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Description
The µPD45128441, 45128841, 45128163 are high-speed 134,217,728-bit synchronous dynamic random-access memories, organized as 8,388,608 × 4 × 4, 4,194,304 × 8 × 4, 2,097,152 × 16 × 4 (word × bit × bank), respectively.
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 54-pin TSOP (II).
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(A13) and BA1(A12)
• Byte control (×16) by LDQM and UDQM
• 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
• ×4, ×8, ×16 organization
• 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 |
---|---|---|---|---|---|---|---|
NEC |
2023+ |
TSSOP |
80000 |
一级代理/分销渠道价格优势 十年芯程一路只做原装正品 |
询价 | ||
ELPEDA |
05+ |
TSSOP54 |
66 |
询价 | |||
NEC |
17+ |
TSSOP5 |
9988 |
只做原装进口,自己库存 |
询价 | ||
ELPID |
23+ |
TSSOP |
5000 |
原装正品,假一罚十 |
询价 | ||
NEC |
23+ |
TSSOP/54 |
7000 |
绝对全新原装!100%保质量特价!请放心订购! |
询价 | ||
NEC |
99+ |
TSSOP5 |
2100 |
全新原装进口自己库存优势 |
询价 | ||
ELPIDA |
2020+ |
TSOP54 |
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 |
23+ |
TSSOP |
20000 |
原厂原装正品现货 |
询价 | ||
NEC |
2023+ |
TSSOP |
4165 |
全新原厂原装产品、公司现货销售 |
询价 | ||
NEC |
2023+ |
TSOP-54 |
50000 |
原装现货 |
询价 |