Video DRAM, 256KX4, 80ns, CMOS, PDSO40, 0.400 INCH, PLASTIC, SOJ-40
| 参数名称 | 属性值 |
| 厂商名称 | Micron Technology |
| 零件包装代码 | SOJ |
| 包装说明 | SOJ, |
| 针数 | 40 |
| Reach Compliance Code | unknown |
| ECCN代码 | EAR99 |
| 访问模式 | FAST PAGE |
| 最长访问时间 | 80 ns |
| 其他特性 | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH |
| JESD-30 代码 | R-PDSO-J40 |
| 长度 | 26.06 mm |
| 内存密度 | 1048576 bit |
| 内存集成电路类型 | VIDEO DRAM |
| 内存宽度 | 4 |
| 功能数量 | 1 |
| 端口数量 | 3 |
| 端子数量 | 40 |
| 字数 | 262144 words |
| 字数代码 | 256000 |
| 工作模式 | ASYNCHRONOUS |
| 最高工作温度 | 70 °C |
| 最低工作温度 | |
| 组织 | 256KX4 |
| 输出特性 | 3-STATE |
| 封装主体材料 | PLASTIC/EPOXY |
| 封装代码 | SOJ |
| 封装形状 | RECTANGULAR |
| 封装形式 | SMALL OUTLINE |
| 认证状态 | Not Qualified |
| 刷新周期 | 512 |
| 座面最大高度 | 3.81 mm |
| 最大供电电压 (Vsup) | 5.25 V |
| 最小供电电压 (Vsup) | 4.75 V |
| 标称供电电压 (Vsup) | 5 V |
| 表面贴装 | YES |
| 技术 | CMOS |
| 温度等级 | COMMERCIAL |
| 端子形式 | J BEND |
| 端子节距 | 1.27 mm |
| 端子位置 | DUAL |
| 宽度 | 10.21 mm |
| MT43C4257DJ-8TR | MT43C4258TG-10TR | MT43C4258TG-8TR | MT43C4257TG-10TR | MT43C4257TG-8TR | MT43C4258DJ-10TR | MT43C4257DJ-10TR | MT43C4258DJ-8TR | |
|---|---|---|---|---|---|---|---|---|
| 描述 | Video DRAM, 256KX4, 80ns, CMOS, PDSO40, 0.400 INCH, PLASTIC, SOJ-40 | Video DRAM, 256KX4, 100ns, CMOS, PDSO40, 0.400 INCH, PLASTIC, TSOP-44/40 | Video DRAM, 256KX4, 80ns, CMOS, PDSO40, 0.400 INCH, PLASTIC, TSOP-44/40 | Video DRAM, 256KX4, 100ns, CMOS, PDSO40, 0.400 INCH, PLASTIC, TSOP-44/40 | Video DRAM, 256KX4, 80ns, CMOS, PDSO40, 0.400 INCH, PLASTIC, TSOP-44/40 | Video DRAM, 256KX4, 100ns, CMOS, PDSO40, 0.400 INCH, PLASTIC, SOJ-40 | Video DRAM, 256KX4, 100ns, CMOS, PDSO40, 0.400 INCH, PLASTIC, SOJ-40 | Video DRAM, 256KX4, 80ns, CMOS, PDSO40, 0.400 INCH, PLASTIC, SOJ-40 |
| 厂商名称 | Micron Technology | Micron Technology | Micron Technology | Micron Technology | Micron Technology | Micron Technology | Micron Technology | Micron Technology |
| 零件包装代码 | SOJ | TSOP | TSOP | TSOP | TSOP | SOJ | SOJ | SOJ |
| 包装说明 | SOJ, | TSOP2, | TSOP2, | TSOP2, | TSOP2, | SOJ, | SOJ, | SOJ, |
| 针数 | 40 | 44 | 44 | 44 | 44 | 40 | 40 | 40 |
| Reach Compliance Code | unknown | unknown | unknown | unknown | unknown | unknown | unknown | unknown |
| ECCN代码 | EAR99 | EAR99 | EAR99 | EAR99 | EAR99 | EAR99 | EAR99 | EAR99 |
| 访问模式 | FAST PAGE | FAST PAGE | FAST PAGE | FAST PAGE | FAST PAGE | FAST PAGE | FAST PAGE | FAST PAGE |
| 最长访问时间 | 80 ns | 100 ns | 80 ns | 100 ns | 80 ns | 100 ns | 100 ns | 80 ns |
| 其他特性 | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH |
