LG Semicon
GMS81604/08
AC Characteristics
( V DD = 2.7~5.5V, VSS = 0 V , T A = -20 ~ 85 °C)
Parameter
Pin
Symbol
Main clock frequency
Oscillation stabilization Time
External Clock Pulse Width
External Clock Transition Time
Interrupt Pulse Width
RESET Input Low Width
Event Counter Input Pulse
Width
Event Counter Transition Time
*: tSYS is 2/fXIN.
X IN
X IN, XOUT
X IN
X IN
INT0, INT1, INT2, INT3
RESET
EC0, EC2
EC0, EC2
fXIN
tST
tCPW
tRCP, tFCP
tIW
tRST
tECW
tREC, tFEC
Timing Chart
Specifications
Min.
Typ.
Max.
1
-
8
20
-
-
80
-
-
-
-
20
2
-
-
8
-
-
2
-
-
-
-
20
Unit
MHz
ms
ns
ns
tSYS*
tSYS*
tSYS*
ns
XIN
INT0, INT1
INT2, INT3
RESET
EC0, EC2
1 / fXIN
tCPW
tCPW
tRCP
tF C P
tI W
tI W
0.8VDD
0.2VDD
tR S T
0.2VDD
tECW
0.8VDD
tREC
tECW
0.2VDD
tF E C
0.9VDD
0.1VDD
15