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AX2000 数据表(PDF) 108 Page - Microsemi Corporation |
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AX2000 数据表(HTML) 108 Page - Microsemi Corporation |
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108 / 262 page ![]() Detailed Specifications 2- 94 R e v i sio n 1 8 Table 2-93 • Sixteen RAM Blocks Cascaded Worst-Case Commercial Conditions VCCA = 1.425 V, VCCI = 3.0 V, TJ = 70°C –2 Speed –1 Speed Std Speed Parameter Description Min. Max. Min. Max. Min. Max. Units Write Mode tWDASU Write Data Setup vs. WCLK 16.54 18.84 22.15 ns tWDAHD Write Data Hold vs. WCLK 0.00 0.00 0.00 ns tWADSU Write Address Setup vs. WCLK 16.54 18.84 22.15 ns tWADHD Write Address Hold vs. WCLK 0.00 0.00 0.00 ns tWENSU Write Enable Setup vs. WCLK 16.54 18.84 22.15 ns tWENHD Write Enable Hold vs. WCLK 0.00 0.00 0.00 ns tWCKH WCLK Minimum High Pulse Width 0.75 0.75 0.75 ns tWCLK WCLK Minimum Low Pulse Width 13.40 13.40 13.40 ns tWCKP WCLK Minimum Period 14.15 14.15 14.15 ns Read Mode tRADSU Read Address Setup vs. RCLK 18.13 20.65 24.27 ns tRADHD Read Address Hold vs. RCLK 0.00 0.00 0.00 ns tRENSU Read Enable Setup vs. RCLK 18.13 20.65 24.27 ns tRENHD Read Enable Hold vs. RCLK 0.00 0.00 0.00 ns tRCK2RD1 RCLK-To-OUT (Pipelined) 12.08 13.76 16.17 ns tRCK2RD2 RCLK-To-OUT (Non-Pipelined) 12.83 14.62 17.18 ns tRCLKH RCLK Minimum High Pulse Width 0.73 0.73 0.73 ns tRCLKL RCLK Minimum Low Pulse Width 14.41 14.41 14.41 ns tRCKP RCLK Minimum Period 15.14 15.14 15.14 ns Note: Timing data for these sixteen cascaded RAM blocks uses a depth of 65,536. For all other combinations, use Microsemi’s timing software. |
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