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HMS3224M3-20 Datasheet(PDF) 8 Page - Hanbit Electronics Co.,Ltd |
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HMS3224M3-20 Datasheet(HTML) 8 Page - Hanbit Electronics Co.,Ltd |
8 / 10 page HANBit HMS3224M3/Z3 HANBit Electronics Co.,Ltd. 8 3. tCW is measured from the later of /CE going low to the end of write. 4. tAS is measured from the address valid to the beginning of write. 5. tWR is measured from the end of write to the address change. tWR applied in case a write ends as /CE, or /WE going high. 6. If /OE,/CE and /WE are in the read mode during this period, the I/O pins are in the output low-Z state. Inputs of opposite phase of the output must not be applied because bus contention can occur. 7. For common I/O applications, minimization or elimination of bus contention conditions is necessary during read and write cycle. 8. If /CE goes low simultaneously with /WE going low or after /WE going low, the outputs remain high impedance state. 9. DOUT is the read data of the new address. 10. When /CE is low: I/O pins are in the output state. The input signals in the opposite phase leading to the output should not be applied. FUNCTIONAL DESCRIPTION /CE /WE /OE MODE I/O PIN SUPPLY CURRENT H X* X Not Select High-Z l SB, l SB1 L H H Output Disable High-Z lCC LH L Read DOUT lCC L L X Write DIN lCC Note: X means Don't Care |
Similar Part No. - HMS3224M3-20 |
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Similar Description - HMS3224M3-20 |
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