EM78156E
8-Bit Microcontroller with MASK ROM
Symbol
Parameter
Condition
Min Typ.
Max
Unit
/RESET= 'High', Fosc=32KHz
(Crystal type,CLKS="0"),
output pin floating, WDT
disabled
/RESET= 'High', Fosc=32KHz
(Crystal type,CLKS="0"),
output pin floating, WDT
enabled
/RESET= 'High', Fosc=4MHz
(Crystal type, CLKS="0"),
output pin floating, WDT
enabled
/RESET= 'High', Fosc=10MHz
(Crystal type, CLKS="0"),
output pin floating, WDT
enabled
Operating supply current
(VDD=3V)
at two cycles/four clocks
ICC1
15
15
20
30
µA
Operating supply current
(VDD=3V)
at two cycles/four clocks
ICC2
ICC3
ICC4
35
2.0
4.0
µA
mA
mA
Operating supply current
(VDD=5.0V)
at two cycles/two clocks
Operating supply current
(VDD=5.0V)
at two cycles/four clocks
6.2 AC Electrical Characteristic
(Ta=25 °C, VDD=5V±5%, VSS=0V)
Symbol
Parameter
Conditions
Min
45
Typ
Max
Unit
%
Dclk
Input CLK duty cycle
50
55
DC
DC
Crystal type
RC type
100
500
ns
Instruction cycle time
(CLKS="0")
Tins
ns
Ttcc
Tdrh
Trst
TCC input period
ns
(Tins+20)/N*
11.8
Device reset hold time
/RESET pulse width
Watchdog timer period
Input pin setup time
Input pin hold time
Output pin delay time
16.8
21.8
21.8
ms
ns
Ta = 25°C
Ta = 25°C
Ta = 25°C
2000
Twdt
Tset
11.8
16.8
0
ms
ns
Thold
Tdelay
20
50
ns
Cload=20pF
ns
* N= selected prescaler ratio.
32 •
Product Specification (V1.3) 07.29.2004
(This specification is subject to change without further notice)
ELAN [ ELAN MICROELECTRONICS CORP ]
