Standard SRAM, 32KX8, 12ns, CMOS, PDSO28, 8 X 13.40 MM, TSOP1-28
| Parameter Name | Attribute value |
| Parts packaging code | TSOP |
| package instruction | TSOP1, |
| Contacts | 28 |
| Reach Compliance Code | unknow |
| ECCN code | EAR99 |
| Maximum access time | 12 ns |
| JESD-30 code | R-PDSO-G28 |
| JESD-609 code | e3 |
| length | 11.8 mm |
| memory density | 262144 bi |
| Memory IC Type | STANDARD SRAM |
| memory width | 8 |
| Number of functions | 1 |
| Number of terminals | 28 |
| word count | 32768 words |
| character code | 32000 |
| Operating mode | ASYNCHRONOUS |
| Maximum operating temperature | 70 °C |
| Minimum operating temperature | |
| organize | 32KX8 |
| Package body material | PLASTIC/EPOXY |
| encapsulated code | TSOP1 |
| Package shape | RECTANGULAR |
| Package form | SMALL OUTLINE, THIN PROFILE |
| Parallel/Serial | PARALLEL |
| Certification status | Not Qualified |
| Maximum seat height | 1.2 mm |
| Maximum supply voltage (Vsup) | 3.465 V |
| Minimum supply voltage (Vsup) | 3.135 V |
| Nominal supply voltage (Vsup) | 3.3 V |
| surface mount | YES |
| technology | CMOS |
| Temperature level | COMMERCIAL |
| Terminal surface | MATTE TIN |
| Terminal form | GULL WING |
| Terminal pitch | 0.55 mm |
| Terminal location | DUAL |
| width | 8 mm |
| Base Number Matches | 1 |

| W24L257ACQ-12 | W24L257ACK-12 | W24L257ACJ-20 | W24L257ACQ-20 | W24L257ACJ-12 | W24L257ACK-20 | W24L257ACK-15 | W24L257ACJ-15 | W24L257ACQ-15 | |
|---|---|---|---|---|---|---|---|---|---|
| Description | Standard SRAM, 32KX8, 12ns, CMOS, PDSO28, 8 X 13.40 MM, TSOP1-28 | Standard SRAM, 32KX8, 12ns, CMOS, PDIP28, 0.300 INCH, SKINNY, PLASTIC, DIP-28 | Standard SRAM, 32KX8, 20ns, CMOS, PDSO28, 0.300 INCH, SOJ-28 | Standard SRAM, 32KX8, 20ns, CMOS, PDSO28, 8 X 13.40 MM, TSOP1-28 | Standard SRAM, 32KX8, 12ns, CMOS, PDSO28, 0.300 INCH, SOJ-28 | Standard SRAM, 32KX8, 20ns, CMOS, PDIP28, 0.300 INCH, SKINNY, PLASTIC, DIP-28 | Standard SRAM, 32KX8, 15ns, CMOS, PDIP28, 0.300 INCH, SKINNY, PLASTIC, DIP-28 | Standard SRAM, 32KX8, 15ns, CMOS, PDSO28, 0.300 INCH, SOJ-28 | Standard SRAM, 32KX8, 15ns, CMOS, PDSO28, 8 X 13.40 MM, TSOP1-28 |
| Parts packaging code | TSOP | DIP | SOJ | TSOP | SOJ | DIP | DIP | SOJ | TSOP |
| package instruction | TSOP1, | DIP, | SOJ, | TSOP1, | SOJ, | DIP, | DIP, | SOJ, | TSOP1, |
| Contacts | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| Reach Compliance Code | unknow | unknow | unknow | unknow | unknow | unknow | unknow | unknow | unknow |
| ECCN code | EAR99 | EAR99 | EAR99 | EAR99 | EAR99 | EAR99 | EAR99 | EAR99 | EAR99 |
| Maximum access time | 12 ns | 12 ns | 20 ns | 20 ns | 12 ns | 20 ns | 15 ns | 15 ns | 15 ns |
| JESD-30 code | R-PDSO-G28 | R-PDIP-T28 | R-PDSO-J28 | R-PDSO-G28 | R-PDSO-J28 | R-PDIP-T28 | R-PDIP-T28 | R-PDSO-J28 | R-PDSO-G28 |
| length | 11.8 mm | 35.26 mm | 18.03 mm | 11.8 mm | 18.03 mm | 35.26 mm | 35.26 mm | 18.03 mm | 11.8 mm |
| memory density | 262144 bi | 262144 bi | 262144 bi | 262144 bi | 262144 bi | 262144 bi | 262144 bi | 262144 bi | 262144 bi |
| Memory IC Type | STANDARD SRAM | STANDARD SRAM | STANDARD SRAM | STANDARD SRAM | STANDARD SRAM | STANDARD SRAM | STANDARD SRAM | STANDARD SRAM | STANDARD SRAM |
| memory width | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Number of functions | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Number of terminals | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| word count | 32768 words | 32768 words | 32768 words | 32768 words | 32768 words | 32768 words | 32768 words | 32768 words | 32768 words |
| character code | 32000 | 32000 | 32000 | 32000 | 32000 | 32000 | 32000 | 32000 | 32000 |
| 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 | 32KX8 | 32KX8 | 32KX8 | 32KX8 | 32KX8 | 32KX8 | 32KX8 | 32KX8 | 32KX8 |
| Package body material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| encapsulated code | TSOP1 | DIP | SOJ | TSOP1 | SOJ | DIP | DIP | SOJ | TSOP1 |
| Package shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package form | SMALL OUTLINE, THIN PROFILE | IN-LINE | SMALL OUTLINE | SMALL OUTLINE, THIN PROFILE | SMALL OUTLINE | IN-LINE | IN-LINE | SMALL OUTLINE | SMALL OUTLINE, THIN PROFILE |
| Parallel/Serial | PARALLEL | PARALLEL | PARALLEL | PARALLEL | PARALLEL | PARALLEL | PARALLEL | PARALLEL | PARALLEL |
| Certification status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Maximum seat height | 1.2 mm | 4.45 mm | 3.56 mm | 1.2 mm | 3.56 mm | 4.45 mm | 4.45 mm | 3.56 mm | 1.2 mm |
| Maximum supply voltage (Vsup) | 3.465 V | 3.465 V | 3.465 V | 3.465 V | 3.465 V | 3.465 V | 3.465 V | 3.465 V | 3.465 V |
| Minimum supply voltage (Vsup) | 3.135 V | 3.135 V | 3.135 V | 3.135 V | 3.135 V | 3.135 V | 3.135 V | 3.135 V | 3.135 V |
| Nominal supply voltage (Vsup) | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| surface mount | YES | NO | YES | YES | YES | NO | NO | YES | YES |
| technology | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS |
| Temperature level | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL |
| Terminal form | GULL WING | THROUGH-HOLE | J BEND | GULL WING | J BEND | THROUGH-HOLE | THROUGH-HOLE | J BEND | GULL WING |
| Terminal pitch | 0.55 mm | 2.54 mm | 1.27 mm | 0.55 mm | 1.27 mm | 2.54 mm | 2.54 mm | 1.27 mm | 0.55 mm |
| Terminal location | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL |
| width | 8 mm | 7.62 mm | 7.62 mm | 8 mm | 7.62 mm | 7.62 mm | 7.62 mm | 7.62 mm | 8 mm |
| Base Number Matches | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| JESD-609 code | e3 | e3 | - | e3 | - | e3 | e3 | - | e3 |
| Terminal surface | MATTE TIN | MATTE TIN | - | MATTE TIN | - | MATTE TIN | MATTE TIN | - | MATTE TIN |