Part No. VDD Output Constant Current Range Min. OE Package
HT16D595 3.3V~5.5V 8 48mA only 300ns 16NSOP
HT16D724* 3.0V~5.0V 16 5~45mA 70ns 24SSOP
* Under development, available in 1Q, 2012.
Note: HT16D595 is pin-to-pin compatible with 74HC595 but provides constant current.