EM78P447S
OTP ROM
6.2 AC Electrical Characteristic
(Ta=0°C ~ 70 °C, VDD=5V±5%, VSS=0V)
Symbol
Dclk
Parameter
Input CLK duty cycle
Conditions
Min
45
Typ
50
Max
55
Unit
%
Crystal type
RC type
100
500
(Tins+20)/N*
11.3
DC
DC
ns
ns
ns
ms
ns
ms
ns
ns
ns
Instruction cycle time
(CLKS="0")
Tins
Ttcc
Tdrh
Trst
Twdt
Tset
TCC input period
Device reset hold time
/RESET pulse width
Watchdog timer period
Input pin setup time
Input pin hold time
16.2
21.6
21.6
Ta = 25°C
Ta = 25°C
Ta = 25°C
2000
11.3
16.2
0
20
50
Thold
Tdelay
Output pin delay time
Cload=20pF
ꢀ
N= selected prescaler ratio.
This specification is subject to change without prior notice.
36
06.25.2003 (V1.1)
ELAN [ ELAN MICROELECTRONICS CORP ]
