Details, datasheet, quote on part number: AK632512Z-20
Description512K X 32, 72 Pin Sim Module
CompanyAccutek Microcircuit Corporation
DatasheetDownload AK632512Z-20 datasheet


Features, Applications
x 32 Bit CMOS / BiCMOS Static Random Access Memory

The Accutek AK632512 SRAM Module consists of fast high performance SRAMs mounted on a low height, 72 pin SIM or ZIP Board. The module utilizes four 36 pin x 8 SRAMs in 400 mil SOJ packages and four decoupling capacitors mounted on the front side of a printed circuit board. The SRAMs used have common I/O functions and single output enable functions. Also, four separate chip select (CE) connections are used to independently enable the four bytes. The modules can be supplied in a variety of access time values from 15 nSEC to 35 nSEC in CMOS or BiCMOS technology. The Accutek module is designed to have a maximum seated height of 0.640 inch SIM or 0.555 inch ZIP to provide for the lowest height off the board. Each conforms to JEDEC-standard sizes and pin-out configurations. Using four pins for module memory density identification, PD1, PD2 and PD3 minimizes interchangeability and design considerations when changing from one module size to the other in customer applications.


x 32 bit organization JEDEC Standard 72 pin SIM or ZIP format Common I/O, single OE and WE functions with four separate chip selects (CE) Fast access times from 15 nSEC Low height, 0.640 inch SIM or 0.555 inch ZIP maximum Power: 720mA Max Active (20 nSEC) 760mA Max Active (15 nSEC) 800mA Max Active (12 nSEC) 200mA Max Standby

Presence Detect, PD1, PD2 and PD3 for identifying module density Downward compatible with 32 (AK63264) and (AK63232), 64 pin SIM or ZIP designs Upward compatible with 1 Meg 32 (AK6321024) TTL-compatible inputs and outputs Single +5 Volt 10%) power supply Operating free air temperature to 700C

Timing diagrams and basic electrical characteristics are those of the standard x 8 SRAMs used to construct these modules. Accutek's module design allows the flexibility of selecting industry-compatible x 8 SRAMs from several SRAM manufacturers.

- PD3 Vcc Vss WE Address Inputs Chip Enable Data In/Data Out Output Enable Presence Detect 5v Supply Ground Write Enable

Leadless SIM: AK632512W Leaded SIP: AK632512G Leaded ZIP: AK632512Z

Product AK = Accutek Memory Type 4 = Dynamic RAM 5 = CMOS Dynamic RAM 6 = Static RAM Organization/Word Width by 9 Size/Bits Depth = 4 MEG = 8 MEG = 1 MEG = 16 MEG 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 M = Military Equivalent Screened I = Industrial Temperature Tested X = Burned In Speed (first two significant digits) DRAMS SRAMS 15 nS

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.

32, 15 nSEC SRAM Module, SIM Configuration 32, 20 nSEC SRAM Module, ZIP Configuration


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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