Part Number: AS4C32M16SB-6TIN vs AS4C256M8D2-25BIN

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Part Number: AS4C32M16SB-6TIN AS4C256M8D2-25BIN
Manufacturer: Alliance Memory, Inc. Alliance Memory, Inc.
Description: IC SDRAM 512MBIT 166MHZ 54TSOP Memory IC 13mm mm
Quantity Available: Available Available
Datasheets: - -
Factory Lead Time 8 Weeks 8 Weeks
Mounting Type Surface Mount Surface Mount
Package / Case 54-TSOP (0.400, 10.16mm Width) 60-TFBGA
Surface Mount YES YES
Operating Temperature 0°C~70°C TA -40°C~95°C TC
Packaging Tray Tray
Published 2016 2014
Part Status Active Active
Moisture Sensitivity Level (MSL) 3 (168 Hours) 3 (168 Hours)
Number of Terminations 54 60
Additional Feature AUTO/SELF REFRESH AUTO/SELF REFRESH
Technology SDRAM SDRAM - DDR2
Voltage - Supply 3V~3.6V 1.7V~1.9V
Terminal Position DUAL BOTTOM
Peak Reflow Temperature (Cel) NOT SPECIFIED NOT SPECIFIED
Number of Functions 1 1
Supply Voltage 3.3V 1.8V
Terminal Pitch 0.8mm 0.8mm
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED NOT SPECIFIED
JESD-30 Code R-PDSO-G54 R-PBGA-B60
Supply Voltage-Max (Vsup) 3.6V 1.9V
Supply Voltage-Min (Vsup) 3V 1.7V
Memory Size 512Mb 32M x 16 2Gb 256M x 8
Number of Ports 1 1
Memory Type Volatile Volatile
Operating Mode SYNCHRONOUS SYNCHRONOUS
Clock Frequency 166MHz 400MHz
Access Time 5ns 57.5ns
Memory Format DRAM DRAM
Memory Interface Parallel Parallel
Organization 32MX16 256MX8
Memory Width 16 8
Write Cycle Time - Word, Page 12ns 15ns
Memory Density 536870912 bit 2147483648 bit
Height Seated (Max) 1.2mm 1.2mm
Length 22.22mm 13mm
Width 10.16mm 10.5mm
RoHS Status ROHS3 Compliant ROHS3 Compliant
Pbfree Code - yes
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