Datasheet > CY7C1487V33-100BGXC

CY7C1487V33-100BGXC

更新时间： 2024-11-08 03:11:07

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	1269K
描述
72-Mbit (2M x 36/4M x 18/1M x 72) Flow-Through SRAM

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CY7C1481V33

CY7C1483V33

CY7C1487V33

72-Mbit (2M x 36/4M x 18/1M x 72)

Flow-Through SRAM

Features

Functional Description^[1]

• Supports 133 MHz bus operations

• 2M x 36/4M x 18/1M x 72 common IO

The CY7C1481V33/CY7C1483V33/CY7C1487V33 is a 3.3V,

2M x 36/4M x 18/1M x 72 Synchronous Flow-through SRAM

designed to interface with high speed microprocessors with

minimum glue logic. Maximum access delay from clock rise is

6.5 ns (133 MHz version). A two-bit on-chip counter captures

the first address in a burst and increments the address

automatically for the rest of the burst access. All synchronous

• 3.3V core power supply (V_DD

)

• 2.5V or 3.3V I/O supply (V_DDQ

• Fast clock-to-output times

— 6.5 ns (133 MHz version)

)

inputs are gated by registers controlled by

• Provide high-performance 2-1-1-1 access rate

• User selectable burst counter supporting Intel^®Pentium^®

interleaved or linear burst sequences

positive-edge-triggered Clock Input (CLK). The synchronous

inputs include all addresses, all data inputs, address-pipelining

Chip Enable (CE₁), depth-expansion Chip Enables (CE₂and

CE₃), Burst Control inputs (ADSC, ADSP, and ADV), Write

Enables (BW_xand BWE), and Global Write (GW).

Asynchronous inputs include the Output Enable (OE) and the

ZZ pin.

• Separate processor and controller address strobes

• Synchronous self timed write

• Asynchronous output enable

• CY7C1481V33, CY7C1483V33 available in

JEDEC-standard Pb-free 100-pin TQFP, Pb-free and

non-Pb-free 165-ball FBGA package. CY7C1487V33

available in Pb-free and non-Pb-free 209 ball FBGA

package

The CY7C1481V33/CY7C1483V33/CY7C1487V33 allows

either interleaved or linear burst sequences, selected by the

MODE input pin. A HIGH selects an interleaved burst

sequence, while a LOW selects a linear burst sequence. Burst

accesses can be initiated with the Processor Address Strobe

(ADSP) or the cache Controller Address Strobe (ADSC)

inputs. Address advancement is controlled by the Address

Advancement (ADV) input.

• IEEE 1149.1 JTAG-Compatible Boundary Scan

• “ZZ” Sleep Mode option

Addresses and chip enables are registered at rising edge of

clock when either Address Strobe Processor (ADSP) or

Address Strobe Controller (

burst addresses can be internally generated as controlled by

the Advance pin (ADV).

) are active. Subsequent

ADSC

The CY7C1481V33/CY7C1483V33/CY7C1487V33 operates

from a +3.3V core power supply while all outputs may operate

with either a +2.5 or +3.3V supply. All inputs and outputs are

JEDEC standard JESD8-5 compatible.

Selection Guide

133 MHz

6.5

100 MHz

8.5

Unit

Maximum Access Time

Maximum Operating Current

Maximum CMOS Standby Current

335

305

150

Note

1. For best practices recommendations, refer to the Cypress application note AN1064, SRAM System Guidelines.

Cypress Semiconductor Corporation

Document #: 38-05284 Rev. *H

•

198 Champion Court

•

San Jose, CA 95134-1709

•

408-943-2600

Revised May 01, 2007

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与CY7C1487V33-100BGXC相关器件

型号	品牌	获取价格	描述	数据表
CY7C1487V33-100BGXI	CYPRESS	获取价格	72-Mbit (2M x 36/4M x 18/1M x 72) Flow-Through SRAM
CY7C1487V33-117BGC	CYPRESS	获取价格	2M x 36/4M x 18/1M x 72 Flow-through SRAM
CY7C1487V33-133BGC	CYPRESS	获取价格	2M x 36/4M x 18/1M x 72 Flow-through SRAM
CY7C1487V33-133BGI	CYPRESS	获取价格	72-Mbit (2M x 36/4M x 18/1M x 72) Flow-Through SRAM
CY7C1487V33-133BGXC	CYPRESS	获取价格	72-Mbit (2M x 36/4M x 18/1M x 72) Flow-Through SRAM
CY7C1487V33-133BGXI	CYPRESS	获取价格	72-Mbit (2M x 36/4M x 18/1M x 72) Flow-Through SRAM
CY7C1487V33-150BGC	CYPRESS	获取价格	2M x 36/4M x 18/1M x 72 Flow-through SRAM
CY7C149	CYPRESS	获取价格	1K x 4 Static RAM
CY7C149-25DC	ETC	获取价格	x4 SRAM
CY7C149-25LC	ETC	获取价格	x4 SRAM

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