GMS81508A Datasheet, PDF (69/91 Pages) Hynix Semiconductor – USERS MANUAL

HYUNDAI MicroElectronics
  
4.5.3. Microprocessor Mode I/O Timing
( Vdd = 5.0V±10%, Vss = 0 , Ta = -20 85 ,f (Xin) = 8 )
Parameter
Pin
Symbol Unit
SPECIFICATION
etc
MIN.
TYP. MAX.
Control Clock Output Width
C
tCL
ns
90
-
Address Output Delay Time
A0 ~ A15
tdCA
ns
-
80
Data Output Delay Time
D0 ~ D7
tdCD
ns
-
180
Data Output Hold Time
D0 ~ D7
thw
ns
-
20
Data Input Setup Time
D0 ~ D7
tsuR
ns
80
-
Data Input Hold Time
D0 ~ D7
thR
ns
15
-
Rd Output Delay Time
Rd
tdRd
tsys
-
90
Wt Output Delay Time
Wt
tdW t
tsys
-
130
R/W Output Delay Time
R/W
tdRW
tsys
-
50
sync Output Delay Time


SYNC
Timing Chart
tdsync tsys
-
50
C
A0~A15
write mode
D0~D7
tsys
tcw
tcw
0.8Vdd
0.2Vdd
tdCA
0.8Vdd
0.2Vdd
tdCD
0.8Vdd
0.2Vdd
thW
read mode
D0~D7
Rd
Wt
R/W
SYNC
tstR
thR
tdRd
0.2Vdd
tdWt
tdRW
0.8Vdd
0.2Vdd
0.2Vdd
tdsync
0.8Vdd
0.2Vdd
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