TY  - BOOK
TI  - Up to date ttl 7400 data and comparison tables integrated circuits 7400-7450729
SN  - 81-7029-825-3
U1  - 621.3815 UPT'O 
PY  - 1997///
CY  - NEW DELHI
PB  - BPB PUBLISHER
KW  - DATA AND COMPARISON TABLES-7400-7450729
ER  -