TC531001CP-12
1M BIT (128K WORD x 8 BIT) CMOS MASK ROM
TC531001CP-15
1M BIT (128K WORD x 8 BIT) CMOS MASK ROM
TC53257
256K BIT (32K WORD x 8 BIT) CMOS MASK ROM SILIC..
TC53257F
256K BIT (32K WORD x 8 BIT) CMOS MASK ROM SILIC..
TC53257P
256K BIT (32K WORD x 8 BIT) CMOS MASK ROM SILIC..