GMS82524 Datasheet, PDF (69/93 Pages) Hynix Semiconductor – 8-BIT SINGLE-CHIP MICROCONTROLLERS

GMS82512/16/24
SWITCHING WAVEFORMS
WAVEFORM
HYUNDAI MicroElectronics
INPUTS
Must be steady
May change
from H to L
May change
from L to H
Do not care any
change permitted
Does not apply
OUTPUTS
Will be steady
Will be changing
from H to L
Will be changing
from L to H
Changing state
unknown
Center line is
high impedance “Off” state
READING WAVEFORMS
V_IH
Addresses
V_IL
Addresses Valid
V_IH
See note (2)
OE
V_IL
t_AS
t_OE
t_DH
Output
V_IH
High-Z
V_IL
Valid Output
1. The input timing reference level is 1.0V for a V_IL and 4.0V for a V_IH at V_DD=5.0V.
2. To read the output data, transition requires on the OE form the high to the low after address setup time t_AS.
66
FEB. 2000 Ver 1.00