74S280
DM74S280 (Fairchild Semiconductor)
74S287
DM74S287 (National Semiconductor)
74S288
256-BIT TTL PROM (National Semiconductor)
74S200
TTL 256 x 1 RAM (Signetics)
74S201
TTL 256 x 1 RAM (Signetics)
74S240
Buffers / Lind Drivers / Line Receivers (National Semiconductor)
74S240
Octal 3-State Buffer / Line Driver / Line Receiver (Fairchild)
74S241
Buffers / Lind Drivers / Line Receivers (National Semiconductor)
74S241
Octal 3-State Buffer / Line Driver / Line Receiver (Fairchild)
74S244
Buffers / Lind Drivers / Line Receivers (National Semiconductor)