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1117105<br />

EIGHT DIGIT DRIVER<br />

D.C. Specification<br />

Specification to apply over the temperature<br />

range <strong>of</strong> O°C to +50°C and for all states <strong>of</strong><br />

the truth table. All voltages are measured with<br />

respect to Vss = OV.<br />

Para· VBa.ttery VDD Typ<br />

meter<br />

Vo!. -5.0V -15.5V 0.9<br />

Ion -5.0V -15.5V<br />

lOll -5.0V -15.5V 200<br />

Inattery 0 -5.0V -15.5V -220<br />

h~attery 1 -5.0V -15.5V -350<br />

IDD -5.0V -15.5V -100<br />

Max Units<br />

Test Conditions<br />

1.1 V VIII - OV applied through<br />

3.6 kn, 10L = 20mA<br />

-50 /LA VIII = OV, VOH = 3.0V<br />

300 /LA VIII = OV<br />

-500 /LA VIII = OV, all inputs data<br />

and select open<br />

-800 /LA VIII = OV, select and any<br />

1 data input = OV<br />

-300 /LA VIII = OV<br />

Terminology<br />

VOL Output ON voltage.<br />

IOT~ Load current into an ON output.<br />

lOll Leakage curent into an OFF output<br />

biased at VOH.<br />

hll Current into a high input biased at<br />

VIII.<br />

TRUTH TABLE<br />

INPUTS<br />

LOGIC D D1·5 D2·6 D3·7 D4·8<br />

PIN NOS. 2 7 8<br />

. 6 5<br />

-<br />

0 0 0 0 0<br />

0 1 0 0 0<br />

0 0 1 0 0<br />

0 0 0 1 0<br />

0 0 0 0 1<br />

1 0 0 0 0<br />

1 1 0 0 0<br />

1 0 1 0 0<br />

1 0 0 1 0<br />

1 0 0 0 1<br />

For inputs<br />

o represents the pin left open circuit.<br />

1 represents the pin taken to a positive potential.<br />

D1<br />

16<br />

1<br />

0<br />

1<br />

1<br />

1<br />

VIII<br />

IBattery<br />

IDD<br />

Voltage used for turning an input ON.<br />

Current drawn by the circuit from<br />

VBatteryo<br />

Current drawn by the circuit from VDD•<br />

OUTPUTS<br />

D2 03 04 05 06 07 08<br />

15 14 13 12 11 10 9<br />

1 1 1 1 1 1 1<br />

1 1 1 1 1 1 1<br />

0 1 1 1 1 1 1<br />

1 0 1 1 1 1 1<br />

1 1 0 1 1 1 1<br />

1<br />

1<br />

1<br />

1<br />

1<br />

1<br />

1<br />

1<br />

1<br />

1<br />

1<br />

1<br />

1<br />

1<br />

1<br />

1<br />

1<br />

1<br />

1<br />

1<br />

1<br />

0<br />

1<br />

1<br />

1<br />

1<br />

1<br />

0<br />

1<br />

1<br />

1<br />

1<br />

1<br />

0<br />

1<br />

1<br />

1<br />

1<br />

1<br />

0<br />

For outputs<br />

o represents the output turned on and capable<br />

<strong>of</strong> sinking up to 20 mA to ground.<br />

1 represents the output turned <strong>of</strong>f.<br />

8-21

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