AK536512W 524,288 Word CMOS Dynamic Random Access Memory FEATURES

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AK536512W 524,288 Word CMOS Dynamic Random Access Memory FEATURES

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Accutek AK536512W high density memory module CMOS dynamic organized 512K words. module consists sixteen standard 256K DRAMs plastic packages eight 256K DRAMs PLCC packages. assembly drams mounted each side printed circuit board leadless configuration. This configuration allows socket-mounting large quantities memory applications where high density ease inserting additional memory important. operation AK536512 identical sixteen 256K plus eight 256K DRAMs. There four lines four lines. each bank 256K independent byte control accomplished four lines. Each separate line controls four 256K DRAMs 256K DRAMs with data tied data form byte. banks bits controlled pairs lines. eighteen data path produced connecting DQ18, DQ19, etc. alternately strobing RAS0 with RAS1 RAS2 with RAS3.
AK536512W 524,288 Word CMOS Dynamic Random Access Memory
FEATURES
524,288 organization Single In-Line Module Multiple lines allow widths CAS-before-RAS refresh Operating free temperature 70oC Single Volt Power Supply
Power 5.41 Watt Active (70nS) 4.75 Watt Active 4.09 Watt Active (100 Standby Refresh Cycles, mSEC Available Fast Page Mode Static Column Mode versions Downward compatible with AK536256W Upward compatible with AK5361024W, AK5362048W, AK5364096W AK5368192W
NOMENCLATURE
DQ35 CAS0 CAS3 RAS0 RAS3 Data In/Data Address Inputs Column Address Strobe Address Strobe Write Enable Presence Detect Supply Ground Connect
ASSIGNMENT
SYMBOL DQ18 DQ19 DQ20 DQ21 SYMBOL DQ22 DQ23 DQ24 DQ25 RAS3 RAS2 DQ26 SYMBOL DQ17 DQ35 CAS0 CAS2 CAS3 CAS1 RAS0 RAS1 DQ27 DQ10 DQ28 DQ11 DQ29 SYMBOL DQ12 DQ30 DQ13 DQ31 DQ32 DQ14 DQ33 DQ15 DQ34 DQ16
MODULE OPTIONS
Leadless SIM: AK536512W Leaded ZIP: AK536512Z
Presence Detect
FUNCTIONAL DIAGRAM
MECHANICAL DIMENSIONS
4.240" 4.260" 3.979" 3.989"
0.330"
1.000" 0.425" 0.375"
0.250" 0.080" 0.125" 0.050"
ACCUTEK MICROCIRCUIT CORPORATION BUSINESS CENTER NEWBURYPORT PASTURE ROAD, SUITE NEWBURYPORT, 01950-4054 PHONE: 978-465-6200 FAX: 978-462-3396 E-Mail: sales@accutekmicro.com Internet: www.accutekmicro.com
Accutek reserves right make changes specifications time without notice. Accutek does assume responsibility circuitry described; circuit patent licenses implied. Preliminary data sheets contain minimum maximum limits based upon design objectives, which subject change upon full characterization over specific operating conditions.

AK536512W 524,288 Word CMOS Dynamic Random Access Memory FEATURES

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