Philips CEM3000B Service Manual page 54

1 Semiconductor
Read Interruption by Precharge Command @Burst Length= = = = 8
0 1 2 3
CLK
CKE
CS
RAS
CAS
Ra
ADDR
A11
A10 Ra
WE
CAS Latency=1
DQ
UDQM,
LDQM
CAS Latency=2
DQ
UDQM,
LDQM
CAS Latency=3
DQ
UDQM,
LDQM
Row Active Read Command
*Note: 1. if row precharge is asserted before a burst read ends, then the read data will not output after l
equals CAS latency.
4 5 6 7 8
High
Ca
Qa0 Qa1 Qa3 Qa4 Qa5
Qa2
Qa0 Qa1 Qa2 Qa3 Qa4 Qa5
Qa0 Qa1 Qa2 Qa3 Qa4
Precharge Command
9 10 11 12 13 14
∗Note 1
l
ROH
∗Note 1
l
ROH
∗Note 1
Qa5
l
ROH
FEDD56V16160F-02
MSM56V16160F
15 16 17 18 19
ROH
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