UG42W6428GSG

www.DataSheet4U.com UG42W642(4)8GSG Data sheets can be downloaded at www.unigen.com EDO MODE DRAM MODULE GENERAL DESCRIPTION The UG42W642(4)8GSG is a 2Mbits x 64 EDO DRAM module. The UG42W642(4)8GSG is assembled using 8 pcs of 2M x 8 2K/4K refresh DRAMs mounted on 144 pin unbuffered printed circuit board. 16M Bytes (2M x 64 bits) EDO Mode Unbuffered SODIMM based on 8 pcs 2M x 8 DRAM with LVTTL, 2K & 4K Refresh PIN ASSIGNMENT (Front View) 144-Pin SODIMM FEATURES C O N FI D EN TI AL 4 8 DQ32 DQ34 Single 3.3V ± 10% power supply Hyper Page Mode (EDO) operation 11\11/12\9 Addressing (Row\Column) 2048/4096 refresh cycles every 32/64 ms CAS-before-RAS Refresh capability LVTTL compatible inputs and output Serial PD with EEPROM PCB:Height (1,400mil),single sided component Pr el im in ar y PIN SYMBOL PIN SYMBOL PIN SYMBOL PIN SYMBOL 1 5 9 VSS 2 VSS 73 /OE NC 74 NC VSS NC NC 3 7 DQ0 DQ2 75 79 VSS NC 76 DQ1 DQ3 6 DQ33 77 78 80 10 DQ35 81 VCC 82 VCC DQ48 DQ49 DQ50 DQ51 11 15 17 VCC 12 VCC 83 DQ16 84 13 DQ4 14 16 18 DQ36 85 DQ17 86 DQ5 DQ6 DQ37 DQ38 87 89 DQ18 DQ19 88 90 ABSOLUTE MAXIMUM RATINGS Voltage Relative to GND Operating Temperature Storage Temperature Short circuit Output Current Power Dissipation 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59 61 63 DQ7 VSS 20 DQ39 VSS 91 VSS 92 VSS DQ52 DQ53 DQ54 DQ55 22 93 DQ20 94 U N IG EN -0.5 to + 4.6V 0 to + 70°C -55°C to + 125°C 50m...