Cypress Semiconductor 273503-002 09 by Cypress Semiconductor. This part is discontinued. FPGACenter specializes in sourcing obsolete components. 79 RFQ OBSOLETE + RFQ Rochester Electronics 27C16Q45/B by Rochester Electronics, featuring 16Kb (2K x 8) memory, 4.5V ~ 5.5V supply voltage, in 24-DIP (0.600", 15.24mm) Window package, rated for -55°C ~ 125°C (TA). 1.848 $661.89 ACTIVE + RFQ Rochester Electronics 27C256-20/P by Rochester Electronics, featuring 256Kb (32K x 8) memory, 4.5V ~ 5.5V supply voltage, in 28-DIP (0.600", 15.24mm) package, rated for 0°C ~ 70°C (TA). This part is discontinued. FPGACenter specializes in sourcing obsolete components. 1.502 $27.51 OBSOLETE + RFQ Rochester Electronics 27C512-200DM/B by Rochester Electronics, featuring 512Kb (64K x 8) memory, 4.5V ~ 5.5V supply voltage, in 32-CDIP (0.600", 15.24mm) package, rated for 0°C ~ 70°C (TA). 1.501 $210.74 ACTIVE + RFQ Rochester Electronics STATIC RAM; 256 X 1; 45 NS 6.948 $79.46 ACTIVE + RFQ Rochester Electronics STATIC RAM; 256 X 1 1.779 $117.05 ACTIVE + RFQ Rochester Electronics 27LS00APC by Rochester Electronics. 8.055 $29.86 ACTIVE + RFQ Rochester Electronics STATIC RAM; 256 X 1 1.532 $40.21 ACTIVE + RFQ Rochester Electronics STATIC RAM; 256 X 1 3.048 $66.95 ACTIVE + RFQ Rochester Electronics STATIC RAM; 256 X 1 5.439 $105.34 ACTIVE + RFQ Rochester Electronics STATIC RAM; 256 X 1 11.553 $29.86 ACTIVE + RFQ Rochester Electronics 27LS03DM/B by Rochester Electronics. 5.232 $74.20 ACTIVE + RFQ Rochester Electronics DUAL MARKED (8605105EA) 4.383 $79.61 ACTIVE + RFQ Rochester Electronics 27S03ADM/B by Rochester Electronics. 3.486 $74.20 ACTIVE + RFQ Rochester Electronics 27S03ALM/B by Rochester Electronics. 1.923 $93.83 ACTIVE + RFQ Rochester Electronics 27S07ADM/B by Rochester Electronics. 14.775 $137.71 ACTIVE + RFQ Rochester Electronics AM27S181 - 1024X8 BIPOLAR PROM 9.003 $29.86 ACTIVE + RFQ Rochester Electronics AM27S181 - 1024X8 BIPOLAR PROM 7.935 $28.04 ACTIVE + RFQ Rochester Electronics 27S185ADM/B by Rochester Electronics. 4.728 $111.15 ACTIVE + RFQ Rochester Electronics 27S191AJC by Rochester Electronics. 5.004 $29.86 ACTIVE + RFQ