W989D6DBGX6I - 512Mbit Mobile LPSDR SDRAM x16 166MHz | Winbond
N.º de pieza: W989D6DBGX6I ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $10.23 | $10,23 |
| 10 | $9.21 | $92,10 |
| 100 | $7.85 | $785,00 |
| 500 | $6.94 | $3.470,00 |
| 1.000 | $6.1 | $6.100,00 |
W989D6DBGX6I Descripción general
Mobile LPSDR SDRAM is a derivative of the standard SDRAM specification optimized for handheld and portable applications. It is a synchronous dynamic random-access memory, meaning it stores each bit in a separate capacitor inside an array of memory cells, and is refreshed periodically to retain data. Compared with standard SDRAM, LPSDR adds partial-array refresh, temperature-compensated self-refresh, and a deep power-down mode, which dramatically reduce the average current draw in standby. Architecturally LPSDR belongs to the SDRAM family, which in turn is part of the volatile memory hierarchy below SRAM and above NOR/NAND flash in cost per bit.
Key features of the W989D6DBGX6I include a x16 data interface, four internal banks for concurrent operation, programmable CAS latency of 2 or 3, programmable burst length of 1, 2, 4, 8, or full page, and on-chip temperature compensation for self-refresh current. The VFBGA-54 (8x9) package measures only 8 mm x 9 mm with a 0.8 mm ball pitch, making it suitable for space-constrained PCB layouts where thin-profile memory stacking is required. The device operates across the industrial -40C to +85C temperature range, designated by the trailing "I" suffix in the MPN.
Typical applications for the W989D6DBGX6I include smartphone baseband buffers, wearable and smartwatch frame buffers, portable media player RAM, automotive infotainment working memory, industrial HMI panels, and IoT edge devices that need 32 MB of low-power working RAM. The 1.8V VDDQ/JEDEC-compliant LPSDR interface allows direct connection to common application processors and SoCs that expose an LPSDR/LPDDR controller.
When designing with the W989D6DBGX6I, observe the JEDEC LPSDR PCB layout guidelines: keep the 16 data lines (DQ0-DQ15), clock (CLK), clock-enable (CKE), and the command/address bus length-matched within ±25 mil, place a 0.1 µF decoupling capacitor per VDD pin within 100 mil of the ball, and reserve a continuous ground plane beneath the package. The partial-array self-refresh register must be configured during initialization to achieve the lowest standby current in always-on applications.
This page synthesizes distributor pricing, drop-in alternatives within the same VFBGA-54 footprint, and practical PCB design notes that go beyond the bare datasheet content.
Alternativas directas para W989D6DBGX6I — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con W989D6DBGX6I (mismo factor de forma y huella) — difiere en MSL Level, Memory Type, Organization, Package, Process Technology.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
W989D6DBGX6E
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
W989D6DBGX6I-TR
✅ Sustitución directa✓ En stock
$1.18 / unidad
Ver hoja de datos →W986D6DBGX6I
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
W989D6DBGX6I
✅ Sustitución directa✓ En stock
$6.1 / unidad
Ver hoja de datos →W989D6DBGX6I Valores máximos y características eléctricas
| Tipo de memoria | Mobile LPSDR SDRAM |
| Memory Density | 512 Mbit (32M x 16) |
| Organización de memoria | 32M words x 16 bit |
| Ancho del bus de datos | 16 bit |
| Frecuencia de reloj máxima | 166 MHz |
| Access Time | 5 ns |
| Supply Voltage VDD | 1.8 V (typ) |
| Tipo de interfaz | Parallel, LVCMOS |
| Number of Banks | 4 |
| Latencia CAS | Programmable 2 or 3 |
| Burst Length | 1, 2, 4, 8, Full Page |
| Self-Refresh | Yes (with PASR) |
| Deep Power-Down | Yes |
| Process Technology | 46 nm CMOS |
| Temperatura de funcionamiento | -40C to +85C (Industrial) |
| Encapsulado | 54-ball VFBGA (8 mm x 9 mm) |
| Ball Pitch | 0.8 mm |
| Tipo de montaje | Surface Mount |
| Nivel MSL | 3 |
| Estado RoHS | Compliant |
Guía de configuración de pines de W989D6DBGX6I 54-ball vfbga (8 mm x 9 mm)
Configuración de pines para W989D6DBGX6I (encapsulado 54-ball vfbga (8 mm x 9 mm)). Este CI digital incluye GPIO, interfaces de comunicación (UART, SPI, I2C) y pines de alimentación. Consulte la hoja de datos del fabricante para conocer las funciones alternativas de los pines y las opciones de configuración. Esencial para el diseño de sistemas embebidos y el diseño de PCB.
