EM78156EAS EMC [ELAN Microelectronics Corp], EM78156EAS Datasheet - Page 36

• Manufacturer Part Number: EM78156EAS
• Description: 8-Bit Microcontroller with MASK ROM
• Manufacturer: EMC [ELAN Microelectronics Corp]

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