256KX4 FAST PAGE DRAM, 60ns, PDSO20, 0.300 INCH, PLASTIC, SOJ-20
| Parameter Name | Attribute value |
| Is it lead-free? | Contains lead |
| Is it Rohs certified? | incompatible |
| Parts packaging code | SOJ |
| package instruction | SOJ, SOJ20/26,.34 |
| Contacts | 20 |
| Reach Compliance Code | unknown |
| ECCN code | EAR99 |
| access mode | FAST PAGE |
| Maximum access time | 60 ns |
| Other features | RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH |
| I/O type | COMMON |
| JESD-30 code | R-PDSO-J20 |
| JESD-609 code | e0 |
| length | 17.145 mm |
| memory density | 1048576 bit |
| Memory IC Type | FAST PAGE DRAM |
| memory width | 4 |
| Number of functions | 1 |
| Number of ports | 1 |
| Number of terminals | 20 |
| word count | 262144 words |
| character code | 256000 |
| Operating mode | ASYNCHRONOUS |
| Maximum operating temperature | 70 °C |
| Minimum operating temperature | |
| organize | 256KX4 |
| Output characteristics | 3-STATE |
| Package body material | PLASTIC/EPOXY |
| encapsulated code | SOJ |
| Encapsulate equivalent code | SOJ20/26,.34 |
| Package shape | RECTANGULAR |
| Package form | SMALL OUTLINE |
| Peak Reflow Temperature (Celsius) | NOT SPECIFIED |
| power supply | 5 V |
| Certification status | Not Qualified |
| refresh cycle | 512 |
| Maximum seat height | 3.75 mm |
| Maximum standby current | 0.0002 A |
| Maximum slew rate | 0.09 mA |
| Maximum supply voltage (Vsup) | 5.5 V |
| Minimum supply voltage (Vsup) | 4.5 V |
| Nominal supply voltage (Vsup) | 5 V |
| surface mount | YES |
| technology | CMOS |
| Temperature level | COMMERCIAL |
| Terminal surface | Tin/Lead (Sn/Pb) |
| Terminal form | J BEND |
| Terminal pitch | 1.27 mm |
| Terminal location | DUAL |
| Maximum time at peak reflow temperature | NOT SPECIFIED |
| width | 7.62 mm |
| Base Number Matches | 1 |
| MCM51L4256BJ60R2 | MCM51L4256BJ80 | MCM51L4256BZ80 | MCM514256BJ60R2 | MCM514256BJ80 | MCM514256BJ80R2 | |
|---|---|---|---|---|---|---|
| Description | 256KX4 FAST PAGE DRAM, 60ns, PDSO20, 0.300 INCH, PLASTIC, SOJ-20 | 256KX4 FAST PAGE DRAM, 80ns, PDSO20, 0.300 INCH, PLASTIC, SOJ-20 | 256KX4 FAST PAGE DRAM, 80ns, PZIP20, 2.54 MM PITCH, PLASTIC, ZIP-20 | 256KX4 FAST PAGE DRAM, 60ns, PDSO20, 0.300 INCH, PLASTIC, SOJ-20 | 256KX4 FAST PAGE DRAM, 80ns, PDSO20, 0.300 INCH, PLASTIC, SOJ-20 | 256KX4 FAST PAGE DRAM, 80ns, PDSO20, 0.300 INCH, PLASTIC, SOJ-20 |
| Is it lead-free? | Contains lead | Contains lead | Contains lead | Contains lead | Contains lead | Contains lead |
| Is it Rohs certified? | incompatible | incompatible | incompatible | incompatible | incompatible | incompatible |
| Parts packaging code | SOJ | SOJ | ZIP | SOJ | SOJ | SOJ |
| package instruction | SOJ, SOJ20/26,.34 | SOJ, SOJ20/26,.34 | ZIP, ZIP20,.1 | SOJ, SOJ20/26,.34 | SOJ, SOJ20/26,.34 | SOJ, SOJ20/26,.34 |
| Contacts | 20 | 20 | 20 | 20 | 20 | 20 |
| Reach Compliance Code | unknown | unknown | unknown | unknown | unknown | unknown |
| ECCN code | EAR99 | EAR99 | EAR99 | EAR99 | EAR99 | EAR99 |
| access mode | FAST PAGE | FAST PAGE | FAST PAGE | FAST PAGE | FAST PAGE | FAST PAGE |
| Maximum access time | 60 ns | 80 ns | 80 ns | 60 ns | 80 ns | 80 ns |
| Other features | 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 |
