4/( (FOLSVH( 'DWD 6KHHW 5HY $
6\PERO
tHWD
tSWE
tHWE
tWCRD
7DEOH 5$0 &HOO 6\QFKURQRXV :ULWH 7LPLQJ
3DUDPHWHU
9DOXH
0LQ
0D[
WD hold time to WCLK: time the WRITE DATA must be stable after the active edge
of the WRITE CLOCK
0 ns
-
WE setup time to WCLK: time the WRITE ENABLE must be stable before the active
edge of the WRITE CLOCK
0.623 ns
-
WE hold time to WCLK: time the WRITE ENABLE must be stable after the active
edge of the WRITE CLOCK
0 ns
-
WCLK to RD (WA = RA): time between the active WRITE CLOCK edge and the
time when the data is available at RD
-
4.38 ns
WCLK
WA
tSWA
tHWA
WD
tSWD
tHWD
WE
tSWE
tHWE
RD
old data
new data
tWCRD
)LJXUH 5$0 &HOO 6\QFKURQRXV :ULWH 7LPLQJ
7DEOH 5$0 &HOO 6\QFKURQRXV $V\QFKURQRXV 5HDG 7LPLQJ
6\PERO
5$0 &HOO 6\QFKURQRXV 5HDG 7LPLQJ
3DUDPHWHU
9DOXH
0LQ
0D[
tSRA
RA setup time to RCLK: time the READ ADDRESS must be stable before the active
edge of the READ CLOCK
0.686 ns
-
tHRA
RA hold time to RCLK: time the READ ADDRESS must be stable after the active
edge of the READ CLOCK
0 ns
-
tSRE
RE setup time to WCLK: time the READ ENABLE must be stable before the active
edge of the READ CLOCK
0.243 ns
-
tHRE
RE hold time to WCLK: time the READ ENABLE must be stable after the active
edge of the READ CLOCK
0 ns
-
ZZZTXLFNORJLFFRP
Preliminary 4XLFN/RJLF &RUSRUDWLRQ