参数资料
型号: IP-SRAM/QDRII
厂商: Altera
文件页数: 9/68页
文件大小: 0K
描述: IP QDRII SRAM CONTROLLER
标准包装: 1
系列: *
类型: MegaCore
功能: QDRII SRAM 控制器
许可证: 初始许可证
About This MegaCore Function
1
These numbers apply to both commercial and industrial
devices.
Table 1–4. QDRII SDRAM Maximum Clock Frequency Support in Stratix II & Stratix II GX Devices
Frequency (MHz)
Speed Grade
(1)
DLL-Based Implementation
PLL-Based Implementation
–3
–4
–5
Notes to Table 1–4 :
300
200
200
200
167
167
(1)
This analysis is based on the EP2S90F1020 device. Ensure you perform a timing analysis for your chosen FPGA.
Table 1–5. QDRII SRAM Maximum Clock Frequency Supported in Stratix &
Stratix GX Devices (EP1S10 to EP1S40 & EP1SGX10 to EP1SGX40 Devices)
(1)
Speed Grade
–5
–6
–7
Notes to Table 1–5 :
Frequency (MHz)
200
167
133
(1)
This analysis is based on the EP1S25F1020 device. Ensure you perform a timing
analysis for your chosen FPGA.
Table 1–6. QDRII SRAM Maximum Clock Frequency Supported in Stratix
Devices (EP1S60 to EP1S80 Devices)
Speed Grade
–5
–6
–7
Notes to Table 1–6 :
(1)
Frequency (MHz)
167
167
133
(1)
This analysis is based on the EP1S60F1020 device. Ensure you perform a timing
analysis for your chosen FPGA.
Altera Corporation
MegaCore Version 9.1 1–5
November 2009
QDRII SRAM Controller MegaCore Function User Guide
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