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| Accutek Microcircuit Corporation DESCRIPTION The Accutek AK5364096W high density memory module is a CMOS Dynamic RAM organized in 4096K x 36 bit words. The module consists of eight standard 4 Meg x 4 DRAMs and four 4 Meg x 1 DRAMs in plastic SOJ packages. The 4 Meg x 4 DRAMs are mounted on the front surface and the 4 Meg x 1 parity DRAMs are mounted on the back surface of a printed circuit board with a low profile height of only 0.875" in a 72 pin leadless SIM configuration. This configuration allows socket-mounting of large quantities of memory in applications where high density and ease of inserting additional memory are important. The operation of the AK5364096W is identical to eight 4Meg x 4 plus four 4Meg x 1 DRAMs. There are four CAS lines and two RAS lines. Independent byte control is accomplished by four CAS lines. Each separate CAS line controls two 4Meg x 4 DRAMs, along with a 4Meg x 1 DRAM with data in tied to data out to form a 9 bit byte. The bank of 36 bits is controlled by the two RAS lines. An eighteen bit data path can be produced by connecting DQ0 to DQ18, DQ1 to DQ19, etc. and alternately strobing RAS0 with RAS2. + AK5364096W 4,194,304 Word by 36 Bit CMOS Dynamic Random Access Memory + 1 72 * * * * * FEATURES * * * * * 4,194,304 x 36 bit organization Low profile board height of 0.875 inch 72 pad Single In-Line Module Multiple CAS and RAS lines allow x18 or x36 bit widths Power: 7.92 Watt Max Active (60nS) 6.60 Watt Max Active (70 nS) 66 mW Max Standby * CAS-before-RAS, RAS-only or hidden refresh Single 5 Volt Power Supply 2048 Refresh Cycles, 32 mSEC Available in Fast Page Mode, EDO and Static Column Mode Available in leadless SIM or leaded ZIP versions Downward compatible with AK5362048W, AK5361024W, AK536512W and AK536256W * Upward compatible with AK5368192W * Operating free air temperature 00C to 700C EXAMPLE AK5364096WP-70 4Meg x 36 CMOS Dynamic RAM, SIM, Page Mode, Commercial 70nSEC Access Time PIN NOMENCLATURE A0 - A10 DQ0 - DQ35 CAS0 - CAS3 RAS0, RAS2 WE OE PD1 - PD4 Vcc Vss NC Address Inputs Data In/Data Out Column Address Strobe Row Address Strobe Write Enable Output Enable Presence Detect 5v Supply Ground No Connect PIN ASSIGNMENT PIN # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 SYMBOL Vss DQ0 DQ18 DQ1 DQ19 DQ2 DQ20 DQ3 DQ21 Vcc NC A0 A1 A2 A3 A4 A5 A6 PIN # 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 SYMBOL A10 DQ4 DQ22 DQ5 DQ23 DQ6 DQ24 DQ7 DQ25 A7 NC Vcc A8 A9 NC RAS2 DQ26 DQ8 PIN # 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 SYMBOL DQ17 DQ35 Vss CAS0 CAS2 CAS3 CAS1 RAS0 NC NC WE NC DQ9 DQ27 DQ10 DQ28 DQ11 DQ29 PIN # 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 SYMBOL DQ12 DQ30 DQ13 DQ31 Vcc DQ32 DQ14 DQ33 DQ15 DQ34 DQ16 NC PD1 PD2 PD3 PD4 NC Vss MODULE OPTIONS Leadless SIM: AK5364096W Leaded ZIP: AK5364096Z Presence Detect PD1 PD2 PD3 PD4 -60 Vss NC NC Nc -70 Vss NC Vss NC FUNCTIONAL DIAGRAM DQ13 - DQ16 DQ22 - DQ25 DQ27 - DQ30 DQ18 - DQ21 DQ31 - DQ34 DQ9 - DQ12 DQ0 - DQ3 DQ4 - DQ7 DQ8 DQ17 DQ0-DQ4 DQ0-DQ4 DQ0-DQ4 DQ0-DQ4 DQ0-DQ4 DQ0-DQ4 DQ26 DQ0-DQ4 DQ0-DQ4 D Q Q Q D D A0-A10 RAS CAS WE A0-A10 RAS CAS WE OE A0-A10 RAS CAS WE OE A0-A10 RAS CAS WE OE A0-A10 RAS CAS WE OE A0-A10 RAS CAS WE OE A0-A10 RAS CAS WE OE A0-A10 RAS CAS WE OE A0-A10 RAS CAS WE A0-A10 RAS CAS WE OE A0-A10 RAS CAS WE A0 - A10 RAS0 CAS0 WE 10 CAS1 RAS2 CAS2 OE OE OE OE OE OE CAS3 OE MECHANICAL DIMENSIONS 4.250" 3.985" 0.330" MAX 0.875" MAX + 0.425" 0.375" 0.250" 0.125" CC LL CC LL + 0.080" 0.050" TYP Position 12345678 ORDER INFORMATION 5 PART NUMBER CODING INTERPRETATION Position 1 Product AK = Accutek Memory 2 Type 4 = Dynamic RAM 5 = CMOS Dynamic RAM 6 = Static RAM 3 Organization/Word Width 1 = b y 1 16 = by 16 4 = by 4 32 = by 32 8 = by 8 36 = by 36 9 = by 9 4 Size/Bits Depth 64 = 64K 4096 = 256 = 256K 8192 = 1024 = 1 MEG 16384 = 12345678 6 7 4 MEG 8 MEG 16 MEG 8 The numbers and coding on this page do not include all variations available, but are shown as examples of the most widely used variations. Contact Accutek if other information is required. ACCUTEK MICROCIRCUIT CORPORATION BUSINESS CENTER at NEWBURYPORT 2 NEW PASTURE ROAD, SUITE 1 NEWBURYPORT, MA 01950-4054 PHONE: 978-465-6200 FAX: 978-462-3396 E-Mail: sales@accutekmicro.com Internet: www.accutekmicro.com Package Type G = Single In-Line Package (SIP) S = Single In-Line Module (SIM) D = Dual In-Line Package (DIP) W = .050 inch Pitch Edge Connect Z = Zig-Zag In-Line Package (ZIP) Special Designation P = Page Mode N = Nibble Mode K = Static Column Mode W = Write Per Bit Mode V = Video Ram Separator - = Commercial 00C to +700C M = Military Equivalent Screened (-550C to +1250C) I = Industrial Temperature Tested (-450C to +850C) X = Burned In Speed (first two significant digits) DRAMS SRAMS 50 = 50 nS 8= 8 nS 60 = 60 nS 12 = 12 nS 70 = 70 nS 15 = 15 nS Accutek reserves the right to make changes in specifications at any time and without notice. Accutek does not assume any responsibility for the use of any circuitry described; no circuit patent licenses are implied. Preliminary data sheets contain minimum and maximum limits based upon design objectives, which are subject to change upon full characterization over the specific operating conditions. OE A0-A10 RAS CAS WE D Q DQ35 |
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