CPU EPROM VIDEO RAM Row Buffer Font RAM Font ROM NVRAM Serial Dot Clk CPU Clk Ser Clk WY-30+ 8031 27128(250971-02) 211019-02 5565 6116 CAT59C11 31.2795 7.3728 WY-50 8031 2764 2672/80-435-00 2x2Kx8 1Kx8 2716 ER-1400 2661 68.850 11.000 4.9152 WY-55 8032 (251352-12) 211019-05 8k (8kx2) battery 16C452 49.423 14.7456 WY-60 8051(202008-03) 27512(193003-01) 211003-02/205001-02 2064 ( 2064/2016/2016/2064) X24C04 2661 39.710/26.580 11.000 4.9152 WY-85 8032 27128(250151-04) 2672 4x6116 6116 9265 M5G1400 2681 48.5568 11.000 3.6864 WY-150 8032 27512(251167-06) 211009-02 6264 (2x6264) battery - 48.000 11.000