AS4C4256-45PC datasheet, PDF - EEWORLD Datasheet

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AS4C4256-45PC: DescriptionFast Page DRAM, 256KX4, 45ns, CMOS, PDIP20, 0.300 INCH, PLASTIC, DIP-20; Categorystorage storage; File Size37KB，1 Pages; ManufacturerALSC [Alliance Semiconductor Corporation]

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AS4C4256-45PC Overview

Fast Page DRAM, 256KX4, 45ns, CMOS, PDIP20, 0.300 INCH, PLASTIC, DIP-20

AS4C4256-45PC Parametric

Parameter Name	Attribute value
Maker	ALSC [Alliance Semiconductor Corporation]
Parts packaging code	DIP
package instruction	DIP,
Contacts	20
Reach Compliance Code	unknown
ECCN code	EAR99
access mode	FAST PAGE
Maximum access time	45 ns
JESD-30 code	R-PDIP-T20
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
word count	262144 words
character code	256000
Operating mode	ASYNCHRONOUS
organize	256KX4
Package body material	PLASTIC/EPOXY
encapsulated code	DIP
Package shape	RECTANGULAR
Package form	IN-LINE
Certification status	Not Qualified
Maximum seat height	4.445 mm
surface mount	NO
technology	CMOS
Terminal form	THROUGH-HOLE
Terminal pitch	2.54 mm
Terminal location	DUAL
width	7.62 mm
Base Number Matches	1

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AS4C4256-45PC Related Products

	AS4C4256-45PC	AS4C4256-45JC	AS4C4256-60JC	AS4C4256-40PC	AS4C4256-50JC	AS4C4256-60PC	AS4C4256-50PC
Description	Fast Page DRAM, 256KX4, 45ns, CMOS, PDIP20, 0.300 INCH, PLASTIC, DIP-20	Fast Page DRAM, 256KX4, 45ns, CMOS, PDSO26, 0.300 INCH, PLASTIC, SOJ-26/20	Fast Page DRAM, 256KX4, 60ns, CMOS, PDSO26, 0.300 INCH, PLASTIC, SOJ-26/20	Fast Page DRAM, 256KX4, 40ns, CMOS, PDIP20, 0.300 INCH, PLASTIC, DIP-20	Fast Page DRAM, 256KX4, 50ns, CMOS, PDSO26, 0.300 INCH, PLASTIC, SOJ-26/20	Fast Page DRAM, 256KX4, 60ns, CMOS, PDIP20, 0.300 INCH, PLASTIC, DIP-20	Fast Page DRAM, 256KX4, 50ns, CMOS, PDIP20, 0.300 INCH, PLASTIC, DIP-20
Parts packaging code	DIP	SOJ	SOJ	DIP	SOJ	DIP	DIP
package instruction	DIP,	SOJ,	SOJ,	DIP,	SOJ,	DIP,	DIP,
Contacts	20	26	26	20	26	20	20
Reach Compliance Code	unknown	unknown	unknown	unknown	unknown	unknown	unknown
ECCN code	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
access mode	FAST PAGE	FAST PAGE	FAST PAGE	FAST PAGE	FAST PAGE	FAST PAGE	FAST PAGE
Maximum access time	45 ns	45 ns	60 ns	40 ns	50 ns	60 ns	50 ns
JESD-30 code	R-PDIP-T20	R-PDSO-J26	R-PDSO-J26	R-PDIP-T20	R-PDSO-J26	R-PDIP-T20	R-PDIP-T20
memory density	1048576 bit	1048576 bit	1048576 bit	1048576 bit	1048576 bit	1048576 bit	1048576 bit
Memory IC Type	FAST PAGE DRAM	FAST PAGE DRAM	FAST PAGE DRAM	FAST PAGE DRAM	FAST PAGE DRAM	FAST PAGE DRAM	FAST PAGE DRAM
memory width	4	4	4	4	4	4	4
Number of functions	1	1	1	1	1	1	1
Number of ports	1	1	1	1	1	1	1
Number of terminals	20	26	26	20	26	20	20
word count	262144 words	262144 words	262144 words	262144 words	262144 words	262144 words	262144 words
character code	256000	256000	256000	256000	256000	256000	256000
Operating mode	ASYNCHRONOUS	ASYNCHRONOUS	ASYNCHRONOUS	ASYNCHRONOUS	ASYNCHRONOUS	ASYNCHRONOUS	ASYNCHRONOUS
organize	256KX4	256KX4	256KX4	256KX4	256KX4	256KX4	256KX4
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	DIP	SOJ	SOJ	DIP	SOJ	DIP	DIP
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	IN-LINE	SMALL OUTLINE	SMALL OUTLINE	IN-LINE	SMALL OUTLINE	IN-LINE	IN-LINE
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	4.445 mm	3.56 mm	3.56 mm	4.445 mm	3.56 mm	4.445 mm	4.445 mm
surface mount	NO	YES	YES	NO	YES	NO	NO
technology	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS
Terminal form	THROUGH-HOLE	J BEND	J BEND	THROUGH-HOLE	J BEND	THROUGH-HOLE	THROUGH-HOLE
Terminal pitch	2.54 mm	1.27 mm	1.27 mm	2.54 mm	1.27 mm	2.54 mm	2.54 mm
Terminal location	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL
width	7.62 mm	7.62 mm	7.62 mm	7.62 mm	7.62 mm	7.62 mm	7.62 mm
Base Number Matches	1	1	1	1	1	-	-

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