512KX8 NON-VOLATILE SRAM MODULE, 70ns, PDIP32, PLASTIC, MODULE, DIP-32
0 TIMER(S), REAL TIME CLOCK, PDSO28, 0.330 INCH, LEAD FREE, PLASTIC, SOH-28

128KX8 NON-VOLATILE SRAM MODULE, 85ns, PDIP32, PLASTIC, MODULE, DIP-32

2MX8 NON-VOLATILE SRAM MODULE, 85ns, PDIP36, PLASTIC, MODULE, DIP-36
32KX8 NON-VOLATILE SRAM MODULE, 70ns, PDIP28, 0.600 INCH, PLASTIC, DIP-28