GMS82512/16/24
HYUNDAI MicroElectronics
7.5 AC Characteristics
(TA=-20~+85°C, VDD=5V±10%, VSS=0V)
Specifications
Unit
Parameter
Symbol
Pins
Min.
Typ.
Max.
fXIN
tST
XIN
Operating Frequency
1.0
-
10.0
MHz
ms
Oscillation Stabilizing
Time
XIN, XOUT
-
40
-
-
-
-
20
-
External Clock Pulse
Width
tCPW
XIN
XIN
ns
ns
External Clock Transi-
tion Time
tRCP, FCP
t
20
tIW
tSYS
tSYS
Interrupt Pulse Width
RESET Input Width
INT0, INT1, INT2, INT3
RESET
2
8
-
-
-
-
tRST
Event Counter Input
Pulse Width
tECW
tSYS
ns
EC0
EC0
2
-
-
-
-
Event Counter Transi-
tion Time
tREC, FEC
t
20
t
= 1/f
t
t
CPW
SYS
XIN
CPW
V
-0.5V
DD
XIN
0.5V
t
t
RCP
FCP
t
t
IW
IW
0.8V
DD
INT0~INT3
RESET
0.2V
DD
t
RST
0.2V
DD
t
t
ECW
ECW
0.8V
DD
EC0
0.2V
DD
t
t
REC
FEC
Figure 7-1 Timing Chart
12
FEB. 2000 Ver 1.00
HYNIX [ HYNIX SEMICONDUCTOR ]
