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MCM63R836FC4.0 bảng dữ liệu(PDF) 8 Page - Freescale Semiconductor, Inc |
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MCM63R836FC4.0 bảng dữ liệu(HTML) 8 Page - Freescale Semiconductor, Inc |
8 / 21 page MCM63R836 •MCM63R918 8 MOTOROLA FAST SRAM AC OPERATING CONDITIONS AND CHARACTERISTICS (2.375 V ≤ VDD ≤ 3.6 V, 0°C ≤ TA ≤ 70°C, Unless Otherwise Noted) Input Pulse Levels 0.25 to 1.25 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input Rise/Fall Time 1 V/ns (20% to 80%) . . . . . . . . . . . . . . . . . . . . . . Input Timing Measurement Reference Level 0.75 V . . . . . . . . . . . . . . Output Timing Reference Level 0.75 V . . . . . . . . . . . . . . . . . . . . . . . . . Clock Input Timing Reference Level Differential Cross–Point . . . . . . ZQ for 50 Ω Impedance 250 Ω . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R θJA Device 22 _C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . READ/WRITE CYCLE TIMING (See Note 1) 63R836–3.0 63R918–3.0 63R836–3.3 63R918–3.3 63R836–3.7 63R918–3.7 63R836–4.0 63R918–4.0 Parameter Symbol Min Max Min Max Min Max Min Max Unit Notes Cycle Time tKHKH 3 — 3.3 — 3.7 — 4 — ns Clock High Pulse Width tKHKL 1.2 — 1.2 — 1.5 — 1.5 — ns Clock Low Pulse Width tKLKH 1.2 — 1.2 — 1.5 — 1.5 — ns Clock High to Output Low–Z tKHQX1 0.5 — 0.5 — 0.5 — 0.5 — ns 1, 2 Clock High to Output Valid tKHQV — 1.5 — 1.65 — 1.85 — 2 ns Clock High to Output Hold tKHQX 0.5 — 0.5 — 0.5 — 0.5 — ns 1 Clock High to Output High–Z tKHQZ — 1.5 — 1.6 — 1.7 — 2 ns 1, 3 ZZ High to Sleep Mode tZZE 3 — 3.3 — 3.7 — 4 — ns ZZ Low to Recovery tZZR — 10 — 10 — 10 — 10 ns Setup Times: Address Data In Chip Select Write Enable tAVKH tDVKH tSVKH tWVKH 0.5 — 0.5 — 0.5 — 0.5 — ns Hold Times: Address Data In Chip Select Write Enable tKHAX tKHDX tKHSX tKHWX 0.5 — 0.5 — 0.5 — 0.5 — ns NOTES: 1. This parameter is sampled and not 100% tested. 2. Measured at ± 200 mV from steady state. 3. Measured at ± 200 mV from steady state. See Test Load Figure 1b. Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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