Timing Chart - Philips CEM3000B Service Manual

1 Semiconductor

TIMING CHART

Read & Write Cycle (Same Bank) @CAS
0 1 2 3
CLK
CKE
CS
RAS
t
RCD
CAS
ADDR Ra
A11
A10 Ra
DQ
WE
UDQM,
LDQM
Row Active
Read Command
CAS CAS Latency= = = = 2, Burst Length= = = = 4 CAS
4 5 6 7 8
t
RC
Ca0
t
OH
Qa0 Qa1 Qa2 Qa3
t t
AC OHZ
Precharge Command
9 10 11 12 13 14
t
RP
Rb Cb0
Rb
Db0 Db1 Db2 Db3
Row Active
Write Command
FEDD56V16160F-02
MSM56V16160F
15 16 17 18 19
t
WR
Precharge Command
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