TY  - BOOK
AU  - Taxas instruments incorporated 
TI  - Designing with TTL integrated circuits 
SN  - 0-07-085793-8 
U1  - 621.381 5 MOR  
PY  - 1971///
CY  - Tata Mcgraw hill 
PB  - Auckland 
KW  - CIRCUITRY
ER  -