Page Mode DRAM, 256KX4, 80ns, CMOS, PZIP20, 0.400 INCH, PLASTIC, ZIP-20
| Parameter Name | Attribute value |
| Is it lead-free? | Contains lead |
| Is it Rohs certified? | incompatible |
| Maker | Hitachi （Renesas ） |
| Parts packaging code | ZIP |
| package instruction | ZIP, ZIP20,.1 |
| Contacts | 20 |
| Reach Compliance Code | unknow |
| ECCN code | EAR99 |
| access mode | PAGE |
| Maximum access time | 80 ns |
| Other features | RAS ONLY/CAS BEFORE RAS REFRESH |
| I/O type | COMMON |
| JESD-30 code | R-PZIP-T20 |
| JESD-609 code | e0 |
| length | 25.61 mm |
| memory density | 1048576 bi |
| Memory IC Type | PAGE MODE 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 | ZIP |
| Encapsulate equivalent code | ZIP20,.1 |
| Package shape | RECTANGULAR |
| Package form | IN-LINE |
| Peak Reflow Temperature (Celsius) | NOT SPECIFIED |
| power supply | 5 V |
| Certification status | Not Qualified |
| refresh cycle | 512 |
| Maximum seat height | 10.16 mm |
| Maximum standby current | 0.001 A |
| Maximum slew rate | 0.066 mA |
| Maximum supply voltage (Vsup) | 5.5 V |
| Minimum supply voltage (Vsup) | 4.5 V |
| Nominal supply voltage (Vsup) | 5 V |
| surface mount | NO |
| technology | CMOS |
| Temperature level | COMMERCIAL |
| Terminal surface | Tin/Lead (Sn/Pb) |
| Terminal form | THROUGH-HOLE |
| Terminal pitch | 1.27 mm |
| Terminal location | ZIG-ZAG |
| Maximum time at peak reflow temperature | NOT SPECIFIED |
| width | 2.85 mm |
| HM514256ZP-8 | HM514256P-10 | HM514256JP-10 | HM514256JP-12 | HM514256JP-8 | HM514256P-8 | HM514256P-12 | HM514256ZP-12 | HM514256ZP-10 | |
|---|---|---|---|---|---|---|---|---|---|
| Description | Page Mode DRAM, 256KX4, 80ns, CMOS, PZIP20, 0.400 INCH, PLASTIC, ZIP-20 | Page Mode DRAM, 256KX4, 100ns, CMOS, PDIP20, 0.300 INCH, PLASTIC, DIP-20 | Page Mode DRAM, 256KX4, 100ns, CMOS, PDSO20, 0.300 INCH, PLASTIC, SOJ-20 | Page Mode DRAM, 256KX4, 120ns, CMOS, PDSO20, 0.300 INCH, PLASTIC, SOJ-20 | Page Mode DRAM, 256KX4, 80ns, CMOS, PDSO20, 0.300 INCH, PLASTIC, SOJ-20 | Page Mode DRAM, 256KX4, 80ns, CMOS, PDIP20, 0.300 INCH, PLASTIC, DIP-20 | Page Mode DRAM, 256KX4, 120ns, CMOS, PDIP20, 0.300 INCH, PLASTIC, DIP-20 | Page Mode DRAM, 256KX4, 120ns, CMOS, PZIP20, 0.400 INCH, PLASTIC, ZIP-20 | Page Mode DRAM, 256KX4, 100ns, CMOS, PZIP20, 0.400 INCH, PLASTIC, ZIP-20 |
| Is it lead-free? | Contains lead | Contains lead | Contains lead | Contains lead | Contains lead | Contains lead | Contains lead | Contains lead | Contains lead |
| Is it Rohs certified? | incompatible | incompatible | incompatible | incompatible | incompatible | incompatible | incompatible | incompatible | incompatible |
| Parts packaging code | ZIP | DIP | SOJ | SOJ | SOJ | DIP | DIP | ZIP | ZIP |
| package instruction | ZIP, ZIP20,.1 | DIP, DIP20,.3 | SOJ, SOJ20/26,.34 | SOJ, SOJ20/26,.34 | SOJ, SOJ20/26,.34 | DIP, DIP20,.3 | DIP, DIP20,.3 | ZIP, ZIP20,.1 | ZIP, ZIP20,.1 |
| Contacts | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Reach Compliance Code | unknow | unknown | unknown | unknown | unknown | unknown | unknown | unknown | unknow |
| ECCN code | EAR99 | EAR99 | EAR99 | EAR99 | EAR99 | EAR99 | EAR99 | EAR99 | EAR99 |
| access mode | PAGE | PAGE | PAGE | PAGE | PAGE | PAGE | PAGE | PAGE | PAGE |
| Maximum access time | 80 ns | 100 ns | 100 ns | 120 ns | 80 ns | 80 ns | 120 ns | 120 ns | 100 ns |
| Other features | RAS ONLY/CAS BEFORE RAS REFRESH | RAS ONLY/CAS BEFORE RAS REFRESH | RAS ONLY/CAS BEFORE RAS REFRESH | RAS ONLY/CAS BEFORE RAS REFRESH | RAS ONLY/CAS BEFORE RAS REFRESH | RAS ONLY/CAS BEFORE RAS REFRESH | RAS ONLY/CAS BEFORE RAS REFRESH | RAS ONLY/CAS BEFORE RAS REFRESH | RAS ONLY/CAS BEFORE RAS REFRESH |
| I/O type | COMMON | COMMON | COMMON | COMMON | COMMON | COMMON | COMMON | COMMON | COMMON |
| JESD-30 code | R-PZIP-T20 | R-PDIP-T20 | R-PDSO-J20 | R-PDSO-J20 | R-PDSO-J20 | R-PDIP-T20 | R-PDIP-T20 | R-PZIP-T20 | R-PZIP-T20 |
