2 Megabit (256K x 8-bit) Flash Memory 2兆位56K × 8位)闪存 5V, Half duplex, 250kbps Slew Rate Limited, ±15kV ESd Protected, 1/8 Unit Load, RS-485/RS-422 Transceiver; Temperature Range: -40°C to 85°C; Package: 8-SOIC octal d flip-flop with 3-state Outputs; Package: TSSOP; No of Pins: 20; Container: Rail octal d flip-flop with 3-state Outputs; Package: dIP; No of Pins: 20; Container: Rail