HMD4M64D16EV

HANBiT HMD4M64D16EV 32Mbyte(4Mx64) EDO Mode 4K Ref. 3.3V, DIMM 168 pin Part No. HMD4M64D16EV GENERAL DESCRIPTION The HMD4M64D16EV is a 4Mx64bits Dynamic RAM high density memory module. The HMD4M64D16EV consists of sixteen CMOS 4Mx4bits DRAMs in SOJ/TSOPІІ 400mil packages mounted on a 168-pin glass-epoxy substrate. A 0.1 or 0.22uF decoupling capacitor is mounted on the printed circuit board for each DRAM. The HMD4M64D16EV is a Dual Inline Memory Module and is intended for mounting into 168 pin edge connector sockets www.DataSheet4U.com FEATURES PERFORMANCE RANGE w Part Identification HMD4M64D16EV --- 4KCycles/64ms Ref, Gold Plate Lead w High-density 32MByte design w New JEDEC standard proposal without buffer w CAS-before-RAS Refresh capability w RAS-only and Hidden refresh capability w Single +3.3± 0.3V power supply w EDO mode operation. w LVTTL compatible inputs and outputs w FR4-PCB design w Access times : 50, 60ns w Timing 50ns access 60ns access w Packages 168-pin DIMM w Marking -5 -6 w Marking D SPEED -5 -6 tRAC 50ns 60ns tCAC 18ns 20ns tRC 84ns 104ns tHPC 20ns 25ns PIN NAMES Pin Name A0-A11 Function Address ref) A0-A12 Address ref) /W0,/W2 /OE0,/OE2 SA0 – SA2 Read/Write Enable Output Enable Address in EEPROM SCL DU CB0 - CB7 Input (8k /CAS0 - /CAS7 Input (4k Pin Name /RAS0, /RAS2 Row Strobe Column Strobe Serial Clock Don't use Check Bit Vcc SDA DQ0-DQ63 Power (+3.3V) Serial Address /Data I/O Data In/Out Address NC No Connection Function Address Pin Name Vss Ground...