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AC Characteristics
(VDD = 2.7~5.5V, VSS = 0V, TA = -20 ~ 80
°C)
Parameter
Pin
Symbol
Specifications
Unit
Min.
Typ.
Max.
Main clock frequency
XIN
fXIN
1
-
8
MHz
Oscillation stabilization Time
XIN, XOUT
tST
20
-
-
ms
External Clock Pulse Width
XIN
tCPW
80
-
-
ns
External Clock Transition Time
XIN
tRCP, tFCP
-
-
20
ns
Interrupt Pulse Width
INT0, INT1
tIW
2
-
-
tSYS
RESET Input Low Width
RESET
tRST
8
-
-
tSYS
Event Counter Input Pulse
Width
EC0
tECW
2
-
-
tSYS
Event Counter Transition Time
EC0
tREC, tFEC
-
-
20
ns
XIN
1 / fOSC
tRCP
tFCP
tCPW
tCPW
0.1VDD
0.9VDD
tIW
0.8VDD
0.2VDD
tIW
INT0, INT1
RESET
tRST
0.2VDD
EC0
tREC
tFEC
tECW
tECW
0.8VDD
0.2VDD
Timing Chart
HYUNDAI MicroElectronics
GMS81504
13