| JESD-609 code | e0 | e0 | e0 | e0 | e0 | e0 | e0 | e0 | e0 |
| length | 25.61 mm | 24.8 mm | 16.9 mm | 16.9 mm | 16.9 mm | 24.8 mm | 24.8 mm | 25.61 mm | 25.61 mm |
| memory density | 1048576 bi | 1048576 bit | 1048576 bit | 1048576 bit | 1048576 bit | 1048576 bit | 1048576 bit | 1048576 bit | 1048576 bi |
| Memory IC Type | PAGE MODE DRAM | PAGE MODE DRAM | PAGE MODE DRAM | PAGE MODE DRAM | PAGE MODE DRAM | PAGE MODE DRAM | PAGE MODE DRAM | PAGE MODE DRAM | PAGE MODE DRAM |
| memory width | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Number of functions | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Number of ports | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Number of terminals | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| word count | 262144 words | 262144 words | 262144 words | 262144 words | 262144 words | 262144 words | 262144 words | 262144 words | 262144 words |
| character code | 256000 | 256000 | 256000 | 256000 | 256000 | 256000 | 256000 | 256000 | 256000 |
| Operating mode | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS |
| Maximum operating temperature | 70 °C | 70 °C | 70 °C | 70 °C | 70 °C | 70 °C | 70 °C | 70 °C | 70 °C |
| organize | 256KX4 | 256KX4 | 256KX4 | 256KX4 | 256KX4 | 256KX4 | 256KX4 | 256KX4 | 256KX4 |
| Output characteristics | 3-STATE | 3-STATE | 3-STATE | 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 | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| encapsulated code | ZIP | DIP | SOJ | SOJ | SOJ | DIP | DIP | ZIP | ZIP |
| Encapsulate equivalent code | ZIP20,.1 | DIP20,.3 | SOJ20/26,.34 | SOJ20/26,.34 | SOJ20/26,.34 | DIP20,.3 | DIP20,.3 | ZIP20,.1 | ZIP20,.1 |
| Package shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package form | IN-LINE | IN-LINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | IN-LINE | IN-LINE | IN-LINE | IN-LINE |
| Peak Reflow Temperature (Celsius) | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | 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 | 5 V | 5 V | 5 V |
| Certification status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| refresh cycle | 512 | 512 | 512 | 512 | 512 | 512 | 512 | 512 | 512 |
| Maximum seat height | 10.16 mm | 5.08 mm | 3.76 mm | 3.76 mm | 3.76 mm | 5.08 mm | 5.08 mm | 10.16 mm | 10.16 mm |
| Maximum standby current | 0.001 A | 0.001 A | 0.001 A | 0.001 A | 0.001 A | 0.001 A | 0.001 A | 0.001 A | 0.001 A |
| Maximum slew rate | 0.066 mA | 0.055 mA | 0.055 mA | 0.047 mA | 0.066 mA | 0.066 mA | 0.047 mA | 0.047 mA | 0.055 mA |
| Maximum supply voltage (Vsup) | 5.5 V | 5.5 V | 5.5 V | 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 | 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 | 5 V | 5 V | 5 V |
| surface mount | NO | NO | YES | YES | YES | NO | NO | NO | NO |
| technology | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS |
| Temperature level | COMMERCIAL | COMMERCIAL | COMMERCIAL | 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) | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) |
| Terminal form | THROUGH-HOLE | THROUGH-HOLE | J BEND | J BEND | J BEND | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE |
| Terminal pitch | 1.27 mm | 2.54 mm | 1.27 mm | 1.27 mm | 1.27 mm | 2.54 mm | 2.54 mm | 1.27 mm | 1.27 mm |
| Terminal location | ZIG-ZAG | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | ZIG-ZAG | ZIG-ZAG |
| Maximum time at peak reflow temperature | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED |
| width | 2.85 mm | 7.62 mm | 7.62 mm | 7.62 mm | 7.62 mm | 7.62 mm | 7.62 mm | 2.85 mm | 2.85 mm |
| Maker | Hitachi （Renesas ） | Hitachi （Renesas ） | - | Hitachi （Renesas ） | Hitachi （Renesas ） | Hitachi （Renesas ） | Hitachi （Renesas ） | Hitachi （Renesas ） | Hitachi （Renesas ） |
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