| I/O type | COMMON | COMMON | COMMON | COMMON | COMMON | COMMON |
| JESD-30 code | R-PDSO-J20 | R-PDSO-J20 | R-PZIP-T20 | R-PDSO-J20 | R-PDSO-J20 | R-PDSO-J20 |
| JESD-609 code | e0 | e0 | e0 | e0 | e0 | e0 |
| length | 17.145 mm | 17.145 mm | 25.715 mm | 17.145 mm | 17.145 mm | 17.145 mm |
| memory density | 1048576 bit | 1048576 bit | 1048576 bit | 1048576 bit | 1048576 bit | 1048576 bit |
| Memory IC Type | FAST PAGE DRAM | FAST PAGE DRAM | FAST PAGE DRAM | FAST PAGE DRAM | FAST PAGE DRAM | FAST PAGE DRAM |
| memory width | 4 | 4 | 4 | 4 | 4 | 4 |
| Number of functions | 1 | 1 | 1 | 1 | 1 | 1 |
| Number of ports | 1 | 1 | 1 | 1 | 1 | 1 |
| Number of terminals | 20 | 20 | 20 | 20 | 20 | 20 |
| word count | 262144 words | 262144 words | 262144 words | 262144 words | 262144 words | 262144 words |
| character code | 256000 | 256000 | 256000 | 256000 | 256000 | 256000 |
| Operating mode | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS |
| Maximum operating temperature | 70 °C | 70 °C | 70 °C | 70 °C | 70 °C | 70 °C |
| organize | 256KX4 | 256KX4 | 256KX4 | 256KX4 | 256KX4 | 256KX4 |
| Output characteristics | 3-STATE | 3-STATE | 3-STATE | 3-STATE | 3-STATE | 3-STATE |
| Package body material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| encapsulated code | SOJ | SOJ | ZIP | SOJ | SOJ | SOJ |
| Encapsulate equivalent code | SOJ20/26,.34 | SOJ20/26,.34 | ZIP20,.1 | SOJ20/26,.34 | SOJ20/26,.34 | SOJ20/26,.34 |
| Package shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package form | SMALL OUTLINE | SMALL OUTLINE | IN-LINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Celsius) | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED |
| power supply | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| Certification status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| refresh cycle | 512 | 512 | 512 | 512 | 512 | 512 |
| Maximum seat height | 3.75 mm | 3.75 mm | 10.16 mm | 3.75 mm | 3.75 mm | 3.75 mm |
| Maximum standby current | 0.0002 A | 0.0002 A | 0.0002 A | 0.001 A | 0.001 A | 0.001 A |
| Maximum slew rate | 0.09 mA | 0.07 mA | 0.07 mA | 0.09 mA | 0.07 mA | 0.07 mA |
| Maximum supply voltage (Vsup) | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 5.5 V |
| Minimum supply voltage (Vsup) | 4.5 V | 4.5 V | 4.5 V | 4.5 V | 4.5 V | 4.5 V |
| Nominal supply voltage (Vsup) | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| surface mount | YES | YES | NO | YES | YES | YES |
| technology | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS |
| Temperature level | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL |
| Terminal surface | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) |
| Terminal form | J BEND | J BEND | THROUGH-HOLE | J BEND | J BEND | J BEND |
| Terminal pitch | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm |
| Terminal location | DUAL | DUAL | ZIG-ZAG | DUAL | DUAL | DUAL |
| Maximum time at peak reflow temperature | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED |
| width | 7.62 mm | 7.62 mm | 2.85 mm | 7.62 mm | 7.62 mm | 7.62 mm |
| Maker | - | Motorola ( NXP ) | Motorola ( NXP ) | Motorola ( NXP ) | Motorola ( NXP ) | Motorola ( NXP ) |
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