256KX4 VIDEO DRAM, 100ns, PDSO28
Parameter Name | Attribute value |
Maker | Texas Instruments |
package instruction | SOJ, |
Reach Compliance Code | unknown |
ECCN code | EAR99 |
access mode | FAST PAGE |
Maximum access time | 100 ns |
Other features | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 512 X 4 SAM PORT |
JESD-30 code | R-PDSO-J28 |
length | 18.415 mm |
memory density | 1048576 bit |
Memory IC Type | VIDEO DRAM |
memory width | 4 |
Number of functions | 1 |
Number of ports | 2 |
Number of terminals | 28 |
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 |
Package shape | RECTANGULAR |
Package form | SMALL OUTLINE |
Certification status | Not Qualified |
refresh cycle | 512 |
Maximum seat height | 3.76 mm |
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 form | J BEND |
Terminal pitch | 1.27 mm |
Terminal location | DUAL |
width | 10.16 mm |
TMS44C251-10DZL | TMS44C251-1SDL | TMS44C251-10SDL | TMS44C251-12SDL | TMS44C251-1DZL | TMS44C251-12DZL | |
---|---|---|---|---|---|---|
Description | 256KX4 VIDEO DRAM, 100ns, PDSO28 | 256KX4 VIDEO DRAM, 100ns, PZIP28, 0.400 INCH, PLASTIC, ZIP-28 | 256KX4 VIDEO DRAM, 100ns, PZIP28, 0.400 INCH, PLASTIC, ZIP-28 | 256KX4 VIDEO DRAM, 120ns, PZIP28, 0.400 INCH, PLASTIC, ZIP-28 | 256KX4 VIDEO DRAM, 100ns, PDSO28 | 256KX4 VIDEO DRAM, 120ns, PDSO28 |
Maker | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
package instruction | SOJ, | ZIP, | 0.400 INCH, PLASTIC, ZIP-28 | 0.400 INCH, PLASTIC, ZIP-28 | SOJ, | SOJ, |
Reach Compliance Code | unknown | unknown | not_compliant | not_compliant | 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 | 100 ns | 100 ns | 100 ns | 120 ns | 100 ns | 120 ns |
Other features | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 512 X 4 SAM PORT | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 512 X 4 SAM PORT | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 512 X 4 SAM PORT | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 512 X 4 SAM PORT | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 512 X 4 SAM PORT | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 512 X 4 SAM PORT |
JESD-30 code | R-PDSO-J28 | R-PZIP-T28 | R-PZIP-T28 | R-PZIP-T28 | R-PDSO-J28 | R-PDSO-J28 |
memory density | 1048576 bit | 1048576 bit | 1048576 bit | 1048576 bit | 1048576 bit | 1048576 bit |
Memory IC Type | VIDEO DRAM | VIDEO DRAM | VIDEO DRAM | VIDEO DRAM | VIDEO DRAM | VIDEO DRAM |
memory width | 4 | 4 | 4 | 4 | 4 | 4 |
Number of functions | 1 | 1 | 1 | 1 | 1 | 1 |
Number of ports | 2 | 2 | 2 | 2 | 2 | 2 |
Number of terminals | 28 | 28 | 28 | 28 | 28 | 28 |
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 | ZIP | ZIP | ZIP | SOJ | SOJ |
Package shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
Package form | SMALL OUTLINE | IN-LINE | IN-LINE | IN-LINE | SMALL OUTLINE | SMALL OUTLINE |
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 | 3.76 mm | 10.16 mm | 10.16 mm | 10.16 mm | 3.76 mm | 3.76 mm |
Maximum supply voltage (Vsup) | 5.5 V | 5.25 V | 5.5 V | 5.5 V | 5.25 V | 5.5 V |
Minimum supply voltage (Vsup) | 4.5 V | 4.75 V | 4.5 V | 4.5 V | 4.75 V | 4.5 V |
Nominal supply voltage (Vsup) | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
surface mount | YES | NO | NO | NO | YES | YES |
technology | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS |
Temperature level | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL |
Terminal form | J BEND | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE | 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 | ZIG-ZAG | ZIG-ZAG | ZIG-ZAG | DUAL | DUAL |
width | 10.16 mm | 2.8 mm | 2.8 mm | 2.8 mm | 10.16 mm | 10.16 mm |