An electronic card connector includes a metal shell, a tray, a first terminal block, a second terminal block and a third terminal block. The metal shell is provided on a circuit board and cooperates with the circuit board to define a slot. The tray comprises an insulative body and a shielding unit. A first receiving groove of the insulative body receives a SD card and second and third receiving grooves of the insulative body respectively receive first and second SIM cards. The shielding unit is made of metal, provided in the insulative body and positioned between the first receiving groove and the second receiving groove and the third receiving groove, so as to shield the electromagnetic interference from the SD card.

A flash memory card reader and a single converter chip for reading both serial and parallel flash cards. The read has connectors for both serial and parallel data transfer flash memory cards. The reader has a single chip converter. The converter supports both serial I/O and parallel I/O. The serial I/O transfers data in multiple modes. Both single-bit and multi-bit serial data transfers modes are supported. The reader may have multiple slots, one have a connector for serial and one having a connector for parallel flash memory cards.