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EP1M350 数据表(PDF) 83 Page - Altera Corporation |
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EP1M350 数据表(HTML) 83 Page - Altera Corporation |
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83 / 86 page ![]() Altera Corporation 83 Mercury Programmable Logic Device Family Data Sheet 13 Notes to Tables 46 – 51: (1) Timing will vary by I/O pin placement. Therefore, use the Quartus II software to determine exact I/O timing for each pin. (2) This parameter is measured with the Increase tZX Delay to Output Pin option set to Off. (3) This parameter is measured with the Increase tZX Delay to Output Pin option set to On. Power Consumption Detailed power consumption information for Mercury devices will be released when available. Configuration & Operation The Mercury architecture supports several configuration schemes. This section summarizes the device operating modes and available device configuration schemes. Operating Modes The Mercury architecture uses SRAM configuration elements that require configuration data to be loaded each time the circuit powers up. The process of physically loading the SRAM data into the device is called configuration. During initialization, which occurs immediately after configuration, the device resets registers, enables I/O pins, and begins to operate as a logic device. The I/O pins are tri-stated during power-up and before and during configuration. Together, the configuration and initialization processes are called command mode; normal device operation is called user mode. Table 51. EP1M350 External Bidirectional Timing Parameters Note (1) Symbol -5 Speed Grade -6 Speed Grade -7 Speed Grade Unit Min Max Min Max Min Max tINSUBIDIR 0.60 0.57 0.71 ns tINHBIDIR 0.00 0.00 0.00 ns tOUTCOBIDIR 2.00 3.95 2.00 3.97 2.00 4.75 ns tXZBIDIR 3.90 3.93 4.70 ns tZXBIDIR (2) 3.90 3.93 4.70 ns tZXBIDIR (3) 4.10 4.13 4.94 ns tINSUBIDIRPLL 0.69 0.70 0.82 ns tINHBIDIRPLL 0.00 0.00 0.00 ns tOUTCOBIDIRPLL 0.50 2.23 0.50 2.23 0.50 2.69 ns tXZBIDIRPLL 2.19 2.18 2.63 ns tZXBIDIRPLL (2) 2.19 2.18 2.63 ns tZXBIDIRPLL (3) 2.39 2.38 2.87 ns |
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