Datasheet > CY7C1510KV18-250BZI

CY7C1510KV18-250BZI

更新时间： 2024-11-24 06:51:43

品牌	Logo	应用领域
赛普拉斯 - CYPRESS		静态存储器
页数	文件大小	规格书
30页	815K
描述
72-Mbit QDR-II SRAM 2-Word Burst Architecture

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CY7C1510KV18, CY7C1525KV18

CY7C1512KV18, CY7C1514KV18

72-Mbit QDR™-II SRAM 2-Word

Burst Architecture

Features

Configurations

■ Separate Independent Read and Write Data Ports

❐ Supports concurrent transactions

CY7C1510KV18 – 8M x 8

CY7C1525KV18 – 8M x 9

CY7C1512KV18 – 4M x 18

CY7C1514KV18 – 2M x 36

■ 333 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 666 MHz) at 333 MHz

Functional Description

The CY7C1510KV18, CY7C1525KV18, CY7C1512KV18, and

CY7C1514KV18 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 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 “turnaround” the data bus that exists with common

I/O devices. Access to each port is through a common address

bus. Addresses for read and write addresses are latched on

alternate rising edges of the input (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 DDR interfaces. Each address location is

associated with two 8-bit words (CY7C1510KV18), 9-bit words

(CY7C1525KV18), 18-bit words (CY7C1512KV18), or 36-bit

words (CY7C1514KV18) 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 turnarounds.

■ 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

■ QDR™-II operates with 1.5 Cycle Read Latency when DOFF

is asserted HIGH

■ Operates similar to QDR-I Device with 1 Cycle Read Latency

when DOFF is asserted LOW

■ Available in x8, x9, x18, and x36 Configurations

■ Full Data Coherency, providing Most Current Data

Depth expansion is accomplished with port selects, which

enables each port to operate independently.

■ Core V_DD= 1.8V (±0.1V); IO V_DDQ= 1.4V to V_DD

❐ Supports both 1.5V and 1.8V IO supply

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.

■ 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

■ Phase Locked Loop (PLL) for Accurate Data Placement

Table 1. Selection Guide

Description

333 MHz

333

300 MHz

300

250 MHz

250

200 MHz

200

167 MHz

167

Unit

MHz

Maximum Operating Frequency

Maximum Operating Current

790

730

640

540

480

790

730

640

540

480

x18

x36

810

750

650

550

490

990

910

790

660

580

Cypress Semiconductor Corporation

Document Number: 001-00436 Rev. *E

•

198 Champion Court

•

San Jose, CA 95134-1709

•

408-943-2600

Revised March 30, 2009

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与CY7C1510KV18-250BZI相关器件

型号	品牌	获取价格	描述	数据表
CY7C1510KV18-250BZXC	CYPRESS	获取价格	72-Mbit QDR-II SRAM 2-Word Burst Architecture
CY7C1510KV18-250BZXI	CYPRESS	获取价格	72-Mbit QDR-II SRAM 2-Word Burst Architecture
CY7C1510KV18-300BZC	CYPRESS	获取价格	72-Mbit QDR-II SRAM 2-Word Burst Architecture
CY7C1510KV18-300BZI	CYPRESS	获取价格	72-Mbit QDR-II SRAM 2-Word Burst Architecture
CY7C1510KV18-300BZXC	CYPRESS	获取价格	72-Mbit QDR-II SRAM 2-Word Burst Architecture
CY7C1510KV18-300BZXI	CYPRESS	获取价格	72-Mbit QDR-II SRAM 2-Word Burst Architecture
CY7C1510KV18-333BZC	CYPRESS	获取价格	72-Mbit QDR-II SRAM 2-Word Burst Architecture
CY7C1510KV18-333BZI	CYPRESS	获取价格	72-Mbit QDR-II SRAM 2-Word Burst Architecture
CY7C1510KV18-333BZXC	CYPRESS	获取价格	72-Mbit QDR-II SRAM 2-Word Burst Architecture
CY7C1510KV18-333BZXI	CYPRESS	获取价格	72-Mbit QDR-II SRAM 2-Word Burst Architecture

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