HM51256P-12
vs
TMS4257-12NE
feature comparison
All Stats
Differences Only
Part Life Cycle Code
Active
Obsolete
Ihs Manufacturer
RENESAS ELECTRONICS CORP
TEXAS INSTRUMENTS INC
Package Description
0.300 INCH, PLASTIC, DIP-16
DIP,
Reach Compliance Code
compliant
unknown
ECCN Code
EAR99
EAR99
HTS Code
8542.32.00.02
8542.32.00.02
Access Mode
FAST PAGE
NIBBLE
Access Time-Max
120 ns
120 ns
Additional Feature
RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH
RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH
I/O Type
SEPARATE
JESD-30 Code
R-PDIP-T16
R-PDIP-T16
Memory Density
262144 bit
262144 bit
Memory IC Type
FAST PAGE DRAM
NIBBLE MODE DRAM
Memory Width
1
1
Number of Functions
1
1
Number of Ports
1
1
Number of Terminals
16
16
Number of Words
262144 words
262144 words
Number of Words Code
256000
256000
Operating Mode
ASYNCHRONOUS
ASYNCHRONOUS
Operating Temperature-Max
70 °C
85 °C
Operating Temperature-Min
-40 °C
Organization
256KX1
256KX1
Output Characteristics
3-STATE
3-STATE
Package Body Material
PLASTIC/EPOXY
PLASTIC/EPOXY
Package Code
DIP
DIP
Package Shape
RECTANGULAR
RECTANGULAR
Package Style
IN-LINE
IN-LINE
Refresh Cycles
256
256
Supply Voltage-Max (Vsup)
5.5 V
5.5 V
Supply Voltage-Min (Vsup)
4.5 V
4.5 V
Supply Voltage-Nom (Vsup)
5 V
5 V
Surface Mount
NO
NO
Technology
CMOS
NMOS
Temperature Grade
COMMERCIAL
INDUSTRIAL
Terminal Form
THROUGH-HOLE
THROUGH-HOLE
Terminal Position
DUAL
DUAL
Base Number Matches
2
1
Length
19.305 mm
Qualification Status
Not Qualified
Seated Height-Max
5.08 mm
Terminal Pitch
2.54 mm
Width
7.62 mm
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