DM115B通用8位恒流驱动IC规格书.pdf

DM115B Version : A.001 Issue Date : 2007/02/07 File Name : SP-DM115B-A.001 Total Pages : 17 8-Bit CONSTANT CURRENT LED DRIVERS with 3.3v ~ 5v supply voltage 新竹市科學園區展業一路 9號7樓之1 SILICON TOUCH TECHNOLOGY INC. . 9-7F-1, Prosperity Road I, Science Based Industrial Park, Hsin-Chu, Taiwan 300, R.O.C. Tel ：886-3-5645656 Fax ：886-3-5645626 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. DM115B DM115B 8-Bit CONSTANT CURRENT LED DRIVERS with 3.3v ~ 5v Supply Voltage General Description The DM115B is the constant current driver specifically designed for LED display applications. The value of constant current can be varied using an external resistor. The devices include an 8-bit shift register, latches, and constant current drivers on a single Silicon CMOS chip. Features Maximum Output Voltage: 17V Maximum Clock Frequency: 25MHz (Cascade Operation) Power Supply Voltage: 3.3V to 5.0V CMOS Compatible Input Package: PDIP16, SOP16, SSOP16 Package and Pin Layout: Pin layout and functionality are similar to those of the ST2221A. (Each characteristic value is different.) Constant Current