VT6516 ETC, VT6516 Datasheet - Page 68

• Manufacturer Part Number: VT6516
• Description: 16/12 PORT 10/1000 ASE T/TX
• Manufacturer: ETC

- DRAM interface Timing Characteristics
SYMBOL
t
t
t
t
t
t
t
t
DCLK llrhhhhfllllrhhhhfllllrhhhflllrhh
BA
RAS
CAS
DWE
DCS
MA
MD
MA
MDS
MD
BA
RAS
CAS
DW
DCS
E
,
t
MDH
v
+t
zzzzndddddddddozzzzzzzzznddddddd
nddddozzzzzzzzzzzzzzzzzznddddddo
zzzzzndddddddddozzzzzzzzznddddddd
zzzzzndddddddddozzzzzzzzznddddddd
zzzzzndddddddddozzzzzzzzznddddddd
zzzzzndddddddddozzzzzzzzznddddddd
zzzzzndddddddddozzzzzzzzznddddddd
VIA Technologies, Inc.
MDS
+ t
+
+
+
+
+
+
~
DESCRIPTION
MA output delay
MD input
MD output delay
BA0, BA1 output delay
RAS0, RAS1 output
delay
CAS0, CAS1 output
delay
DWE0, DWE1 output
delay
DCS3~0 output delay
\\
t
t
t
t
t
MA
NDH
t
RA
CAS
D
DCS
BA
WE
~
input cycle
S
~
~
~
~
~
~
v
SETUP
1.5
-68-
turn around cycle v output cycle
HOLD
2
Preliminary VT6516 Datarsheet
MIN
+
2
2
2
2
2
2
2
t
MD
~
MAX
6.5
6.5
6.5
6.5
6.5
6.5
6
v