Productos
IS43DR16640C-25DBLI from ISSI is a 256Mb DDR SDRAM, 16Mx16, speed grade -25 (400MHz). 2.5V SSTL_2 interface. Industrial temperature. BGA-66 package.
Principio de funcionamiento
DDR SDRAM uses double data rate transfer on both clock edges. Internal banks allow interleaved access. CAS latency 2.5 at -25 speed grade. Auto refresh every 64ms (4096 cycles).
Pin Description
| Grupo Pin | Nombre | Función |
|---|---|---|
| Data | DQ0-DQ15 | Data bus |
| Address | A0-A12 | Address bus |
| Controlar | CS/RAS/CAS/WE | Command inputs |
Aplicaciones
- Embedded system main memory
- Networking equipment buffer
- Industrial computing
Alternative Models
| Fabricante | Número de pieza | Notas |
|---|---|---|
| Micron | MT46V16M16TG-6IT:F | Similar DDR SDRAM |