz 167 MHz Unit
Maximum Operating Frequency 250 200 167 MHz
Maximum Operating Current x8 800 700 620 mA
x9 800 700 620
x18 850 725 650
x36 1000 850 740
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