CYD01S36V
CYD02S36V/36VA/CYD04S36V
CYD09S36V/CYD18S36V
Switching Waveforms (continued)
Figure 15. Readback State of Address Counter or Mask Register[46, 47, 48, 49]
CLK
EXTERNAL
ADDRESS A0–A16
INTERNAL ADDRESS
| tCYC2 | |
| tCH2 | tCL2 |
tSA | tHA | tCA2 or tCM2 |
An | An* |
An | An+1 |
An+2 | An+3 | An+4 |
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| tSAD | t | HAD |
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| ADS |
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| tSCN | tHCN |
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| CNTEN |
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| tCD2 |
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| tCKHZ |
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DATAOUT |
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LOAD READBACK INCREMENT
EXTERNAL COUNTER
ADDRESS INTERNAL
ADDRESS
tCKLZ
Qn+1 Qn+2 Qn+3
Notes
46.CE0 = OE = BE0 – BE3 = LOW; CE1 = R/W = CNTRST = MRST = HIGH.
47.Address in output mode. Host must not be driving address bus after tCKLZ in next clock cycle.
48.Address in input mode. Host can drive address bus after tCKHZ.
49.An * is the internal value of the address counter (or the mask register depending on the CNT/MSK level) being Read out on the address lines.
Document Number: | Page 21 of 28 |
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