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HMN12816D Datasheet(PDF) 5 Page - Hanbit Electronics Co.,Ltd |
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HMN12816D Datasheet(HTML) 5 Page - Hanbit Electronics Co.,Ltd |
5 / 9 page HANBit HMN12816D URL : www.hbe.co.kr 5 HANBit Electronics Co.,Ltd Rev. 0.0 (April, 2002) READ CYCLE (TA= TOPR, VCCmin £ VCC≤ VCCmax ) -70 -85 -120 -150 PARAMETER SYMBOL CONDITIONS MIN MAX MIN MAX MIN MAX MIN MAX UNIT Read Cycle Time tRC 70 - 85 - 120 - 150 - ns Address Access Time tACC Output load A - 70 - 85 - 120 - 150 ns Chip enable access time tACE Output load A - 70 - 85 - 120 - 150 ns Output enable to Output valid tOE Output load A - 35 - 45 - 60 - 70 ns Chip enable to output in low Z tCLZ Output load B 5 - 5 - 5 - 10 - ns Output enable to output in low Z tOLZ Output load B 5 - 0 - 0 - 5 - ns Chip disable to output in high Z tCHZ Output load B 0 25 0 35 0 45 0 60 ns Output disable to output high Z tOHZ Output load B 0 25 0 25 0 35 0 50 ns Output hold from address change tOH Output load A 10 - 10 - 10 - 10 - ns WRITE CYCLE (TA= TOPR, Vccmin £ Vcc ≤ Vccmax ) -70 -85 -120 -150 PARAMETER SYMBOL CONDITIONS MIN MAX MIN MAX MIN MAX Min Max UNI T Write Cycle Time tWC 70 - 85 - 120 - 150 - ns Chip enable to end of write tCW Note 1 65 - 75 - 100 - 100 - ns Address setup time tAS Note 2 0 - 0 - 0 - 0 - ns Address valid to end of write tAW Note 1 65 - 75 - 100 - 90 - ns Write pulse width tWP Note 1 55 - 65 - 85 - 90 - ns Write recovery time (write cycle 1) tWR1 Note 3 5 - 5 - 5 - 5 - ns Write recovery time (write cycle 2) tWR2 Note 3 15 - 15 - 15 - 15 - ns Data valid to end of write tDW 30 - 35 - 45 - 50 - ns Data hold time (write cycle 1) tDH1 Note 4 0 - 0 - 0 - 0 - ns Data hold time (write cycle 2) tDH2 Note 4 10 - 10 - 10 - 0 - ns Write enabled to output in high Z tWZ Note 5 0 25 0 30 0 40 0 50 ns Output active from end of write tOW Note 5 5 - 0 - 0 - 5 - ns NOTE: 1. A write ends at the earlier transition of /CE going high and /WE going high. 2. A write occurs during the overlap of allow /CE and a low /WE. A write begins at the later transition of /CE going low and /WE going low. 3. Either tWR1 or tWR2 must be met. 4. Either tDH1 or tDH2 must be met. 5. If /CE goes low simultaneously with /WE going low or after /WE going low, the outputs remain in high- impedance state. |
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