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RMLV0408E Datasheet(PDF) 5 Page - Renesas Technology Corp |
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RMLV0408E Datasheet(HTML) 5 Page - Renesas Technology Corp |
5 / 12 page RMLV0408E Series Preliminary R10DS0217EJ0001 Rev.0.01 Page 5 of 10 2013.09.10 AC Characteristics Test Conditions (Vcc = 2.7V ~ 3.6V, Ta = -40 ~ +85°C) Input pulse levels: VIL = 0.4V, VIH = 2.4V Input rise and fall time: 5ns Input and output timing reference level: 1.4V Output load: See figures (Including scope and jig) Read Cycle Parameter Symbol RMLV0408EG**-4S2 RMLV0408EG**-5S2 Unit Note Min. Max. Min. Max. Read cycle time tRC 45 ─ 55 ─ ns Address access time tAA ─ 45 ─ 55 ns Chip select access time tACS ─ 45 ─ 55 ns Output enable to output valid tOE ─ 22 ─ 30 ns Output hold from address change tOH 10 ─ 10 ─ ns Chip select to output in low-Z tCLZ 10 ─ 10 ─ ns 7,8 Output enable to output in low-Z tOLZ 5 ─ 5 ─ ns 7,8 Chip deselect to output in high-Z tCHZ 0 18 0 20 ns 7,8,9 Output disable to output in high-Z tOHZ 0 18 0 20 ns 7,8,9 Write Cycle Parameter Symbol RMLV0408EG**-4S2 RMLV0408EG**-5S2 Unit Note Min. Max. Min. Max. Write cycle time tWC 45 ─ 55 ─ ns Address valid to write end tAW 35 ─ 50 ─ ns Chip select to write end tCW 35 ─ 50 ─ ns Write pulse width tWP 35 ─ 40 ─ ns 10 Address setup time to write start tAS 0 ─ 0 ─ ns Write recovery time from write end tWR 0 ─ 0 ─ ns Data to write time overlap tDW 25 ─ 25 ─ ns Data hold from write end tDH 0 ─ 0 ─ ns Output enable from write end tOW 5 ─ 5 ─ ns 7 Output disable to output in high-Z tOHZ 0 18 0 20 ns 7,9 Write to output in high-Z tWHZ 0 18 0 20 ns 7,9 Note 7. This parameter is sampled and not 100% tested. 8. At any given temperature and voltage condition, tCHZ max is less than tCLZ min, and tOHZ max is less than tOLZ min, for any device. 9. tCHZ, tOHZ and tWHZ are defined as the time when the I/O pins enter a high-impedance state and are not referred to the I/O levels. 10. tWP is the interval between write start and write end. A write starts when both of CS# and WE# become active A write is performed during the overlap of a low CS#, a low WE# A write ends when any of CS#, WE# becomes inactive. I/O 1.4V RL = 500 ohm CL = 30 pF (-4S2) CL = 50 pF (-5S2) |
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