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GS82583ED18GK-625 데이터시트(PDF) 1 Page - GSI Technology |
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GS82583ED18GK-625 데이터시트(HTML) 1 Page - GSI Technology |
1 / 26 page GS82583ED18/36GK-675/625/550/500 288Mb SigmaQuad-IIIe™ Burst of 4 SRAM Up to 675 MHz 1.3V VDD 1.2V, 1.3V, or 1.5V VDDQ Rev: 1.06 8/2017 1/26 © 2014, GSI Technology Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. 260-Pin BGA Commercial Temp Industrial Temp Features • 8Mb x 36 and 16Mb x 18 organizations available • 675 MHz maximum operating frequency • 675 MT/s peak transaction rate (in millions per second) • 97 Gb/s peak data bandwidth (in x36 devices) • Separate I/O DDR Data Buses • Non-multiplexed SDR Address Bus • One operation - Read or Write - per clock cycle • Burst of 4 Read and Write operations • 3 cycle Read Latency • 1.3V nominal core voltage • 1.2V, 1.3V, or 1.5V HSTL I/O interface • Configurable ODT (on-die termination) • ZQ pin for programmable driver impedance • ZT pin for programmable ODT impedance • IEEE 1149.1 JTAG-compliant Boundary Scan • 260-pin, 14 mm x 22 mm, 1 mm ball pitch, 6/6 RoHS- compliant BGA package SigmaQuad-IIIe™ Family Overview SigmaQuad-IIIe SRAMs are the Separate I/O half of the SigmaQuad-IIIe/SigmaDDR-IIIe family of high performance SRAMs. Although very similar to GSI's second generation of networking SRAMs (the SigmaQuad-II/SigmaDDR-II family), these third generation devices offer several new features that help enable significantly higher performance. Clocking and Addressing Schemes The GS82583ED18/36GK SigmaQuad-IIIe SRAMs are synchronous devices. They employ three pairs of positive and negative input clocks; one pair of master clocks, CK and CK, and two pairs of write data clocks, KD[1:0] and KD[1:0]. All six input clocks are single-ended; that is, each is received by a dedicated input buffer. CK and CK are used to latch address and control inputs, and to control all output timing. KD[1:0] and KD[1:0] are used solely to latch data inputs. Each internal read and write operation in a SigmaQuad-IIIe B4 SRAM is four times wider than the device I/O bus. An input data bus de-multiplexer is used to accumulate incoming data before it is simultaneously written to the memory array. An output data multiplexer is used to capture the data produced from a single memory array read and then route it to the appropriate output drivers as needed. Therefore, the address field of a SigmaQuad-IIIe B4 SRAM is always two address pins less than the advertised index depth (e.g. the 16M x 18 has 4M addressable index). Parameter Synopsis Speed Grade Max Operating Frequency Read Latency VDD -675 675 MHz 3 cycles 1.25V to 1.35V -625 625 MHz 3 cycles 1.25V to 1.35V -550 550 MHz 3 cycles 1.25V to 1.35V -500 500 MHz 3 cycles 1.25V to 1.35V |
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