17.05.2015 Views

TheTTL - Al Kossow's Bitsavers

TheTTL - Al Kossow's Bitsavers

TheTTL - Al Kossow's Bitsavers

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

~<br />

SN54S484A, SN54S485A, SN74S484A, SN74S485A<br />

BCD·TO·BINARY AND BINARY·TO·BCD CONVERTERS<br />

SN54S484A. SN74S484A<br />

SN54S485A. SN74S485A<br />

BCD-TO-BINARY CONVERTER<br />

BINARY-TO-BCD CONVERTER<br />

FUNCTION TABLE<br />

FUNCTION TABLE<br />

INPUTS<br />

OUTPUTS<br />

INPUTS<br />

OUTPUTS<br />

H G E 0 A V8 V7 V6 V5 V4 V3<br />

V2 VI H G F<br />

E 0 C 8 A V8 V7 V6 V5 V4<br />

Y3 V2 VI<br />

160 80 40 20 10 8 2 256 128 64 32 16 8<br />

2 256128 64<br />

32 16 8 4 2 160 80 40 20 10<br />

8 4 2<br />

L L L<br />

L L L<br />

L L L<br />

L L L L L L L L L L<br />

L L L L H L L L L L<br />

L L L<br />

L L H<br />

L L L<br />

L L L H L L L L L L<br />

L H L<br />

H<br />

. L<br />

L L L<br />

L L L H H L L L L L<br />

L H H<br />

L L L<br />

L L H L L L L L L L<br />

H L L<br />

L L L<br />

L L H L H L L L L H<br />

L L L<br />

L L L<br />

L L H H L L L L L H<br />

L L H<br />

H<br />

L L L<br />

L L H H H L L L L H<br />

L H L<br />

H<br />

L L L<br />

L H L L L L L L L H<br />

L H H<br />

H<br />

L L L<br />

L H L L H L L L L H<br />

H L L<br />

L L L<br />

L H L H L L L L H L<br />

r<br />

L L L<br />

H jH H H L . H<br />

H L L L H H H L H H H L L L H L<br />

H H H H H<br />

H L L L H H H H H H H L L L H H<br />

H H<br />

H L L H L L L L H H H L L H L L<br />

H H H H<br />

H L L H L L L H H H H L H L L L<br />

H H H H<br />

H L L H L L H L H H H L H L L H<br />

H H H H<br />

H L L H L L H H H H H L H L H L<br />

H H H<br />

H L L H L H L L H H H L H L H H<br />

H<br />

H<br />

H L L H L H L H H H H L H H L L<br />

H H H H H<br />

H L L H L H H L H H H H L L L L<br />

H H<br />

H L L H L H H H H H H H L L L H<br />

H H H H.<br />

H L L H H L L L H H H H L L H L<br />

H H H H H<br />

H L L H H L L H H H H H L L L H<br />

H H H H H<br />

H L L H H L H L H H H H L H L L<br />

H H H H H<br />

H L L H H L H H H H H H H L L L<br />

X H X<br />

H L L H H H L L H H H H H L L H<br />

X X X X H<br />

H L L H H H L H H H H H H L H L<br />

H L L H H H H L H H H H H L H H<br />

H ~ high level L ~ low level X = irrelevant H L L H H H H H H H H ·H H H L L<br />

H L H L L L L L<br />

thru H H H H H H H H<br />

H H H H H H H H<br />

BCD INPUT<br />

LSD<br />

MSD~~<br />

160 80 40 20 10 8 4<br />

BINARY INPUT<br />

256 128 64 32 16 8 4<br />

SN54S484/SN74S484<br />

SN54S485/SN74S485<br />

256 128 64 32 16 8 4<br />

MSB<br />

BINARY OUTPUT<br />

LSB<br />

160~~8 4 21<br />

MSD-V--~<br />

LSD<br />

BCD OUTPUT<br />

TEXAS -lq,<br />

INSTRUMENTS<br />

5-39<br />

POST OFFICE BOX 225012 • DALLAS, TEXAS 75265

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!