AS4C256M16D3C 256M x 16 bit DDR3 Synchronous DRAM (SDRAM)
●Overview
■The 4Gb Double-Data-Rate-3 DRAMs is double data rate architecture to achieve high-speed operation. It is internally configured as an eight bank DRAM.
■The 4Gb chip is organized as 32Mbit x 16I/Os x 8 bank devices. These synchronous devices achieve high speed double-data-rate transfer rates of up to 2133 Mb/ sec/pin for general applications.
■The chip is designed to comply with all key DDR3 DRAM key features and all of the control and address inputs are synchronized with a pair of externally supplied differential clocks. Inputs are latched at the cross point of differential clocks (CK rising and CK# falling). All I/Os are synchronized with differential DQS pair in a source synchronous fashion.
●Features
■JEDEC Standard Compliant
■Power supplies: V-DD & V-DDQ = +1.5V ± 0.075V
■Operating temperature range:
▲Commercial : T-C = 0~95°C
▲Industrial : T-C = -40~95°C
■Supports JEDEC clock jitter specification
■Fully synchronous operation
■Fast clock rate: 800/933/1066MHz
■Differential Clock, CK & CK#
■Bidirectional differential data strobe
▲DQS & DQS#
■8 internal banks for concurrent operation
■8n-bit prefetch architecture
■Pipelined internal architecture
■Precharge & active power down
■Programmable Mode & Extended Mode registers
■Additive Latency (AL): 0, CL-1, CL-2
■Programmable Burst lengths: 4, 8
■Burst type: Sequential / Interleave
■Output Driver Impedance Control
■Average refresh period
▲8192 cycles/64ms (7.8us at -40°C ≦ T-C ≦ +85°C)
▲8192 cycles/32ms (3.9us at +85°C ≦ T-C ≦ +95°C)
■Write Leveling
■ZQ Calibration
■Dynamic ODT (Rtt_Nom & Rtt_WR)
■RoHS compliant
■Auto Refresh and Self Refresh
■96-ball 7.5 x 13.5 x 1.2mm FBGA package
▲Pb and Halogen Free
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AS4C256M16D3C 、 AS4C256M16D3C-93BCN 、 AS4C256M16D3C-10BCN 、 AS4C256M16D3C-10BIN 、 AS4C256M16D3C-12BCN 、 AS4C256M16D3C-12BIN 、 AS4C256M16D3C-93/10/12BC/INXX |
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256M x 16 bit DDR3 Synchronous DRAM (SDRAM) 、 Double-Data-Rate-3 DRAMs 、 DRAMs |
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Datasheet |
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Please see the document for details |
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FBGA |
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English Chinese Chinese and English Japanese |
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May.2020 |
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Rev 1.1 |
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5.5 MB |
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