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Overview
The IBM PowerPC 405 core is a 32-bit RISC CPU core providing up to 400 MHz and 608 DMIPS performance as implemented in IBM's advanced 90-nm copper CMOS technology. The 405 core employs the scalable and flexible Power Architecture technology, optimized for embedded applications.
The licensable embedded core integrates a scalar five-stage pipeline, separate instruction and data caches, a JTAG port, trace FIFO, multiple timers and a memory management unit (MMU), with 1.52 DMIPS/MHz performance.
The PowerPC 405 core's performance, low power specifications and design attributes make it an ideal solution for emerging consumer, storage and wired or wireless communications applications.
PowerPC 405 block diagram
Hard and soft core options
The PowerPC 405 core is available as a hard (fixed layout) or soft macro. The hard cores are available in IBM's premium process technologies or fab-optimized versions with the IBM Business Partner fabs. The fully synthesizable soft core provides the flexibility of fabrication in multiple foundries.
The 405 core can be integrated with peripheral and application-specific macro cores using the CoreConnectΩ bus architecture to develop custom SoC solutions. Peripheral options include memory controllers, DMA controllers, PCI interface bridges and interrupt controllers.
A comprehensive portfolio of PowerPC family support tools is available through the extensive IBM Business Partners network. Offerings include peripheral IP, operating systems, compilers, debuggers, simulators and emulators and design services. The PowerPC 405 core is designed to work with industry-standard EDA tools.
PowerPC 405 core parametrics
| Technology |
130 nm |
90 nm |
Fully synthesizable |
| Fabs supported |
IBM, Chartered |
IBM, Chartered, Samsung |
All |
| Frequency (worst-case conditions) |
366 MHz |
400 MHz |
250-300 MHz (process dependent) |
| Performance (estimated) |
555 DMIPS |
608 DMIPS |
380-456 DMIPS |
| Typical power dissipation (estimated) |
0.5 mW/MHz @ 1.5 V
0.3 mW/MHz @ 0.9 V |
0.19 mW/MHz @ 1.1V |
0.25-0.6 mW/MHz (process dependent) |
| Power supply |
1.5 V |
1.1 V |
Process dependent |
| Temperature range |
-40°C to +105°C |
-40°C to +105°C |
-40°C to +105°C |
| Die size, CPU + L1 |
3.8mm² |
2.0mm² |
Process dependent |
More detailed documentation is available in the Technical Library.
Download the free PowerPC405 Evaluation Kit.
 DesignWare customers, download the PowerPC 405 design views (link resides outside of ibm.com).
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