25LC128
M27C512-90C1 (2)M27C512-90C (3)M27C512-90 (7)M27C512 (25)M27C (138)M27 (190)

STMicroelectronics

M27C512-90C1

IC OTP 512KBIT 90NS 32PLCC
STMicroelectronics

M27C512-90C1TR

IC OTP 512KBIT 90NS 32PLCC

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