No hay datos detallados de patillaje disponibles para W989D6DBGX6I.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
W989D6DBGX6I es adecuado para 6 aplicacións: Smartphone Baseband Working Memory, Wearable and Smartwatch Frame Buffer, Portable Media Player RAM, Automotive Infotainment Working Memory, Industrial HMI Panel Memory, IoT Edge Device Working RAM.
Smartphone Baseband Working Memory
The W989D6DBGX6I delivers 32 MB of working RAM for smartphone baseband and application-processor subsystems. Its 1.8 V JEDEC LPSDR interface matches common cellular baseband chipsets that expose a low-power SDRAM controller, and the 166 MHz clock rate supplies up to 266 MB/s bandwidth. The partial-array self-refresh (PASR) and deep power-down modes minimize standby current when the modem is in sleep, extending battery life. The 54-ball VFBGA (8x9) package with 0.8 mm pitch fits under the SoC shield on compact phone PCBs.
Recomendado
Wearable and Smartwatch Frame Buffer
Wearable designs such as smartwatches and fitness bands benefit from the W989D6DBGX6I's combination of low standby current and small footprint. The 32 MB x16 buffer holds display frame data for AMOLED or LCD panels, and the deep power-down mode draws microamps when the watch face is off. Industrial -40C to +85C operation allows the device to survive skin-contact temperature swings and outdoor cold-start conditions. The 8x9 mm VFBGA outline fits inside watch PCBs that typically measure only 30-40 mm in diameter.
Recomendado
Portable Media Player RAM
Portable audio and video players use the W989D6DBGX6I as a 32 MB working buffer for codec decompression and playlist metadata. The 166 MHz clock rate sustains real-time MP3, AAC, and H.264 decode without stutter, while the x16 data interface keeps the bus pin count low for compact player boards. Programmable burst lengths of 1, 2, 4, 8, or full-page allow the host MCU to optimize DMA transfers for sequential audio streams versus random metadata reads. The 46 nm CMOS process keeps active current under 50 mA during playback.
Recomendado
Automotive Infotainment Working Memory
Automotive infotainment head units and cluster displays need industrial-temperature working RAM, and the W989D6DBGX6I's -40C to +85C range covers cabin environments including direct sunlight. The 32 MB capacity holds navigation map tiles, rear-camera frame buffers, and HMI graphics. The JEDEC LPSDR interface is supported by most automotive-grade SoCs from NXP, Renesas, and TI. Designers should pair this Winbond part with AEC-Q100 qualified companion ICs in safety-relevant clusters, but the LPSDR memory itself is widely used in non-safety-critical infotainment subsystems.
Recomendado
Industrial HMI Panel Memory
Industrial HMI panels with touchscreen interfaces rely on the W989D6DBGX6I for 32 MB of GUI frame-buffer memory. The 166 MHz bandwidth supports smooth 60 fps widget redraws on QVGA/WVGA displays. The wide operating temperature range handles factory-floor conditions, and the VFBGA package resists vibration better than leaded parts when properly underfilled. The 1.8 V single-rail supply simplifies power-tree design in 24V-bus industrial systems where a small buck regulator feeds the memory rail.
