| 449161 | DM74S573AV | 45 ns, (1024 x 4) 4096-bit TTL PROM | National Semiconductor |
| 449162 | DM74S573BJ | 35 ns, (1024 x 4) 4096-bit TTL PROM | National Semiconductor |
| 449163 | DM74S573BN | 35 ns, (1024 x 4) 4096-bit TTL PROM | National Semiconductor |
| 449164 | DM74S573BV | 35 ns, (1024 x 4) 4096-bit TTL PROM | National Semiconductor |
| 449165 | DM74S573J | 60 ns, (1024 x 4) 4096-bit TTL PROM | National Semiconductor |
| 449166 | DM74S573N | 60 ns, (1024 x 4) 4096-bit TTL PROM | National Semiconductor |
| 449167 | DM74S573V | 60 ns, (1024 x 4) 4096-bit TTL PROM | National Semiconductor |
| 449168 | DM74S64 | 4-Wide AND-OR-INVERT Gate | National Semiconductor |
| 449169 | DM74S64N | 4-WIDE AND-OR-INVERT GATES | National Semiconductor |
| 449170 | DM74S74 | Dual Positive-Edge-Triggered D Flip-Flops with Preset, Clear, and Complementary Outputs | Fairchild Semiconductor |
| 449171 | DM74S74 | Dual Positive-Edge-Triggered D Flip-Flop with Preset, Clear and Complementary Outputs | National Semiconductor |
| 449172 | DM74S74M | Dual Positive-Edge-Triggered D Flip-Flops with Preset, Clear, and Complementary Outputs | Fairchild Semiconductor |
| 449173 | DM74S74N | Dual Positive-Edge-Triggered D Flip-Flops with Preset, Clear, and Complementary Outputs | Fairchild Semiconductor |
| 449174 | DM74S86 | Quad 2-Input Exclusive-OR Gate | Fairchild Semiconductor |
| 449175 | DM74S86 | Quad 2-Input Exclusive-OR Gate | National Semiconductor |
| 449176 | DM74S86N | Quad 2-Input Exclusive-OR Gate | Fairchild Semiconductor |
| 449177 | DM74S940 | (DM74S941) Octal Tri-State Buffers / Line Drivers / Line Receivers | National Semiconductor |
| 449178 | DM7556 | TRI-STATE(R) Programmable Binary Counters | National Semiconductor |
| 449179 | DM7556J | TRI-STATE? Programmable Binary Counters | National Semiconductor |
|
| 449180 | DM77S180J | 75 ns, (1024 x 8) 8192-bit TTL PROM | National Semiconductor |
| 449181 | DM77S181 | (1024 x 8) 8192-BIT TTL PROMs | National Semiconductor |
| 449182 | DM77S181AJ | (1024 x 8) 8192-BIT TTL PROMs | National Semiconductor |
| 449183 | DM77S181J | (1024 x 8) 8192-BIT TTL PROMs | National Semiconductor |
| 449184 | DM77S184AJ | 60 ns, (2048 x 4) 8192-bit TTL PROM | National Semiconductor |
| 449185 | DM77S184J | 70 ns, (2048 x 4) 8192-bit TTL PROM | National Semiconductor |
| 449186 | DM77S185AJ | 60 ns, (2048 x 4) 8192-bit TTL PROM | National Semiconductor |
| 449187 | DM77S185BJ | 50 ns, (2048 x 4) 8192-bit TTL PROM | National Semiconductor |
| 449188 | DM77S185J | 70 ns, (2048 x 4) 8192-bit TTL PROM | National Semiconductor |
| 449189 | DM77S280J | 75 ns, (1024 x 8) 8192-bit TTL PROM | National Semiconductor |
| 449190 | DM77S281 | (1024 x 8) 8192-BIT TTL PROMs | National Semiconductor |
| 449191 | DM77S281AJ | (1024 x 8) 8192-BIT TTL PROMs | National Semiconductor |
| 449192 | DM77S281J | (1024 x 8) 8192-BIT TTL PROMs | National Semiconductor |
| 449193 | DM77SR181J | 20 ns, (1024 x 8) 8K-bit registered TTL PROM | National Semiconductor |
| 449194 | DM77SR474BJ | 40 ns, (512 x 8) 4K-bit registered TTL PROM | National Semiconductor |
| 449195 | DM77SR474J | 55 ns, (512 x 8) 4K-bit registered TTL PROM | National Semiconductor |
| 449196 | DM77SR476BJ | 40 ns, (512 x 8) 4K-bit registered TTL PROM | National Semiconductor |
| 449197 | DM77SR476J | 55 ns, (512 x 8) 4K-bit registered TTL PROM | National Semiconductor |
| 449198 | DM7875A | DM7875A/DM8875A, DM7875B/DM8875B TRI-STATE 4-Bit Parallel Binary Multipliers | National Semiconductor |
| 449199 | DM7875AJ | DM7875A/DM8875A, DM7875B/DM8875B TRI-STATE 4-Bit Parallel Binary Multipliers | National Semiconductor |
| 449200 | DM7875B | 4-bit parallel binary multiplier. Pin compatible with SN54285 | National Semiconductor |
