(UG42W6428GSG / UG42W6448GSG) EDO Mode Unbuffered SODIMM
www.DataSheet4U.com
UG42W642(4)8GSG
Data sheets can be downloaded at www.unigen.com
EDO MODE DRAM MODULE
GENERAL DESCR...
Description
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...
Similar Datasheet