|Description||4 Meg X 9, 30 Pin Sip Module|
|Company||Accutek Microcircuit Corporation|
|Datasheet||Download AK594096AG datasheet
AK594096AG 4,194,304 Word x 9 Bit CMOS Dynamic Random Access Memory
The Accutek AK594096A high density memory module is a CMOS random access memory organized in 4 Meg x 9 bit words. The assembly consists of nine standard 4 Meg x 1 DRAMs in plastic leaded chip carriers (SOJ) mounted on the front side of a printed circuit board. The module can be configured as a leadless 30 pad SIM or a leaded 30 pin SIP. The module is only 0.800 inches high (same height as a standard 1 Meg module), making it ideally suited for applications with low height restrictions. The operation of the AK594096A is identical to nine 4 Meg x 1 DRAMs. For the lower eight bits data input is tied to the data output and brought out separately for each device, with common RAS, CAS control. This common I/O feature dictates the use of early-write cycles to prevent contention of D and Q. Since the Write-Enable (WE) signal must always go low before CAS in a write cycle, Read-Write and Read-Modify-Write operation is not possible. For the ninth bit, the data input (D9) and the data output (Q9) pins are brought out separately and controlled by a separate PCAS for that bit. Bit nine is generally used for parity.FEATURES
x 9 bit organization Optional 30 Pad leadless SIM (Single In-Line Module) or 30 Pin leaded SIP (Single In-Line Package) JEDEC standard pinout Common CAS and RAS control for the lower eight bits Separate PCAS for control for D9 and Q9 CAS-before-RAS refresh Power 4.45 Watt Max Active (80 nSEC) 3.96 Watt Max Active (100 nSEC) 49.5 mW Max Standby
Operating free air temperature to 700C Upward compatible with AK5916384 Downward compatible with AK591024, AK59256
- A10 CAS, PCAS RAS WE Vcc Vss NC Data In / Data Out Data In 9 Data Out 9 Address Inputs Column Address Strobe Row Address Strobe Write Enable 5v Supply Ground No ConnectORDERING INFORMATION PART NUMBER CODING INTERPRETATION
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 show as examples of the most widely used variations. Contact Accutek if other information is required.
AK594096ASP-80 4 Meg 9, 80 nSEC DRAM 30 pin SIM Configuration, Page Mode AK594096AGP-70 4 Meg 9, 70 nSEC Dram 30 pin SIP Configuration, Page Mode ACCUTEK MICROCIRCUIT CORPORATION BUSINESS CENTER at NEWBURYPORT 2 NEW PASTURE ROAD, SUITE 1 NEWBURYPORT, MA 01950-4054 VOICE: 978-465-6200 FAX: 978-462-3396 Email: email@example.com Internet: www.accutekmicro.com
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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