~ National ~ Semiconductor - Al Kossow's Bitsavers

4.0 Electrical Specifications (Continued)
Slow Buffered Write of OMEM
Symbol 10# Parameter Formula Min Max Units
tSU-RW-CO 1 RAE, REM-WR Falling before ClK-OUT Rising 14 ns
tH-RW-X 2 RAE, REM-WR Rising after XACK Rising 0 ns
tSU-CMD-CO 3 CMD Valid before ClK-OUT Falling 0 ns
tH-CMD-CO 4 CMD Invalid after ClK-OUT Falling 35 ns
tpD-RW-X 5 RAE, REM-WR Falling to XACK Falling 40 ns
tpD-WR-X 6 WRITE Falling to XACK Rising (nDW+ 1)T+ -32 ns
tPD-RR-WR 7 REM-WR, RAE Rising to WRITE Rising 8 ns
tZA-lCl-AAD 8 A, AD Disabled before lCl Rising 2 ns
tAZ-lCl-AAD 9 A, AD Enabled before lCl Falling 17 ns
tW-WR-b 10 WRITE low (nDW+1)T+ 0 ns
Note 1: All parameters are individually tested and guaranteed. Interpreting this data by numerically adding two or more parameters to create a new timing
specification may lead to invalid results.
ClK-OUT
Slow Buffered Write of OMEM
RAE
~£=~
CMD
0~0
-~
REM-WR
XACK
1-0 - CD -
--°-:1
lk
lCL
WRITE
AD,A
-0- ---0-
-) -0 . @ .
-~
~
-0
TL/F/9336-72
2-83