74LS00

$1.49
74LS00 / 74LS00N replacement chip, DIP-14, quadruple 2-Input positive-NAND gate used in arcade games and pinball machine repair.

74LS04

$2.49
SN74LS04 replacement chip. Hex Inverters, DIP-14 Package.

74LS157

$2.99
74LS245 / 74LS245N replacement chip,DIP-20, Octal Bus Transceivers With 3-State Outputs.

74LS161

$2.99
SN74LS161 / 74ls161AN replacement chip. DIP 16,  4-Bit Synchronous Binary Counter.

74LS244

$2.49
SN74LS244 replacement chip. DIP-20, Octal Buffers and Line Drivers With 3-State Outputs

74LS245

$2.99
74LS245 / 74LS245N replacement chip,DIP-20, Octal Bus Transceivers With 3-State Outputs.

74LS273

$2.49
74LS273 replacement chip. DIP-20. Octal D-type flip-flop with clear.

74LS74

$2.49
74LS74 replacement chip.  DIP-14, Dual D Type E positive-edge triggered flip-flops with preset and clear.