Details, datasheet, quote on part number: AK5322048N-70
CategoryMemory => DRAM => SDR SDRAM => Modules
CompanyAccutek Microcircuit Corporation
DatasheetDownload AK5322048N-70 datasheet


Features, Applications

The Accutek AK5322048N high density memory module is a CMOS dynamic RAM organized x 32 bit words. The module consists of four standard 1 Meg x 16 DRAMs in plastic TSOP packages. The assembly has 2 drams mounted on each side of a printed circuit board a 72 pad leadless Dual Row Sodim 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 AK5322048A is identical to four x 16 Drams. There are four CAS lines and four RAS lines. On each bank x 32, independent byte control is accomplished by four CAS lines. Each seperate CAS line controls one byte of the x 16 Dram. Two banks of 32 bits are controlled by the two pairs of RAS lines. A sixteen bit data path can be produced by connecting to DQ17 etc. and alternately strobing RAS0 with RAS1 and RAS2 with RAS3.

AK5322048N 2,097,152 Word by 32 Bit CMOS Dynamic Random Access Memory

x 32 bit organization 72 pad Dual Row Sodim Module Multiple CAS and RAS lines allow or x32 bit widths CAS-before-RAS, RAS-only or hidden refresh Operating free air temperature to 70oC Single 5 Volt Power Supply 1024 Refresh Cycles, 16 mSEC Available in Fast Page Mode and Static Column Mode versions Power 1.80 Watt Max Active (60nS) 1.66 Watt Max Active (70 nS) 1.44 Watt Max Active (80 nS) 22 mW Max StandbyAvailable

- PD6 Vcc Vss NC Data In/Data Out Address Inputs Column Address Strobe Row Address Strobe Write Enable Presence Detect 5v Supply Ground No Connect

Position 1 Product AK = Accutek Memory 2 Type 4 = Dynamic RAM 5 = CMOS Dynamic RAM 6 = Static RAM 3 Organization/Word Width 9 4 Size/Bits Depth = 4 MEG = 8 MEG = 1 MEG = 16 MEG 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.


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 N = Dual Row Sodim 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 M = Military Equivalent Screened I = Industrial Temperature Tested X = Burned In Speed (first two significant digits) DRAMS SRAMS = 20nS

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.


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