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參數(shù)資料
| 型號(hào)： | HM514400B |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 1,048,576-word X 4-bit Dynamic Random Access Memory |
| 中文描述： | 1,048,576字× 4位動(dòng)態(tài)隨機(jī)存取存儲(chǔ)器 |
| 文件頁(yè)數(shù)： | 1/27頁(yè) |
| 文件大小： | 235K |
| 代理商： | HM514400B |
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HM514400B/BL Series
HM514400C/CL Series
1,048,576-word
×
4-bit Dynamic Random Access Memory
Rev. 1.0
Nov. 29, 1994
The Hitachi HM514400B/BL, HM514400C/CL
are CMOS dynamic RAM organized 1,048,576-
word
×
4-bit. HM514400B/BL, HM514400C/CL
have realized higher density, higher performance
and various functions by employing 0.8
μ
m CMOS
process technology and some new CMOS circuit
design technologies. The HM514400B/BL,
HM514400C/CL offer Fast Page Mode as a high
speed access mode. Multiplexed address input
permits the HM514400B/BL, HM514400C/CL to
be packaged in standard 300-mil 26-pin plastic
SOJ, standard 400-mil 20-pin plastic ZIP and 26-
pin plastic TSOP II.
Features
Single 5 V (
±
10%)
High speed
— Access time
60 ns/70 ns/80 ns (max)
Low power dissipation
— Active mode
605 mW/550 mW/495 mW (max)
— Standby mode 11 mW (max)
0.55 mW (max) (L-version)
Fast page mode capability
1024 refresh cycles : 16 ms
1024 refresh cycles : 128 ms (L-version)
3 variations of refresh
—
RAS
-only refresh
—
CAS
-before-
RAS
refresh
— Hidden refresh
Test function
Battery back up operation
— HM514400BL Series (L-version)
— HM514400CL Series (L-version)
ADE-203-269A (Z)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HM514400BL | 1,048,576-word X 4-bit Dynamic Random Access Memory |
| HM514400C | 1,048,576-word X 4-bit Dynamic Random Access Memory |
| HM514400CL | 1,048,576-word X 4-bit Dynamic Random Access Memory |
| HM5164165F | 64M EDO DRAM (4-Mword x 16-bit) 8k refresh/4k refresh |
| HM5164165FJ-5 | 64M EDO DRAM (4-Mword x 16-bit) 8k refresh/4k refresh |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HM514400BL | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:1,048,576-word X 4-bit Dynamic Random Access Memory |
| HM514400BLR-6 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x4 Fast Page Mode DRAM |
| HM514400BLR-7 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x4 Fast Page Mode DRAM |
| HM514400BLR-8 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x4 Fast Page Mode DRAM |
| HM514400BLRR-6 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x4 Fast Page Mode DRAM |
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