Philips CE130/55 Service Manual page 54

1 Semiconductor
*Note: 1. When CS is set "High" at a clock transition from "Low" to "High", all inputs except CKE, UDQM
and LDQM are invalid.
2. When issuing an active, read or write command, the bank is selected by A11.
A11
0
1
3. The auto precharge function is enabled or disabled by the A10 input when the read or write command
is issued.
A10
0
1
0
1
4. When issuing a precharge command, the bank to be precharged is selected by the A10 and A11 inputs.
A10
0
0
1
5. The input data and the write command are latched by the same clock (Write latency=0).
6. The output is forced to high impedance by (1CLK+ t
Active, read or write
Bank A
Bank B
A11
0 After the end of burst, bank A holds the idle status.
0 After the end of burst, bank A is precharged automatically.
1 After the end of burst, bank B holds the idle status.
1 After the end of burst, bank B is precharged automatically.
A11 Operation
0 Bank A is precharged.
1 Bank B is precharged.
X Both banks A and B are precharged.
Operation
) after UDQM, LDQM entry.
OHZ
FEDD56V16160F-02
MSM56V16160F
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