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HYUNDAI MicroElectronics GMS90X5XC Series
26 Jan. 2001 Ver 1.0
2) Capacitive loading on ports 0 and 2 may cause the V
OH
on ALE and PSEN to momentarily fall below the 0.9V
CC
specifica-
tion when the address lines are stabilizing.
3) I
CC
Max at other frequencies is given by:
active mode: I
CC
= 1.27
×
f
OSC
+ 5.73
idle mode: I
CC
= 0.28
×
f
OSC
+ 1.45 (except OTP devices)
where f
OSC
is the oscillator frequency in MHz. I
CC
values are given in mA and measured at V
CC
= 5V.
4) I
CC
(active mode) is measured with:
XTAL1 driven with t
CLCH
, t
CHCL
= 5ns, V
IL
= V
SS
+ 0.5V, V
IH
= V
CC
- 0.5V; XTAL2 = N.C.;
EA
= Port0 = RESET = V
CC
; all other pins are disconnected. I
CC
would be slightly higher if a crystal oscillator is used (appr.
1mA).
5) I
CC
(Idle mode) is measured with all output pins disconnected and with all peripherals disabled;
XTAL1 driven with t
CLCH
, t
CHCL
= 5ns, V
IL
= V
SS
+ 0.5V, V
IH
= V
CC
- 0.5V; XTAL2 = N.C.;
RESET = EA
= V
SS
; Port0 = V
CC
; all other pins are disconnected;
6) I
PD
(Power Down Mode) is measured under following conditions:
EA
= Port0 = V
CC
; RESET = V
SS
; XTAL2 = N.C.; XTAL1 = V
SS
; all other pins are disconnected.