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IS46DR16640C

ISSI
Part Number IS46DR16640C
Manufacturer ISSI
Description DDR2 DRAM
Published Aug 1, 2016
Detailed Description IS43/46DR81280C IS43/46DR16640C 128Mx8, 64Mx16 DDR2 DRAM FEATURES • Vdd = 1.8V ±0.1V, Vddq = 1.8V ±0.1V • JEDEC standa...
Datasheet PDF File IS46DR16640C PDF File

IS46DR16640C
IS46DR16640C

Overview
IS43/46DR81280C IS43/46DR16640C 128Mx8, 64Mx16 DDR2 DRAM FEATURES • Vdd = 1.
8V ±0.
1V, Vddq = 1.
8V ±0.
1V • JEDEC standard 1.
8V I/O (SSTL_18-compatible) • Double data rate interface: two data transfers per clock cycle • Differential data strobe (DQS, DQS) • 4-bit prefetch architecture • On chip DLL to align DQ and DQS transitions with CK • 8 internal banks for concurrent operation • Programmable CAS latency (CL) 3, 4, 5, 6 and 7 supported • Posted CAS and programmable additive latency (AL) 0, 1, 2, 3, 4, 5 and 6 supported • WRITE latency = READ latency - 1 tCK • Programmable burst lengths: 4 or 8 • Adjustable data-output drive strength, full and reduced strength options • On-die termination (ODT) ADVANCED INFORMATION DESCRIPTION MAY 2013 ISSI's 1Gb DDR2 SDRAM uses a double-data-rate architecture to achieve high-speed operation.
The double-data rate architecture is essentially a 4n-prefetch architecture, with an interface designed to transfer two data words per clock ...


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