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ITT - Index of

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<strong>ITT</strong>54155, <strong>ITT</strong>54156, <strong>ITT</strong>74155, <strong>ITT</strong>74156<br />

DUAL 2-LlNE-TO-4-LlNE DECODERS/DEMULTIPLEXERS<br />

schematic<br />

STROBE<br />

lG<br />

VCC~--~-----'----r-~~~~~--,<br />

4 2<br />

4<br />

kn kn<br />

kn<br />

DATA<br />

1C<br />

TO OUTPUT GATES<br />

1Z0.1Z1.1Z2.1Z3<br />

4<br />

kn<br />

1<br />

kn<br />

~--~~--1-~~--~-----'<br />

2<br />

kn<br />

4 2<br />

kn kn<br />

TO OUTPUT GATES<br />

1Z0.1Z1. 2Z0. 2Z1<br />

SELECT ~~<br />

B<br />

TO OUTPUT GATES<br />

1 Z2. 1 Z3. 2Z2. 2Z3<br />

4<br />

kn<br />

.----4~--~~~--~-----.<br />

2<br />

kn<br />

4<br />

kn<br />

2<br />

kn<br />

TO OUTPUT GATES<br />

1 ZOo 1 Z2. 2Z0. 2Z2<br />

SELECT ~---r<br />

A<br />

TO OUTPUT GATES<br />

1Z1. 1Z3. 2Z1. 2Z3<br />

DATA<br />

4<br />

kn<br />

2C ~~<br />

STROBE<br />

2G 0---+--__ ------'<br />

4<br />

kn<br />

1<br />

kn<br />

GND o--~--~--------------~~-J<br />

TO OUTPUT GATES<br />

2Z0. 2Z1. 2Z2. 2Z3<br />

Component values shown are nominal. W V CC bus<br />

3-192

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