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M58BW16F 数据表(PDF) 59 Page - STMicroelectronics |
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M58BW16F 数据表(HTML) 59 Page - STMicroelectronics |
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59 / 81 page ![]() M58BW16F, M58BW32F DC and AC parameters 59/81 Table 21. Synchronous Burst Read AC characteristics(1) (2) Symbol Parameter Test Condition M58BWxxF Unit 45 55 f Clock frequency X-Latency = 3 Max 40 33 MHz X-Latency = 4 Max 56 40 MHz X-Latency = 5 or 6 Max 75 56 MHz tAVKH Address Valid to Valid Clock Edge, E = VIL, L = VIL X-Latency = 3 Min 9 6 ns E = VIL, L = VIL X-Latency = 4, 5 or 6 Min 6 6 ns tKHKL Clock High Time Min 6 6 ns tKLKH Clock Low Time Min 6 6 ns tBHKH Burst Address Advance High to Valid Clock Edge E = VIL, G = VIL, L = VIH Min 8 8 ns tBLKH Burst Address Advance Low to Valid Clock Edge E = VIL, G = VIL, L = VIH Min 8 8 ns tELKH Chip Enable Low to Valid Clock Edge L = VIL X-Latency = 3 Min 9 6 ns L = VIL X-Latency = 4, 5 or 6 Min 6 6 ns tGLQV Output Enable Low to Output Valid E = VIL, L = VIH Max 15 15 ns tKHAX Valid Clock Edge to Address Transition E = VIL Min 5 5 ns tKHEL Valid Clock Edge to Chip Enable Low L = VIL Min 0 0 ns tKHLL Valid Clock Edge to Latch Enable Low E = VIL Min 0 0 ns tKHLH Valid Clock Edge to Latch Enable High E = VIL Min 0 0 ns tKHQX Valid Clock Edge to Output Transition E = VIL, G = VIL, L = VIH Min 2 2 ns tLLKH Latch Enable Low to Valid Clock Edge, E = VIL X-Latency = 3 Min 9 6 ns E = VIL X-Latency = 4, 5 or 6 Min 6 6 ns tRLKH Valid Data Ready Low to Valid Clock Edge E = VIL, G = VIL, L = VIH Min 6 6 ns tKHQV Valid Clock Edge to Output Valid E = VIL, G = VIL, L = VIH Max 8 8 ns 1. Data output should be read on the valid clock edge. 2. For other timings see Table 18: Asynchronous Bus Read AC characteristics. |
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