參數(shù)資料
型號(hào)： CY7C1312BV18
廠商： Cypress Semiconductor Corp.
英文描述： 18-Mbit QDR-II SRAM 2-Word Burst Architecture(18-Mb QDR-II SRAM（2-Word Burst結(jié)構(gòu)）)
中文描述： 18兆位QDR - II型SRAM的2字突發(fā)架構(gòu)（18 - MB的QDR - II型的SRAM（2字突發(fā)結(jié)構(gòu)））
文件頁(yè)數(shù)： 1/28頁(yè)
文件大?。?/td> 1073K
代理商： CY7C1312BV18
CY7C1310BV18
CY7C1910BV18
CY7C1312BV18
CY7C1314BV18
18-Mbit QDR-II SRAM 2 Word
Burst Architecture
Cypress Semiconductor Corporation
Document #: 38-05619 Rev. *E
198 Champion Court
San Jose
,
CA 95134-1709
408-943-2600
Revised July 15, 2007
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) @ 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 x 8, x 9, x 18, and x 36 configurations
■
Full data coherency, providing most current data
■
Core V
DD
= 1.8V (±0.1V); I/O V
DDQ
= 1.4V to V
DD
■
Available in 165 ball FBGA package (13 x 15 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
CY7C1310BV18 – 2M x 8
CY7C1910BV18 – 2M x 9
CY7C1312BV18 – 1M x 18
CY7C1314BV18 – 512K x 36
Selection Guide
Functional Description
The CY7C1310BV18, CY7C1910BV18, CY7C1312BV18, and
CY7C1314BV18 are 1.8V Synchronous Pipelined SRAMs,
equipped with QDR-II architecture. QDR-II architecture
consists of two separate ports to access the memory array. The
read port has dedicated Data Outputs to support read operations
and the Write Port has dedicated 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 equipped with Double Data Rate (DDR) interfaces.
Each address location is associated with two 8-bit words
(CY7C1310BV18), 9-bit words (CY7C1910BV18), 18-bit words
(CY7C1312BV18), or 36-bit words (CY7C1314BV18) that burst
sequentially into or out of the device. Since data is transferred
into and out of the device on every rising edge of both input
clocks (K and K and C and C), maximize the memory bandwidth
while
simplifying
system
design
“turn-arounds.”
Depth expansion is accomplished with Port Selects for each port.
Port selects enable 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.
by
eliminating
bus
250 MHz
250
600
200 MHz
200
550
167 MHz
167
500
Unit
MHz
mA
Maximum Operating Frequency
Maximum Operating Current
相關(guān)PDF資料
PDF描述
CY7C1327F-100AC 4-Mb (256K x 18) Pipelined Sync SRAM
CY7C1327F-225AC 4-Mb (256K x 18) Pipelined Sync SRAM
CY7C1327F-225AI 4-Mb (256K x 18) Pipelined Sync SRAM
CY7C1327F-225BGC 4-Mb (256K x 18) Pipelined Sync SRAM
CY7C1327F-225BGI 4-Mb (256K x 18) Pipelined Sync SRAM
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CY7C1312BV18-1678ZCES 制造商:Cypress Semiconductor 功能描述:
CY7C1312BV18-167BZC 功能描述:靜態(tài)隨機(jī)存取存儲(chǔ)器 1Mx18 1.8V COM QDR II 靜態(tài)隨機(jī)存取存儲(chǔ)器 RoHS:否 制造商:Cypress Semiconductor 存儲(chǔ)容量:16 Mbit 組織:1 M x 16 訪問(wèn)時(shí)間:55 ns 電源電壓-最大:3.6 V 電源電壓-最小:2.2 V 最大工作電流:22 uA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSOP-48 封裝:Tray
CY7C1312BV18-167BZCT 功能描述:靜態(tài)隨機(jī)存取存儲(chǔ)器 1Mx18 1.8V COM QDR II 靜態(tài)隨機(jī)存取存儲(chǔ)器 RoHS:否 制造商:Cypress Semiconductor 存儲(chǔ)容量:16 Mbit 組織:1 M x 16 訪問(wèn)時(shí)間:55 ns 電源電壓-最大:3.6 V 電源電壓-最小:2.2 V 最大工作電流:22 uA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSOP-48 封裝:Tray
CY7C1312BV18-167BZI 功能描述:靜態(tài)隨機(jī)存取存儲(chǔ)器 1Mx18 1.8V DDR II 靜態(tài)隨機(jī)存取存儲(chǔ)器 RoHS:否 制造商:Cypress Semiconductor 存儲(chǔ)容量:16 Mbit 組織:1 M x 16 訪問(wèn)時(shí)間:55 ns 電源電壓-最大:3.6 V 電源電壓-最小:2.2 V 最大工作電流:22 uA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSOP-48 封裝:Tray
CY7C1312BV18-200BZC 功能描述:靜態(tài)隨機(jī)存取存儲(chǔ)器 1Mx18 1.8V COM QDR II 靜態(tài)隨機(jī)存取存儲(chǔ)器 RoHS:否 制造商:Cypress Semiconductor 存儲(chǔ)容量:16 Mbit 組織:1 M x 16 訪問(wèn)時(shí)間:55 ns 電源電壓-最大:3.6 V 電源電壓-最小:2.2 V 最大工作電流:22 uA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSOP-48 封裝:Tray
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