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Accutek Microcircuit Corporation
DESCRIPTION
The Accutek AK5916384S high density memory module is a CMOS random access memory organized in 16 Meg x 9 bit words. The assembly consists of nine 16 Meg x 1 DRAMs in plastic SOJ packages mounted on the front side of a printed circuit board in 30 pad SIM (leadless) or 30 pin SIP (leaded) configuration. The module is only 0.8 inch high (same height as standard 1 Meg modules), making it ideally suited for applications with low height restrictions. The operation of the AK5916384 is identical to nine 16 Meg x 1 dynamic RAMs. For the lower eight bits data input is tied to data output and brought out separately for each device, with common RAS, CAS and WE 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.
AK5916384S / AK5916384G 16,777,216 Word by 9 Bit CMOS Dynamic Random Access Memory
Front View 30-Pin SIM
1
30
30-Pin SIP
1
* Downward compatible with AK594096, AK591024, and AK59256 * TTL-Compatible Inputs and Outputs * RAS-Only Refresh * 4096 Cycle Refresh every 64mSEC * Power: 4.45 Watt Max Active (60 nS) 3.96 Watt Max Active (70 nS) 49.5 mWatt Max Standby * Operating free air temperature 0oC to 70oC * Fast Page Mode * 8 Bit version (without parity bit) also available
FEATURES
* 16,777,216 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 control for D9 and Q9 * CAS-before-RAS refresh
PIN NOMENCLATURE
DQ1 - DQ8 D9 Q9 A0 - A11 CAS, PCAS RAS WE Vcc Vss NC Data In/Data Out Data In Data Out Address Inputs Column Address Strobe Row Address Strobe Write Enable 5v Supply Ground No Connect
PIN ASSIGNMENT
PIN # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 SYMBOL Vcc CAS DQ1 A0 A1 DQ2 A2 A3 Vss DQ3 A4 A5 DQ4 A6 A7 PIN # 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 SYMBOL DQ5 A8 A9 A10 DQ6 WE Vss DQ7 A11 DQ8 Q9 RAS PCAS D9 Vcc
FUNCTIONAL DIAGRAM
MODULE OPTIONS
Leadless SIM: AK5916384S Leaded SIP: AK5916384G
15
ORDERING INFORMATION PART NUMBER CODING INTERPRETATION
Position 1
1 2 3 4 5 6 7 8
MECHANICAL DIMENSIONS
Inches
Product AK = Accutek Memory 2 Type 4 = Dynamic RAM 5 = CMOS Dynamic RAM 6 = Static RAM 3 Organization/Word Width 1 = by 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 = 4 MEG 256 = 256K 8192 = 8 MEG 1024 = 1 MEG 16384 = 16 MEG 5 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) 6 Special Designation P = Page Mode N = Nibble Mode K = Static Column Mode W = Write Per Bit Mode V = Video Ram 7 Separator - = Commercial 00C to +700C M = Military Equivalent Screened (-550C to +1250C) I = Industrial Temperature Tested (-450C to +850C) X = Burned In 8 Speed (first two significant digits) DRAMS SRAMS 60 = 60 nS 8= 8 nS 70 = 70 nS 12 = 12 nS 80 = 80 nS 15 = 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.
0.815 0.785 0.425 0.375
.100 .060
0.100 TYP
0.815 0.785
0.325 0.275
1
1
0.100 TYP 3.100 3.090
3.525 3.475
0.024 0.016
30
0.053 0.047
0.200 MAX
0.100 TYP
EXAMPLES:
AK5916384SP-70 16 Meg x 9, 70 nSEC, Leadless SIM, Fast Page Mode AK5916384GP-60 16 Meg x 9, 60 nSEC, Leaded SIP, Fast Page Mode 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 Email: sales@accutekmicro.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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