INTEGRATED CIRCUITS EQUIVALENTS LIST COMMERCIAL VERSIONS Mullard Mullard Type No. equivalent Type No. comparable types DTL range TTL range RC 206 FCH 141 7400N FJH131 FCL 101 7401N FJH231 RC 210 FCH 221 7402N FJH221 RC 216 FCH 151 7410N FJH121 FCK 101 7420N FJH111 ~ RC 224 FCH 101 7430N FJH101 RC 225 FCJ 101 7440N FJH141 RC 226 FCH 161 T441AN FJL101 ~RC 227 FCY 101 7450N FJH151 RC 231 FCH 121 7451N FJH161 RC 234 FCH 111 7453N FJH171 RC 236 FCH 171 7460N FJY101 RC 246 FCH 181 7470N FJJ101 RC 261 FCH 131 7472N FJJ111 RC 266 FCH 191 7473N FJJ121 RC 286 FCH 201 7474N FJJ131 ~ RC 296 FCH 211 7475N FJJ181 7476N FJJ191 7490N FJJ141 MILITARY VERSIONS DTL range Mullard Mullard Type No. equivalent Type No. equivalent RM 227 FCY 102 RM 206 FCH 142 RM 231 FCH 122 FCL 102 RM 210 FCH 112 - RM 210 FCH 222 RM 236 FCH 172 RM 216 FCH 152 ~ RM 246 FCH 182 FCK 102 RM 261 FCH 132 RM 224 FCH 102 -RM 266 FCH 192 RM 225 FCJ 102 RM 286 FCH 202 RM 226 FCH 162 RM 296 FCH 212