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Memory / DRAMs / NN514256LR-50
Datasheets
NN514256LR-50 by: United Microelectronics Corporation

Fast Page DRAM, 256KX4, 50ns, CMOS, PDSO20

Part Details for NN514256LR-50 by United Microelectronics Corporation

Overview of NN514256LR-50 by United Microelectronics Corporation

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Applications Education and Research Consumer Electronics Computing and Data Storage

Part Details for NN514256LR-50

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NN514256LR-50 Part Data Attributes

Parametric Data
NN514256LR-50 United Microelectronics Corporation
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NN514256LR-50 United Microelectronics Corporation Fast Page DRAM, 256KX4, 50ns, CMOS, PDSO20
Rohs Code No
Part Life Cycle Code Obsolete
Ihs Manufacturer NIPPON STEEL SEMICONDUCTOR CORP
Package Description TSSOP, TSSOP20/24,.63,20
Reach Compliance Code unknown
ECCN Code EAR99
HTS Code 8542.32.00.02
Access Mode FAST PAGE
Access Time-Max 50 ns
Additional Feature RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH
I/O Type COMMON
JESD-30 Code R-PDSO-G20
JESD-609 Code e0
Memory Density 1048576 bit
Memory IC Type FAST PAGE DRAM
Memory Width 4
Number of Functions 1
Number of Ports 1
Number of Terminals 20
Number of Words 262144 words
Number of Words Code 256000
Operating Mode ASYNCHRONOUS
Operating Temperature-Max 70 °C
Operating Temperature-Min
Organization 256KX4
Output Characteristics 3-STATE
Package Body Material PLASTIC/EPOXY
Package Code TSSOP
Package Equivalence Code TSSOP20/24,.63,20
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Qualification Status Not Qualified
Refresh Cycles 512
Reverse Pinout YES
Standby Current-Max 0.00005 A
Supply Current-Max 0.09 mA
Supply Voltage-Max (Vsup) 5.5 V
Supply Voltage-Min (Vsup) 4.5 V
Supply Voltage-Nom (Vsup) 5 V
Surface Mount YES
Technology CMOS
Temperature Grade COMMERCIAL
Terminal Finish TIN LEAD
Terminal Form GULL WING
Terminal Pitch 0.5 mm
Terminal Position DUAL

Alternate Parts for NN514256LR-50

This table gives cross-reference parts and alternative options found for NN514256LR-50. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of NN514256LR-50, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
NN514256LT-50 United Microelectronics Corporation Check for Price Fast Page DRAM, 256KX4, 50ns, CMOS, PDSO20 NN514256LR-50 vs NN514256LT-50
Part Number Manufacturer Composite Price Description Compare
NN514256T-50 United Microelectronics Corporation Check for Price Fast Page DRAM, 256KX4, 50ns, CMOS, PDSO20 NN514256LR-50 vs NN514256T-50
MT4C4256RG-8LIT Micron Technology Inc Check for Price Fast Page DRAM, 256KX4, 80ns, CMOS, PDSO20, 0.300 INCH, REVERSE, TSOP-26/20 NN514256LR-50 vs MT4C4256RG-8LIT
M5M44256BRV-7L Mitsubishi Electric Check for Price Fast Page DRAM, 256KX4, 70ns, CMOS, PDSO20, 6 X 16 MM, PLASTIC, TSOP1-24/20 NN514256LR-50 vs M5M44256BRV-7L
KM44C268CT-7 Samsung Semiconductor Check for Price Static Column DRAM, 256KX4, 70ns, CMOS, PDSO20, 0.300 INCH, TSOP2-26/20 NN514256LR-50 vs KM44C268CT-7
KM44C256CSLV-7 Samsung Semiconductor Check for Price Fast Page DRAM, 256KX4, 70ns, CMOS, PDSO20, PLASTIC, TSOP1-20 NN514256LR-50 vs KM44C256CSLV-7
MN41C4256ATR-06 Panasonic Electronic Components Check for Price Fast Page DRAM, 256KX4, 60ns, CMOS, PDSO20, 6 X 16 MM, PLASTIC, TSOP-20 NN514256LR-50 vs MN41C4256ATR-06
NN514256T-40 United Microelectronics Corporation Check for Price Fast Page DRAM, 256KX4, 40ns, CMOS, PDSO20 NN514256LR-50 vs NN514256T-40
KM44C256CSLT-8 Samsung Semiconductor Check for Price Fast Page DRAM, 256KX4, 80ns, CMOS, PDSO20, PLASTIC, TSOP2-20 NN514256LR-50 vs KM44C256CSLT-8
M5M44256BRV-8L Mitsubishi Electric Check for Price Fast Page DRAM, 256KX4, 80ns, CMOS, PDSO20, 6 X 16 MM, PLASTIC, TSOP1-24/20 NN514256LR-50 vs M5M44256BRV-8L
MT4C4256RG-10LTR Micron Technology Inc Check for Price Fast Page DRAM, 256KX4, 100ns, CMOS, PDSO20, 0.300 INCH, PLASTIC, REVERSE, TSOP-26/20 NN514256LR-50 vs MT4C4256RG-10LTR

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