~ National ~ Semiconductor - Al Kossow's Bitsavers

4.0 Electrical Specifications (Continued)
latched Read of OMEM
Symbol 10# Parameter Formula Min Max Units
tSU-RR-CO 1 RAE, REM-RD Falling before ClK-OUT Rising 14 ns
tH-RR-X 2 RAE, REM-RD 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-RR-X 5 RAE, REM-RD Falling to XACK Falling 31 ns
tZA-lCl-AAD 6 A, AD Disabled before lCl Rising 2 ns
tAZ-lCl-AAD 7 A, AD Enabled before lCl Falling 17 ns
tpD-RD-X 8 READ Falling before XACK Rising (nDW+1)T+ -25 ns
tpD-X-RD 9 XACK Rising to READ Rising 0.5T+ -4 ns
tW-RD 10 READ low (nDW + 1.5)T + -14 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
latched Read of OMEM
RAE
0~0
CMD
~: Y~~~ffA
- I-CD - CD -
REM-RD ""'"
-°-:1
XACK ~
lCl
READ
AD,A
-0--0 -
-) -0 . @-
-~
-0
TL/F/9336-69
2-80