EM78468
8-BIT Microcontroller
6.2 AC Electrical Characteristics
(Ta=- 40°C ~ 85 °C, VDD=5V±5%, GND=0V)
Symbol
Dclk
Parameter
Input CLK duty cycle
Conditions
Min
45
Typ
50
Max
55
Unit
%
Crystal type
RC type
100
500
DC
DC
ns
ns
Instruction cycle time
(CLKS="0")
Tins
Ttcc
Tdrh
Trst
Twdt
Tset
Thold
TCC input period
(Tins+20)/N*
11.3
ns
ms
ns
Device reset hold time
/RESET pulse width
Watchdog timer period
Input pin setup time
Input pin hold time
16.2
16.2
21.6
21.6
Ta = 25°C
Ta = 25°C
Ta = 25°C
2000
11.3
ms
0
ns
ns
ns
20
50
Tdelay Output pin delay time
Cload=20pF
* N= selected pre-scaler ratio.
Product Specification (V1.1) 04.11.2005
• 59
(This specification is subject to change without further notice)
ELAN [ ELAN MICROELECTRONICS CORP ]
