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UPD4564323中文资料瑞萨数据手册PDF规格书
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UPD4564323规格书详情
描述 Description
The µPD4564323 is a high-speed 67,108,864-bit synchronous dynamic random-access memory, organized as 524,288 words × 32 bits × 4 banks.
The synchronous DRAMs achieved high-speed data transfer using the pipeline architecture.
All inputs and outputs are synchronized with the positive edge of the clock.
The synchronous DRAMs are compatible with Low Voltage TTL (LVTTL).
These products are packaged in 86-pin TSOP (II).
特性 Features
• Fully Synchronous Dynamic RAM, with all signals referenced to a positive clock edge
• Pulsed interface
• Possible to assert random column address in every cycle
• Quad internal banks controlled by BA0 and BA1 (Bank Select)
• ×32 organization
• Byte control by DQM0, DQM1, DQM2 and DQM3
• Programmable Wrap sequence (Sequential / Interleave)
• Programmable burst length (1, 2, 4, 8 and full page)
• Programmable /CAS latency (2 and 3)
• Automatic precharge and controlled precharge
• CBR (Auto) refresh and self refresh
• Single 3.3 V ± 0.3 V power supply
• LVTTL compatible inputs and outputs
• 4,096 refresh cycles / 64 ms
• Burst termination by Burst stop command and Precharge command
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
TSOP-86 |
24+ |
TSOP86 |
80000 |
只做自己库存 全新原装进口正品假一赔百 可开13%增 |
询价 | ||
NEC |
20+ |
TSSOP-86 |
67500 |
原装优势主营型号-可开原型号增税票 |
询价 | ||
NEC |
20+ |
TSSOP |
2960 |
诚信交易大量库存现货 |
询价 | ||
NEC |
00+ |
SOP |
1670 |
一级代理,专注军工、汽车、医疗、工业、新能源、电力 |
询价 | ||
NEC |
2000 |
SOP |
59 |
原装现货海量库存欢迎咨询 |
询价 | ||
NEC |
2023+ |
TSOP86 |
8800 |
正品渠道现货 终端可提供BOM表配单。 |
询价 | ||
24+ |
TSOP |
331 |
询价 | ||||
NEC |
专业铁帽 |
TSSOP-86 |
19 |
原装铁帽专营,代理渠道量大可订货 |
询价 | ||
NEC |
24+ |
TSSOP |
20000 |
全新原厂原装,进口正品现货,正规渠道可含税!! |
询价 | ||
NEC |
24+ |
SOP |
9600 |
原装现货,优势供应,支持实单! |
询价 |