GMS81508A Datasheet, PDF (70/91 Pages) Hynix Semiconductor – USERS MANUAL

4.5.4. Bus Holding Timing
Parameter
Pin
BRQ Setup Time
BAK Delay Time
BAK Release Delay Time
Bus(Address,Data) Control Release
Delay Time
BRQ
BAK
BAK
D0 ~ D7
A0 ~ A15
Rd,W t,R/W
GMS81508/16
  
( Vdd = 5.0V±10%, Vss = 0 , Ta = -20 85 ,f (Xin) = 8 )
Symbol Unit
SPECIFICATION
etc
MIN.
TYP. MAX.
tSUB
tsys
100
-
tdBA
tsys
-
50
tdRBA tsys
-
220
tdRA
tsys
-
210

Timing Chart
Instruction Ececution
C
SYNC
BRQ
tsuB
0.2Vdd
0.2Vdd
BAQ
D0~D7
A0~A15
Rd
Wt
R/W
Holding Cycle
Instruction Ececution
0.2Vdd
tdBA
0.2Vdd
tsuB
tdRBA
0.8Vdd
Hi-Z
tdRA
0.8Vdd
0.2Vdd
65