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AK5328192W Datasheet(PDF) 1 Page - ACCUTEK MICROCIRCUIT CORPORATION |
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AK5328192W Datasheet(HTML) 1 Page - ACCUTEK MICROCIRCUIT CORPORATION |
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1 / 2 page  DESCRIPTION The Accutek AK5328192W high density memory module is a CMOS dynamic RAM organized in 8192K x 32 bit words. The mod- ule consists of sixteen standard 4 Meg x 4 DRAMs in plastic SOJ packages. The assembly has eight drams mounted on each side of a printed circuit board in a 72 pad leadless SIM configuration. This configuration allows socket-mounting of large quantities of memory in applications where high density and ease of inserting ad- ditional memory are important. The operation of the AK5328192W is identical to sixteen 4M x 4 Drams. There are four CAS lines and four RAS lines. On each bank of 4M x 32, independent byte control is accomplished by four CAS lines. Each separate CAS line controls two 4M x 4 Drams to form an 8 bit byte. Two banks of 32 bits are controlled by the two pairs of RAS lines. A sixteen bit data path can be produced by connecting DQ0 to DQ16,DQ1 to DQ17, etc. and alternately strobing RAS0 with RAS1 and RAS2 with RAS3. FEATURES · 8,388,608 x 32 bit organization · 72 pad Single In-Line Module · Multiple CAS and RAS lines allow x16 or x32 bit widths · CAS-before-RAS, RAS-only or hidden refresh · Power 5.32 Watt Max Active (60nS) 4.48 Watt Max Active (70 nS) 88 mW Max Standby · Operating free air temperature 0 oCto70oC · Single 5 Volt Power Supply · 2048 Refresh Cycles, 32 mSEC · 4096 Refresh Cycles, 64 mSEC available for all module sizes · Available in Fast Page Mode and EDO · Available in leadless (W) or leaded Zip (Z) versions · Downward compatible with AK5324096, AK5322048, AK5321024, AK532512 andAK532256 EXAMPLES AK5328192WP-60 8 Meg x 32 CMOS Dynamic RAM, SIM, Page Mode, Commercial 60 nSEC Access Time ACCUTEK MICROCIRCUIT CORPORATION AK5328192W 8,388,608 by 32 Bit CMOS Dynamic Random Access Memory + + 72 1 PIN NOMENCLATURE A0 -A10 Address Inputs DQ0 -DQ31 Data In/Data Out CAS0 - CAS3 Column Address Strobe RAS0 - RAS3 Row Address Strobe WE Write Enable OE Output Enable PD1 -PD4 Presence Detect Vcc 5v Supply Vss Ground NC No Connect MODULE OPTIONS Leadless SIM: AK5328192W Leaded ZIP: AK5328192Z PIN ASSIGNMENT PIN # SYMBOL PIN # SYMBOL PIN # SYMBOL PIN # SYMBOL 1 Vss 19 A10 37 NC 55 DQ11 2 DQ0 20 DQ4 38 NC 56 DQ27 3 DQ16 21 DQ20 39 Vss 57 DQ12 4 DQ1 22 DQ5 40 CAS0 58 DQ28 5 DQ17 23 DQ21 41 CAS2 59 Vcc 6 DQ2 24 DQ6 42 CAS3 60 DQ29 7 DQ18 25 DQ22 43 CAS1 61 DQ13 8 DQ3 26 DQ7 44 RAS0 62 DQ30 9 DQ19 27 DQ23 45 RAS1 63 DQ14 10 Vcc 28 A7 46 NC 64 DQ31 11 NC 29 NC 47 WE 65 DQ15 12 A0 30 Vcc 48 NC 66 NC 13 A1 31 A8 49 DQ8 67 PD1 14 A2 32 A9 50 DQ24 68 PD2 15 A3 33 RAS3 51 DQ9 69 PD3 16 A4 34 RAS2 52 DQ25 70 PD4 17 A5 35 NC 53 DQ10 71 NC 18 A6 36 NC 54 DQ26 72 Vss Presence Detect - -60 -70 PD1 NC NC PD2 Vss Vss PD3 NC Vss PD4 NC NC |
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Similar Description - AK5328192W_09 |
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