20-Pin Commercial Extended OTP ROM IC, 5V, 512 Words, Parallel Access, DIP-20 Package
IC 512 X 8 OTPROM, 60 ns, PDIP20, 0.300 INCH, PLASTIC, DIP-20, Programmable ROM
OTP ROM, 1KX4, 35ns, Bipolar, PDIP24
N82S137BN