ELAN Home Systems EM78P458 - Manual (Page 57)

EM78P458/459
OTP ROM
6. ELECTRICAL CHARACTERISTICS
6.1 DC Electrical Characteristic (Ta=0 °C ~ 70 °C, VDD=5.0V±5%, VSS=0V)
Symbol Parameter Condition Min Typ Max Unit
XTAL: VDD to 3V DC 8 MHz
XTAL: VDD to 5V
Two cycle with two clocks
DC 20 MHz Fxt
RC: VDD to 5V R: 5.1K Ω, C: 100pF F ±30% 760 F ±30% KHz
IIL Input Leakage Current for input pins VIN = VDD, VSS ±1 µA
VIH1 Input High Voltage,VDD=5V Ports 5, 6 2.0 V
VIL1 Input Low Voltage,VDD=5V Ports 5, 6 0.8 V
VIHT1 Input High Threshold Voltage,VDD=5V /RESET, TCC 2.0 V
VILT1 Input Low Threshold Voltage,VDD=5V /RESET, TCC 0.8 V
VIHX1 Clock Input High Voltage,VDD=5V OSCI 2.5 V
VILX1 Clock Input Low Voltage,VDD=5V OSCI 1.0 V
VIH2 Input High Voltage,VDD=3V Ports 5, 6 1.5 V
VIL2 Input Low Voltage,VDD=3V Ports 5, 6 0.4 V
VIHT2 Input High Threshold Voltage,VDD=3V /RESET, TCC 1.5 V
VILT2 Input Low Threshold Voltage,VDD=3V /RESET, TCC 0.4 V
VIHX2 Clock Input High Voltage,VDD=3V OSCI 1.5 V
VILX2 Clock Input Low Voltage,VDD=3V OSCI 0.6 V
VOH1
Output High Voltage
(Ports 5, 6)
IOH = -12.0 mA 2.4 V
VOL1
Output Low Voltage (P51~P57, P60~P63,
P66~P67)
IOL = 12.0 mA 0.4 V
VOL2 Output Low Voltage (P64,P65) IOL = 16.0 mA 0.4 V
IPH Pull-high current
Pull-high active, input pin at
VSS
-50 -100 -240 µA
IPD Pull-down current
Pull-down active, input pin at
VDD
25 50 120 µA
ISB Power down current
All input and I/O pins at VDD,
output pin floating, WDT
enabled
10 µA
ISB Power down current
All input and I/O pins at VDD,
output pin floating, WDT
disabled
1 µA
ICC1
Operating supply current (VDD=3V) at two
clocks
/RESET='High',Fosc=32KHz
(Crystal type, two clocks),
output pin floating, WDT
disabled
15 30 µA
ICC2
Operating supply current (VDD=3V) at two
clocks
/RESET=‘High',Fosc=32KHz
(Crystal type, two clocks),
output pin floating, WDT
enabled
19 35 µA
ICC3
Operating supply current (VDD=5.0V) at
two clocks
/RESET='High', Fosc=2MHz
(Crystal type, two clocks),
output pin floating
2 mA
ICC4
Operating supply current (VDD=5.0V) at
two clocks
/RESET='High', Fosc=4MHz
(Crystal type, two clocks),
output pin floating
4.0 mA
This specification is subject to change without prior notice. 07.01.2003 (V1.3) 57