Standard SRAM, 64KX4, 20ns, CMOS, PDIP24, 0.300 INCH, PLASTIC, DIP-24
| Parameter Name | Attribute value |
| Maker | Intel |
| Parts packaging code | DIP |
| package instruction | DIP, |
| Contacts | 24 |
| Reach Compliance Code | compliant |
| ECCN code | EAR99 |
| Maximum access time | 20 ns |
| Other features | POWER-DOWN |
| JESD-30 code | R-PDIP-T24 |
| length | 31.495 mm |
| memory density | 262144 bit |
| Memory IC Type | STANDARD SRAM |
| memory width | 4 |
| Number of functions | 1 |
| Number of ports | 1 |
| Number of terminals | 24 |
| word count | 65536 words |
| character code | 64000 |
| Operating mode | ASYNCHRONOUS |
| Maximum operating temperature | 70 °C |
| Minimum operating temperature | |
| organize | 64KX4 |
| Output characteristics | 3-STATE |
| Exportable | NO |
| Package body material | PLASTIC/EPOXY |
| encapsulated code | DIP |
| Package shape | RECTANGULAR |
| Package form | IN-LINE |
| Parallel/Serial | PARALLEL |
| Certification status | Not Qualified |
| Maximum seat height | 4.32 mm |
| Minimum standby current | 2 V |
| 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 form | THROUGH-HOLE |
| Terminal pitch | 2.54 mm |
| Terminal location | DUAL |
| width | 7.62 mm |





| PD51258-20 | PD51258-25 | PD51258-30 | PD51258-35 | |
|---|---|---|---|---|
| Description | Standard SRAM, 64KX4, 20ns, CMOS, PDIP24, 0.300 INCH, PLASTIC, DIP-24 | Standard SRAM, 64KX4, 25ns, CMOS, PDIP24, 0.300 INCH, PLASTIC, DIP-24 | Standard SRAM, 64KX4, 30ns, CMOS, PDIP24, 0.300 INCH, PLASTIC, DIP-24 | Standard SRAM, 64KX4, 35ns, CMOS, PDIP24, 0.300 INCH, PLASTIC, DIP-24 |
| Maker | Intel | Intel | Intel | Intel |
| Parts packaging code | DIP | DIP | DIP | DIP |
| package instruction | DIP, | DIP, | DIP, | DIP, |
| Contacts | 24 | 24 | 24 | 24 |
| Reach Compliance Code | compliant | compliant | compliant | compliant |
| ECCN code | EAR99 | EAR99 | EAR99 | EAR99 |
| Maximum access time | 20 ns | 25 ns | 30 ns | 35 ns |
| Other features | POWER-DOWN | POWER-DOWN | POWER-DOWN | POWER-DOWN |
| JESD-30 code | R-PDIP-T24 | R-PDIP-T24 | R-PDIP-T24 | R-PDIP-T24 |
| length | 31.495 mm | 31.495 mm | 31.495 mm | 31.495 mm |
| memory density | 262144 bit | 262144 bit | 262144 bit | 262144 bit |
| Memory IC Type | STANDARD SRAM | STANDARD SRAM | STANDARD SRAM | STANDARD SRAM |
| memory width | 4 | 4 | 4 | 4 |
| Number of functions | 1 | 1 | 1 | 1 |
| Number of ports | 1 | 1 | 1 | 1 |
| Number of terminals | 24 | 24 | 24 | 24 |
| word count | 65536 words | 65536 words | 65536 words | 65536 words |
| character code | 64000 | 64000 | 64000 | 64000 |
| Operating mode | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS |
| Maximum operating temperature | 70 °C | 70 °C | 70 °C | 70 °C |
| organize | 64KX4 | 64KX4 | 64KX4 | 64KX4 |
| Output characteristics | 3-STATE | 3-STATE | 3-STATE | 3-STATE |
| Exportable | NO | NO | NO | NO |
| Package body material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| encapsulated code | DIP | DIP | DIP | DIP |
| Package shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package form | IN-LINE | IN-LINE | IN-LINE | IN-LINE |
| Parallel/Serial | PARALLEL | PARALLEL | PARALLEL | PARALLEL |
| Certification status | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Maximum seat height | 4.32 mm | 4.32 mm | 4.32 mm | 4.32 mm |
| Minimum standby current | 2 V | 2 V | 2 V | 2 V |
| Maximum supply voltage (Vsup) | 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 |
| Nominal supply voltage (Vsup) | 5 V | 5 V | 5 V | 5 V |
| surface mount | NO | NO | NO | NO |
| technology | CMOS | CMOS | CMOS | CMOS |
| Temperature level | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL |
| Terminal form | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE |
| Terminal pitch | 2.54 mm | 2.54 mm | 2.54 mm | 2.54 mm |
| Terminal location | DUAL | DUAL | DUAL | DUAL |
| width | 7.62 mm | 7.62 mm | 7.62 mm | 7.62 mm |