Part Number: W978H6KBQX2E vs W978H2KBVX2I
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| Part Number: | W978H6KBQX2E | W978H2KBVX2I |
| Manufacturer: | Winbond Electronics | Winbond Electronics |
| Description: | IC SDRAM 256MBIT 400MHZ 168WFBGA | IC SDRAM 256MBIT 400MHZ 134VFBGA |
| Quantity Available: | Available | Available |
| Datasheets: | - | - |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 168-WFBGA | 134-VFBGA |
| Surface Mount | YES | YES |
| Number of Pins | 168 | 134 |
| Operating Temperature | -25°C~85°C TC | -40°C~85°C TA |
| Packaging | Tray | Tray |
| Published | 2016 | 2016 |
| Part Status | Obsolete | Active |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) | 3 (168 Hours) |
| Number of Terminations | 168 | 134 |
| Additional Feature | AUTO/SELF REFRESH; IT ALSO REQUIRES 1.8V NOM | AUTO/SELF REFRESH; IT ALSO REQUIRES 1.8V NOM |
| Technology | SDRAM - Mobile LPDDR2 | SDRAM - Mobile LPDDR2 |
| Voltage - Supply | 1.14V~1.95V | 1.14V~1.95V |
| Terminal Position | BOTTOM | BOTTOM |
| Number of Functions | 1 | 1 |
| Supply Voltage | 1.2V | 1.2V |
| Terminal Pitch | 0.5mm | 0.65mm |
| Supply Voltage-Max (Vsup) | 1.3V | 1.3V |
| Supply Voltage-Min (Vsup) | 1.14V | 1.14V |
| Memory Size | 256Mb 16M x 16 | 256Mb 8M x 32 |
| Number of Ports | 1 | 1 |
| Memory Type | Volatile | Volatile |
| Operating Mode | SYNCHRONOUS | SYNCHRONOUS |
| Clock Frequency | 400MHz | 400MHz |
| Memory Format | DRAM | DRAM |
| Memory Interface | Parallel | Parallel |
| Organization | 16MX16 | 8MX32 |
| Memory Width | 16 | 32 |
| Write Cycle Time - Word, Page | 15ns | 15ns |
| Memory Density | 268435456 bit | 268435456 bit |
| Access Mode | FOUR BANK PAGE BURST | FOUR BANK PAGE BURST |
| Height Seated (Max) | 0.8mm | 1mm |
| Length | 12mm | 11.5mm |
| Width | 12mm | 10mm |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Factory Lead Time | - | 10 Weeks |
| Submit RFQ: | Submit | Submit |
| Image | Part Number | Manufacturer | Description | Compare |
|---|---|---|---|---|
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W978H2KBQX2I | Winbond Electronics | IC SDRAM 256MBIT 400MHZ 168WFBGA | Compare |
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W978H2KBVX2E | Winbond Electronics | IC SDRAM 256MBIT 400MHZ 134VFBGA | Compare |
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W978H2KBQX2E | Winbond Electronics | IC SDRAM 256MBIT 400MHZ 168WFBGA | Compare |
