EM78P156N

OTP ROM

6.ELECTRICAL CHARACTERISTICS

6.1DC Electrical Characteristic

(Ta=25 °C, VDD=5V±5%, VSS=0V)

Symbol

Parameter

Condition

Min

Typ.

Max

Unit

FXT

XTAL: VDD to 3V

Two cycle with two clocks

DC

 

8.0

MHz

XTAL: VDD to 5V

Two cycle with two clocks

DC

 

20.0

MHz

 

 

ERC

ERC: VDD to 5V

R: 5.1KΩ, C: 100 pF

F±30%

940

F±30%

KHz

IIL

Input Leakage Current for input pins

VIN = VDD, VSS

 

 

±1

∝A

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(Schmitt trigger)

2.0

 

 

V

VILT1

Input Low Threshold Voltage (VDD=5V)

/RESET, TCC(Schmitt trigger)

 

 

0.8

V

VIHX1

Clock Input High Voltage (VDD=5V)

OSCI

3.5

 

 

V

VILX1

Clock Input Low Voltage (VDD=5V)

OSCI

 

 

1.5

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(Schmitt trigger)

1.5

 

 

V

VILT2

Input Low Threshold Voltage (VDD=3V)

/RESET, TCC(Schmitt trigger)

 

 

0.4

V

VIHX2

Clock Input High Voltage (VDD=3V)

OSCI

2.1

 

 

V

VILX2

Clock Input Low Voltage (VDD=3V)

OSCI

 

 

0.9

V

VOH1

Output High Voltage (Ports 5)

IOH = -12.0 mA

2.4

 

 

V

 

 

 

 

 

 

 

VOH1

Output High Voltage (Ports 6)

IOH = -12.0 mA

2.4

 

 

V

(Schmitt trigger)

 

 

 

 

 

 

 

 

VOL1

Output Low Voltage(Port5)

IOL = 12.0 mA

 

 

0.4

V

 

 

 

 

 

 

 

VOL1

Output Low Voltage (Ports 6)

IOL = 12.0 mA

 

 

0.4

V

(Schmitt trigger)

 

 

 

 

 

 

 

 

IPH

Pull-high current

Pull-high active, input pin at VSS

-50

-70

-240

∝A

IPD

Pull-down current

Pull-down active, input pin at VDD

25

50

120

∝A

ISB1

Power down current

All input and I/O pins at VDD,

 

1

2

∝A

output pin floating, WDT disabled

 

 

 

 

 

 

 

ISB2

Power down current

All input and I/O pins at VDD,

 

 

15

∝A

output pin floating, WDT enabled

 

 

 

 

 

 

 

 

ICC1

Operating supply current

/RESET= 'High', Fosc=32KHz

15

20

30

 

(VDD=3V)

(Crystal type,CLKS="0"), output

∝A

 

at two cycles/four clocks

pin floating, WDT disabled

 

 

 

 

ICC2

Operating supply current

/RESET= 'High', Fosc=32KHz

 

25

35

 

(VDD=3V)

(Crystal type,CLKS="0"), output

 

∝A

 

at two cycles/four clocks

pin floating, WDT enabled

 

 

 

 

ICC3

Operating supply current

/RESET= 'High', Fosc=4MHz

 

 

2.0

mA

(VDD=5.0V)

(Crystal type, CLKS="0"), output

 

 

 

at two cycles/two clocks

pin floating, WDT enabled

 

 

 

 

ICC4

Operating supply current

/RESET= 'High', Fosc=10MHz

 

 

4.0

mA

(VDD=5.0V)

(Crystal type, CLKS="0"), output

 

 

 

at two cycles/four clocks

pin floating, WDT enabled

 

 

 

 

* These parameters are characterizes but not tested.

This specification is subject to change without prior notice. 38

07.29.2004 (V1.2)