型号 | SMJ44C250-10HJM | SMJ44C250-12HJM | SMJ44C250-10JDM | SMJ44C250-12JDM |
---|---|---|---|---|
描述 | 256KX4 VIDEO DRAM, 100ns, CDSO28, CERAMIC, SOJ-28 | 256KX4 VIDEO DRAM, 120ns, CDSO28, CERAMIC, SOJ-28 | 256KX4 VIDEO DRAM, 100ns, CDIP28, 0.400 INCH, SIDE BRAZED, CERAMIC, DIP-28 | 256KX4 VIDEO DRAM, 120ns, CDIP28, 0.400 INCH, SIDE BRAZED, CERAMIC, DIP-28 |
是否无铅 | 含铅 | 含铅 | 含铅 | 含铅 |
是否Rohs认证 | 不符合 | 不符合 | 不符合 | 不符合 |
厂商名称 | Texas Instruments(德州仪器) | Texas Instruments(德州仪器) | Texas Instruments(德州仪器) | Texas Instruments(德州仪器) |
零件包装代码 | SOJ | SOJ | DIP | DIP |
包装说明 | SOJ, SOJ28,.44 | SOJ, SOJ28,.44 | DIP, DIP28,.4 | DIP, DIP28,.4 |
针数 | 28 | 28 | 28 | 28 |
Reach Compliance Code | _compli | not_compliant | not_compliant | not_compliant |
ECCN代码 | EAR99 | EAR99 | EAR99 | EAR99 |
访问模式 | FAST PAGE | FAST PAGE | FAST PAGE | FAST PAGE |
最长访问时间 | 100 ns | 120 ns | 100 ns | 120 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 |
JESD-30 代码 | R-CDSO-J28 | R-CDSO-J28 | R-CDIP-T28 | R-CDIP-T28 |
长度 | 18.542 mm | 18.542 mm | 35.925 mm | 35.925 mm |
内存密度 | 1048576 bi | 1048576 bit | 1048576 bit | 1048576 bit |
内存集成电路类型 | VIDEO DRAM | VIDEO DRAM | VIDEO DRAM | VIDEO DRAM |
内存宽度 | 4 | 4 | 4 | 4 |
功能数量 | 1 | 1 | 1 | 1 |
端口数量 | 2 | 2 | 2 | 2 |
端子数量 | 28 | 28 | 28 | 28 |
字数 | 262144 words | 262144 words | 262144 words | 262144 words |
字数代码 | 256000 | 256000 | 256000 | 256000 |
工作模式 | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS |
最高工作温度 | 125 °C | 125 °C | 125 °C | 125 °C |
最低工作温度 | -55 °C | -55 °C | -55 °C | -55 °C |
组织 | 256KX4 | 256KX4 | 256KX4 | 256KX4 |
输出特性 | 3-STATE | 3-STATE | 3-STATE | 3-STATE |
封装主体材料 | CERAMIC, METAL-SEALED COFIRED | CERAMIC, METAL-SEALED COFIRED | CERAMIC, METAL-SEALED COFIRED | CERAMIC, METAL-SEALED COFIRED |
封装代码 | SOJ | SOJ | DIP | DIP |
封装等效代码 | SOJ28,.44 | SOJ28,.44 | DIP28,.4 | DIP28,.4 |
封装形状 | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
封装形式 | SMALL OUTLINE | SMALL OUTLINE | IN-LINE | IN-LINE |
峰值回流温度(摄氏度) | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED |
电源 | 5 V | 5 V | 5 V | 5 V |
认证状态 | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
刷新周期 | 512 | 512 | 512 | 512 |
筛选级别 | 38535Q/M;38534H;883B | 38535Q/M;38534H;883B | 38535Q/M;38534H;883B | 38535Q/M;38534H;883B |
座面最大高度 | 4.521 mm | 4.521 mm | 4.445 mm | 4.445 mm |
最大待机电流 | 0.015 A | 0.015 A | 0.015 A | 0.015 A |
最大压摆率 | 0.11 mA | 0.1 mA | 0.11 mA | 0.1 mA |
最大供电电压 (Vsup) | 5.5 V | 5.5 V | 5.5 V | 5.5 V |
最小供电电压 (Vsup) | 4.5 V | 4.5 V | 4.5 V | 4.5 V |
标称供电电压 (Vsup) | 5 V | 5 V | 5 V | 5 V |
表面贴装 | YES | YES | NO | NO |
技术 | CMOS | CMOS | CMOS | CMOS |
温度等级 | MILITARY | MILITARY | MILITARY | MILITARY |
端子形式 | J BEND | J BEND | THROUGH-HOLE | THROUGH-HOLE |
端子节距 | 1.27 mm | 1.27 mm | 2.54 mm | 2.54 mm |
端子位置 | DUAL | DUAL | DUAL | DUAL |
处于峰值回流温度下的最长时间 | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED |
宽度 | 10.541 mm | 10.541 mm | 10.16 mm | 10.16 mm |