|
MT20D840G-7 |
MT20D840G-7B |
MT20D840G-6B |
MT20D840G-6 |
| Description |
Fast Page DRAM Module, 8MX40, 70ns, CMOS, SIMM-72 |
Fast Page DRAM Module, 8MX40, 70ns, CMOS, SIMM-72 |
Fast Page DRAM Module, 8MX40, 60ns, CMOS, SIMM-72 |
Fast Page DRAM Module, 8MX40, 60ns, CMOS, SIMM-72 |
| Is it lead-free? |
Contains lead |
Contains lead |
Contains lead |
Contains lead |
| Is it Rohs certified? |
incompatible |
incompatible |
incompatible |
incompatible |
| Maker |
Micron Technology |
Micron Technology |
Micron Technology |
Micron Technology |
| Parts packaging code |
SIMM |
SIMM |
SIMM |
SIMM |
| package instruction |
SIMM-72 |
SIMM-72 |
SIMM-72 |
SIMM-72 |
| Contacts |
72 |
72 |
72 |
72 |
| Reach Compliance Code |
unknown |
unknown |
unknown |
unknown |
| ECCN code |
EAR99 |
EAR99 |
EAR99 |
EAR99 |
| access mode |
FAST PAGE |
FAST PAGE |
FAST PAGE |
FAST PAGE |
| Maximum access time |
70 ns |
70 ns |
60 ns |
60 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 |
| I/O type |
COMMON |
COMMON |
COMMON |
COMMON |
| JESD-30 code |
R-XSMA-N72 |
R-XSMA-N72 |
R-XSMA-N72 |
R-XSMA-N72 |
| memory density |
335544320 bit |
335544320 bit |
335544320 bit |
335544320 bit |
| Memory IC Type |
FAST PAGE DRAM MODULE |
FAST PAGE DRAM MODULE |
FAST PAGE DRAM MODULE |
FAST PAGE DRAM MODULE |
| memory width |
40 |
40 |
40 |
40 |
| Humidity sensitivity level |
1 |
1 |
1 |
1 |
| Number of functions |
1 |
1 |
1 |
1 |
| Number of ports |
1 |
1 |
1 |
1 |
| Number of terminals |
72 |
72 |
72 |
72 |
| word count |
8388608 words |
8388608 words |
8388608 words |
8388608 words |
| character code |
8000000 |
8000000 |
8000000 |
8000000 |
| Operating mode |
ASYNCHRONOUS |
ASYNCHRONOUS |
ASYNCHRONOUS |
ASYNCHRONOUS |
| Maximum operating temperature |
70 °C |
70 °C |
70 °C |
70 °C |
| organize |
8MX40 |
8MX40 |
8MX40 |
8MX40 |
| Output characteristics |
3-STATE |
3-STATE |
3-STATE |
3-STATE |
| Package body material |
UNSPECIFIED |
UNSPECIFIED |
UNSPECIFIED |
UNSPECIFIED |
| encapsulated code |
SIMM |
SIMM |
SIMM |
SIMM |
| Encapsulate equivalent code |
SSIM72 |
SSIM72 |
SSIM72 |
SSIM72 |
| Package shape |
RECTANGULAR |
RECTANGULAR |
RECTANGULAR |
RECTANGULAR |
| Package form |
MICROELECTRONIC ASSEMBLY |
MICROELECTRONIC ASSEMBLY |
MICROELECTRONIC ASSEMBLY |
MICROELECTRONIC ASSEMBLY |
| Peak Reflow Temperature (Celsius) |
225 |
225 |
225 |
225 |
| power supply |
5 V |
5 V |
5 V |
5 V |
| Certification status |
Not Qualified |
Not Qualified |
Not Qualified |
Not Qualified |
| refresh cycle |
2048 |
4096 |
4096 |
2048 |
| Maximum seat height |
37.084 mm |
37.084 mm |
37.084 mm |
37.084 mm |
| Maximum standby current |
0.02 A |
0.02 A |
0.02 A |
0.02 A |
| Maximum slew rate |
1.12 mA |
0.82 mA |
0.92 mA |
1.22 mA |
| 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 |
NO LEAD |
NO LEAD |
NO LEAD |
NO LEAD |
| Terminal pitch |
1.27 mm |
1.27 mm |
1.27 mm |
1.27 mm |
| Terminal location |
SINGLE |
SINGLE |
SINGLE |
SINGLE |
| Maximum time at peak reflow temperature |
NOT SPECIFIED |
NOT SPECIFIED |
NOT SPECIFIED |
NOT SPECIFIED |