Part Number: AS4C512M32MD3-15BCN vs AS4C256M8D2-25BIN

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Part Number: AS4C512M32MD3-15BCN AS4C256M8D2-25BIN
Manufacturer: Alliance Memory, Inc. Alliance Memory, Inc.
Description: SDRAM Memory IC 13mm mm
Quantity Available: Available Available
Datasheets: - -
Factory Lead Time 8 Weeks 8 Weeks
Mounting Type Surface Mount Surface Mount
Package / Case 178-VFBGA 60-TFBGA
Surface Mount YES YES
Operating Temperature -25°C~85°C TC -40°C~95°C TC
Packaging Tray Tray
Published 2013 2014
Part Status Obsolete Active
Moisture Sensitivity Level (MSL) 3 (168 Hours) 3 (168 Hours)
Number of Terminations 178 60
ECCN Code EAR99 -
Additional Feature AUTO/SELF REFRESH; IT ALSO REQUIRES 1.8V NOMINAL SUPPLY AUTO/SELF REFRESH
Technology SDRAM - Mobile LPDDR3 SDRAM - DDR2
Voltage - Supply 1.14V~1.95V 1.7V~1.9V
Terminal Position BOTTOM BOTTOM
Peak Reflow Temperature (Cel) NOT SPECIFIED NOT SPECIFIED
Number of Functions 1 1
Supply Voltage 1.2V 1.8V
Terminal Pitch 0.8mm 0.8mm
Reach Compliance Code compliant -
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED NOT SPECIFIED
JESD-30 Code R-PBGA-B178 R-PBGA-B60
Supply Voltage-Max (Vsup) 1.3V 1.9V
Supply Voltage-Min (Vsup) 1.14V 1.7V
Memory Size 16Gb 512M x 32 2Gb 256M x 8
Number of Ports 1 1
Memory Type Volatile Volatile
Operating Mode SYNCHRONOUS SYNCHRONOUS
Clock Frequency 667MHz 400MHz
Memory Format DRAM DRAM
Memory Interface Parallel Parallel
Organization 512MX32 256MX8
Memory Width 32 8
Write Cycle Time - Word, Page 15ns 15ns
Memory Density 17179869184 bit 2147483648 bit
Access Mode MULTI BANK PAGE BURST -
Height Seated (Max) 1mm 1.2mm
Length 11.5mm 13mm
Width 11mm 10.5mm
RoHS Status RoHS Compliant ROHS3 Compliant
Pbfree Code - yes
Access Time - 57.5ns
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