| JESD-30 代码 | R-PDSO-J40 | R-PDSO-G40 | R-PDSO-G40 | R-PDSO-G40 | R-PDSO-G40 | R-PDSO-J40 | R-PDSO-J40 | R-PDSO-J40 |
| 长度 | 26.06 mm | 18.41 mm | 18.41 mm | 18.41 mm | 18.41 mm | 26.06 mm | 26.06 mm | 26.06 mm |
| 内存密度 | 1048576 bit | 1048576 bit | 1048576 bit | 1048576 bit | 1048576 bit | 1048576 bit | 1048576 bit | 1048576 bit |
| 内存集成电路类型 | VIDEO DRAM | VIDEO DRAM | VIDEO DRAM | VIDEO DRAM | VIDEO DRAM | VIDEO DRAM | VIDEO DRAM | VIDEO DRAM |
| 内存宽度 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| 功能数量 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 端口数量 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| 端子数量 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 |
| 字数 | 262144 words | 262144 words | 262144 words | 262144 words | 262144 words | 262144 words | 262144 words | 262144 words |
| 字数代码 | 256000 | 256000 | 256000 | 256000 | 256000 | 256000 | 256000 | 256000 |
| 工作模式 | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS |
| 最高工作温度 | 70 °C | 70 °C | 70 °C | 70 °C | 70 °C | 70 °C | 70 °C | 70 °C |
| 组织 | 256KX4 | 256KX4 | 256KX4 | 256KX4 | 256KX4 | 256KX4 | 256KX4 | 256KX4 |
| 输出特性 | 3-STATE | 3-STATE | 3-STATE | 3-STATE | 3-STATE | 3-STATE | 3-STATE | 3-STATE |
| 封装主体材料 | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| 封装代码 | SOJ | TSOP2 | TSOP2 | TSOP2 | TSOP2 | SOJ | SOJ | SOJ |
| 封装形状 | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| 封装形式 | SMALL OUTLINE | SMALL OUTLINE, THIN PROFILE | SMALL OUTLINE, THIN PROFILE | SMALL OUTLINE, THIN PROFILE | SMALL OUTLINE, THIN PROFILE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| 认证状态 | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| 刷新周期 | 512 | 512 | 512 | 512 | 512 | 512 | 512 | 512 |
| 座面最大高度 | 3.81 mm | 1.2 mm | 1.2 mm | 1.2 mm | 1.2 mm | 3.81 mm | 3.81 mm | 3.81 mm |
| 最大供电电压 (Vsup) | 5.25 V | 5.25 V | 5.25 V | 5.25 V | 5.25 V | 5.25 V | 5.25 V | 5.25 V |
| 最小供电电压 (Vsup) | 4.75 V | 4.75 V | 4.75 V | 4.75 V | 4.75 V | 4.75 V | 4.75 V | 4.75 V |
| 标称供电电压 (Vsup) | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| 表面贴装 | YES | YES | YES | YES | YES | YES | YES | YES |
| 技术 | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS |
| 温度等级 | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL |
| 端子形式 | J BEND | GULL WING | GULL WING | GULL WING | GULL WING | J BEND | J BEND | J BEND |
| 端子节距 | 1.27 mm | 0.8 mm | 0.8 mm | 0.8 mm | 0.8 mm | 1.27 mm | 1.27 mm | 1.27 mm |
| 端子位置 | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL |
| 宽度 | 10.21 mm | 10.16 mm | 10.16 mm | 10.16 mm | 10.16 mm | 10.21 mm | 10.21 mm | 10.21 mm |
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