25LC128
M27C512-15B (2)M27C512-15 (5)M27C512-1 (12)M27C512 (25)M27C (138)M27 (190)

STMicroelectronics

M27C512-15B1

IC OTP 512KBIT 150NS 28DIP
STMicroelectronics

M27C512-15B6

IC OTP 512KBIT 150NS 28DIP

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