Datasheet > CY7C1545KV18-450BZXI

CY7C1545KV18-450BZXI

更新时间： 2024-11-24 19:44:51

品牌	Logo	应用领域
赛普拉斯 - CYPRESS		时钟静态存储器内存集成电路
页数	文件大小	规格书
30页	576K
描述
QDR SRAM, 2MX36, 0.45ns, CMOS, PBGA165, 13 X 15 MM, 1.40 MM HEIGHT, LEAD FREE, MO-216, FBGA-165

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CY7C1545KV18-450BZXI 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	BGA
包装说明：	LBGA, BGA165,11X15,40	针数：	165
Reach Compliance Code：	compliant	ECCN代码：	3A991.B.2.A
HTS代码：	8542.32.00.41	Factory Lead Time：	1 week
风险等级：	2.12	最长访问时间：	0.45 ns
其他特性：	PIPELINED ARCHITECTURE	最大时钟频率 (fCLK)：	450 MHz
I/O 类型：	SEPARATE	JESD-30 代码：	R-PBGA-B165
JESD-609代码：	e1	长度：	15 mm
内存密度：	75497472 bit	内存集成电路类型：	QDR SRAM
内存宽度：	36	湿度敏感等级：	3
功能数量：	1	端子数量：	165
字数：	2097152 words	字数代码：	2000000
工作模式：	SYNCHRONOUS	最高工作温度：	85 °C
最低工作温度：	-40 °C	组织：	2MX36
输出特性：	3-STATE	封装主体材料：	PLASTIC/EPOXY
封装代码：	LBGA	封装等效代码：	BGA165,11X15,40
封装形状：	RECTANGULAR	封装形式：	GRID ARRAY, LOW PROFILE
并行/串行：	PARALLEL	峰值回流温度（摄氏度）：	260
电源：	1.5/1.8,1.8 V	认证状态：	Not Qualified
座面最大高度：	1.4 mm	最大待机电流：	0.34 A
最小待机电流：	1.7 V	子类别：	SRAMs
最大压摆率：	1.1 mA	最大供电电压 (Vsup)：	1.9 V
最小供电电压 (Vsup)：	1.7 V	标称供电电压 (Vsup)：	1.8 V
表面贴装：	YES	技术：	CMOS
温度等级：	INDUSTRIAL	端子面层：	Tin/Silver/Copper (Sn/Ag/Cu)
端子形式：	BALL	端子节距：	1 mm
端子位置：	BOTTOM	处于峰值回流温度下的最长时间：	30
宽度：	13 mm	Base Number Matches：	1

CY7C1545KV18-450BZXI 数据手册

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CY7C1543KV18

CY7C1545KV18

72-Mbit QDR II+ SRAM Four-Word

Burst Architecture (2.0 Cycle Read Latency)

72-Mbit QDR^®II+ SRAM Four-Word Burst Architecture (2.0 Cycle Read Latency)

Features

Configurations

■ Separate independent read and write data ports

❐ Supports concurrent transactions

With Read Cycle Latency of 2.0 cycles:

CY7C1543KV18 – 4M × 18

■ 450 MHz clock for high bandwidth

CY7C1545KV18 – 2M × 36

■ Four-word burst for reducing address bus frequency

Functional Description

■ DoubleDataRate(DDR)interfacesonbothreadandwriteports

The CY7C1543KV18 and CY7C1545KV18 are 1.8V

Synchronous Pipelined SRAMs, equipped with QDR II+

architecture. Similar to 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 “turn-around” the data bus that

exists with common IO devices. Each port is accessed 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 four 18-bit words

(CY7C1543KV18), or 36-bit words (CY7C1545KV18) that burst

sequentially into or out of the device. Because data is transferred

into and out of the device on every rising edge of both input

clocks (K and K), memory bandwidth is maximized while

simplifying system design by eliminating bus “turn-arounds”.

(data transferred at 900 MHz) at 450 MHz

■ Available in 2.0 clock cycle latency

■ Two input clocks (K and K) for precise DDR timing

❐ SRAM uses rising edges only

■ Echo clocks (CQ and CQ) simplify data capture in high speed

systems

■ Data valid pin (QVLD) to indicate valid data on the output

■ Single multiplexed address input bus latches address inputs

for read and write ports

■ Separate port selects for depth expansion

■ Synchronous internally self-timed writes

■ QDR^®II+ operates with 2.0 cycle read latency when DOFF is

asserted HIGH

■ OperatessimilartoQDRIdevicewith1cyclereadlatencywhen

DOFF is asserted LOW

■ Available in × 18, and × 36 configurations

■ Full data coherency, providing most current data

Depth expansion is accomplished with port selects, which

enables each port to operate independently.

[1]

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

❐ Supports both 1.5 V and 1.8 V 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 K or K input clocks. Writes are

conducted with on-chip synchronous self-timed write circuitry.

■ HSTL inputs and variable drive HSTL output buffers

■ Available in 165-ball FBGA package (13 × 15 × 1.4 mm)

■ Offered in both Pb-free and non Pb-free packages

■ JTAG 1149.1 compatible test access port

For a complete list of related documentation, click here.

■ Phase-Locked Loop (PLL) for accurate data placement

Selection Guide

Description

Maximum Operating Frequency

450 MHz

450

400 MHz Unit

400

710

MHz

Maximum Operating Current

× 18

× 36

780

1100

1000

Note

1. The Cypress QDR II+ devices surpass the QDR consortium specification and can support V

= 1.4 V to V

DDQ

Cypress Semiconductor Corporation

Document Number: 001-15700 Rev. *O

•

198 Champion Court

•

San Jose, CA 95134-1709

•

408-943-2600

Revised January 3, 2018

12 3 4 5 6 7...30

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与CY7C1545KV18-450BZXI相关器件

型号	品牌	获取价格	描述	数据表
CY7C1545V18	CYPRESS	获取价格	72-Mbit QDR⑩-II+ SRAM 4-Word Burst Architectu
CY7C1545V18-300BZC	CYPRESS	获取价格	72-Mbit QDR⑩-II+ SRAM 4-Word Burst Architectu
CY7C1545V18-300BZI	CYPRESS	获取价格	72-Mbit QDR⑩-II+ SRAM 4-Word Burst Architectu
CY7C1545V18-300BZXC	CYPRESS	获取价格	72-Mbit QDR⑩-II+ SRAM 4-Word Burst Architectu
CY7C1545V18-300BZXI	CYPRESS	获取价格	72-Mbit QDR⑩-II+ SRAM 4-Word Burst Architectu
CY7C1545V18-333BZC	CYPRESS	获取价格	72-Mbit QDR⑩-II+ SRAM 4-Word Burst Architectu
CY7C1545V18-333BZI	CYPRESS	获取价格	72-Mbit QDR⑩-II+ SRAM 4-Word Burst Architectu
CY7C1545V18-333BZXC	CYPRESS	获取价格	72-Mbit QDR⑩-II+ SRAM 4-Word Burst Architectu
CY7C1545V18-333BZXI	CYPRESS	获取价格	72-Mbit QDR⑩-II+ SRAM 4-Word Burst Architectu
CY7C1545V18-375BZC	CYPRESS	获取价格	72-Mbit QDR⑩-II+ SRAM 4-Word Burst Architectu

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