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AK5816384S Datasheet(PDF) 1 Page - ACCUTEK MICROCIRCUIT CORPORATION |
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AK5816384S Datasheet(HTML) 1 Page - ACCUTEK MICROCIRCUIT CORPORATION |
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1 / 2 page  DESCRIPTION The Accutek AK5816384 high density memory module is a CMOS DRAM organized in 16 Meg x 8 bit words. The assembly consists of eight 16 Meg x 1 DRAMs in plastic SOJ packages mounted to the front side of a printed circuit board in 30 pad SIM (leadless) or SIP (leaded) configuration. The module is only 0.8 inch high (same height as standard 1 Meg modules), making it ideally suited for ap- plications with low height restrictions. The operation of the AK5816384 is identical to eight 16 Meg x 1 DRAMs. The data input is tied to the data output and brought out separately for each device, with common RAS, CAS and WE con- trol. This common I/O feature dictates the use of early-write cycles to prevent contention of D and Q. Since the Write-Enable (WE) sig- nal must always go low before CAS in a write cycle, Read-Write and Read-Modify-Write operation is not possible. FEATURES · 16,777,216 x 8 bit organization · Optional 30 Pad leadless SIM (Single In-Line Module) or 30 Pin leaded SIP (Single In-Line Package) · JEDEC standard pinout · Each device (data bit) has common DQ lines with common CAS and RAS controls · CAS-before-RAS refresh · Downward compatible with AK584096, AK581024/481024, AK58256/48256 · TTL-Compatible Inputs and Outputs · RAS-Only Refresh · 4096 Cycle Refresh every 64mSEC · Power: 3.96 Watt Max Active (60 nS) 4.40 Watt Max Active (70 nS) 3.52 Watt Max Active (80 nS) 44 mWatt Max Standby · Operating free air temperature 0oCto70oC · Fast Page Mode · 9 Bit version (with parity bit) also available ACCUTEK AK5816384S / AK5816384G 16,777,216 Word by 8 Bit CMOS Dynamic Random Access Memory 1 30 1 Front View 30-Pin SIM 30-Pin SIP PIN NOMENCLATURE DQ1 -DQ8 Data In/Data Out A0 -A11 Address Inputs CAS Column Address Strobe RAS Row Address Strobe WE Write Enable Vcc 5v Supply Vss Ground NC No Connect MODULE OPTIONS Leadless SIM: AK5816384S Leaded SIP: AK5816384G PIN ASSIGNMENT PIN # SYMBOL PIN # SYMBOL 1 Vcc 16 DQ5 2 CAS 17 A8 3 DQ1 18 A9 4 A0 19 A10 5 A1 20 DQ6 6 DQ2 21 WE 7 A2 22 Vss 8 A3 23 DQ7 9 Vss 24 A11 10 DQ3 25 DQ8 11 A4 26 NC 12 A5 27 RAS 13 DQ4 28 NC 14 A6 29 NC 15 A7 30 Vcc FUNCTIONAL DIAGRAM |
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Similar Description - AK5816384S_09 |
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