Recomendado
IoT Edge Device Working RAM
IoT edge gateways and battery-powered sensor nodes use the W989D6DBGX6I as compact working RAM for protocol stacks (MQTT, CoAP), TLS handshakes, and local data aggregation before uplink. The partial-array self-refresh register allows the device to refresh only the memory region holding live sensor data, dropping standby current to single-digit microamps during sleep cycles. The 1.8 V single supply and small footprint help designers meet strict coin-cell or solar-harvesting power budgets while retaining 32 MB of buffering capacity.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para W989D6DBGX6I — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | W989D6DBGX6E | W989D6DBGX6I-TR | W986D6DBGX6I | W989D6DBGX6I |
|---|---|---|---|---|---|
| Brand | Winbond | Winbond | Winbond | Winbond | Winbond |
| Package | 54-VFBGA (8x9) | 54-VFBGA (8x9) - same | 54-VFBGA (8x9) - same | 54-VFBGA (8x9) - same | 54-VFBGA (8x9) - same |
| Memory Density | 512 Mbit (32Mx16) | 512 Mbit (32Mx16) | 512 Mbit (32Mx16) | 256 Mbit (16Mx16) | 512 Mbit (32Mx16) |
| Maximum Clock Frequency | 166 MHz | 166 MHz | 166 MHz | 166 MHz | 166 MHz |
| Supply Voltage | 1.8 V | 1.8 V | 1.8 V | 1.8 V | 1.8 V |
| Operating Temperature | -40C to +85C (Industrial) | Extended grade | -40C to +85C | -40C to +85C | -40C to +85C |
| Interface Type | JEDEC LPSDR Parallel | JEDEC LPSDR Parallel | JEDEC LPSDR Parallel | JEDEC LPSDR Parallel | JEDEC LPSDR Parallel |
| Self-Refresh (PASR) | Yes | Yes | Yes | Yes | Yes |
Diferenciadores clave
- Industrial temperature range in compact VFBGA-54 (frente a W986D6DBGX6I)
- JEDEC LPSDR standard compatibility (frente a Proprietary mobile RAM interfaces)
- Partial-array self-refresh and deep power-down modes (frente a Standard SDRAM without low-power modes)
Notas de diseño
Per JEDEC LPSDR PCB layout guidelines, length-match the 16 DQ lines (DQ0-DQ15), CLK, and CKE traces within +/-25 mil, and route the command/address bus with matched impedance to 50 ohms. Place one 0.1 µF X7R decoupling capacitor on each VDD ball within 100 mil, and use a continuous ground plane beneath the BGA to provide a low-impedance return path. For four-layer stack-ups, dedicate layer 2 to ground and layer 3 to VDDQ. The VFBGA-54 escape must use microvias-in-pad or dog-bone fan-outs to escape the 0.8 mm pitch ball grid.
The W989D6DBGX6I requires a single 1.8 V rail for VDD and VDDQ. Estimated: at 166 MHz x16 read cycle the device draws approximately 40-60 mA active, dropping to single-digit milliamps in self-refresh and microamps in deep power-down. Pair the LDO with a bulk 10 µF tantalum and a 0.1 µF ceramic bypass per VDD ball. Configure the partial-array self-refresh (PASR) register during initialization to retain only the memory region holding live data, achieving the lowest possible standby current in battery-powered designs.
Do not confuse the W989D6DBGX6I (32Mx16, 512 Mbit) with the lower-density W986D6DBGX6I (16Mx16, 256 Mbit) - they share the VFBGA-54 footprint but the address/ball map differs. Also avoid substituting the x16 W989D6DBGX6I with the x32 W989D2DBGX6I (16Mx32) - the BGA ball assignments differ even though the package is the same 54-VFBGA. Always re-validate PCB layout and the LPSDR controller's address mapping when migrating between densities or bus widths.
Información de cumplimiento
RoHS-compliant and halogen-free per Winbond product page (green 'G' suffix). Not AEC-Q100 qualified - select an automotive-grade Winbond variant for safety-critical automotive applications.
