SRAM 32k x 8

Cross-Reference

BRAND	TAG	NUMBER	PIN COUNT	OUTPUT	MARKINGS
Cypress	CY	62256	DIP28-300mil DIP28-600mil SOP28 TSOP28	.	CY62256 CY62256N
Hitachi	HM	62256	DIP28-300mil DIP28-600mil SOP28 TSOP28	TS	HM62256BLP HM62256BLFP HM62256BLSP HM62256BLT HM62256BLTM
Hyundai	HY	62256	DIP28-600mil SOP28 TSOP28	TS	HY53C256S HY53C256LS HY53C256F HY53C256LF
Samsung	KM	62256	DIP28-600mil SOP28 TSOP28	TS	KM62256 KM62256CL KM62256CLE KM62256CLI
Winbond	W	24257	DIP28-600mil SOP28 TSOP28	TS	W24257
Analod Devices	ADV	476	DIP20 LCC44		ADV476
Alliance	AS	164			AS7C164
AMD	Am	27S02	16	OC	Am27S02
AMD	Am	27S03	22	TS	Am27S03
American Semiconductors	EA	2101		TS	EA2101
AMI	S	2114			S2114
Dallas	DS	2064			DS1643 DS2064
Electronic Devices	EDI	8808			EDI8808
EMM Semi	SEMI	2114			SEMI2114
Eurotechnique	ET	4116			ET4116N
Fairchild	F	93425			F93425PC
Fujitsu	MB	8114			MB8114 MB8148 MB8149
Fujitsu	MBM	2114			MBM2114 MBM2148 MBM8414
G.E. / RCA	MWS	6116			MWS6116
Goldstar	GM	7628			GM76C28
Harris	HM	6516			HM6516 HM65162
Hualon Microelectronics	HM	86171	DIP2		HM86171
Integrated Dev. Tech.	IDT	71258			IDT71258 IDT61258 IDT71281S IDT71281L IDT71282S IDT71282L
Intel	D	2128			D2128 P2128
Intel	I	2197			I2197
Intel	P	2114			D2114 P2114 D2147 D2148 D2149
Intel	D/P	2115			D2115 D2125 P2125 D2102 D2102A S2102
Intersil	IM	7114			IM7114
Intersil	MWS	5101		TS	MWS5101 HM6551
Issi	IS	6164			IS61C64
Matsushita	MN	2114			MN2114 MN2148
Micron	MI	4264			MT4264
Micron	MT	1256			MT1256
Micronas	ITT	4116			ITT4116
Mitsubishi	M5	5117			M5M5117
Mitsubishi	M5L	2111		TS	M5L2111
Mitsubishi	M5M	8725			M58725
Mosel/Vitelic	MS	6516			MS6516
Mostek	MK	4116			MK4116P MK4116N
Motorola	MCM	6209			MCM6209C
National Semiconductors	MM	6551			MM6551 74C920 MM2101
National Semiconductor	NMC	6116			NMC6116 NMC6516
NEC	uPD	3254			uPD43254CR
OKI	MSM	2128			MSM2128 MSM5128
Performance Semi	P4C	116			P4C116
Philips	PCD	5114			PCD5114
Pyramid Semiconductor	P4C	148			P4C148 P4C149 P4C150
RCA	CD	5101		TS	CD5101 CD1822
Sanyo	LC	3664			LC3664
Seiko	SRM	2114			SRM2114 SRM5114 SRAM5114
SGS-Thomson	ST	48Z02			M48Z02 M48Z12 MK48Z02 MK48Z12
Sharp	LH	2464			LH2464
Siemens	HYB	41256			HYB41256
Signetics	N	8216		TS	N82S16 S82S16
Signetics	S	8217		OC	N82S17 S82S17
Signetics	N/S	2614			N2614
Sony	CXK	54256			CXK54256
Soviet	RU	573			KR573RU8
ST Microelectronics	ST	M48			M48T02 M48T12
Synertek	SY	2114			SY2114 SY2148
Temic	HM3	65764			HM3-65764 HM3-65664
Texas Instruments	SN	74201			SN74S201 74S201
Texas Instruments	TMS	2101			TMS2101 TMS2102 TMS4039
Thomson	MK	4802			MK48Z02 MK48Z12 ETL2128
Toshiba	TC	5514			TC5513 TC5514
Toshiba	TMM	5101		TS	TMM5101
United Microelectronics	UM	6264			UM6264 UM6164
ZMD	U	6216			U6216
OTHERS					SMOS2064 SMOS2264 SRM2264 2088 LP6264

Static Random-Access Memory 32K x 8 (DIP28, 600mil)(SOP28, 330mil)(TSOP28, 465mil)

Size

bit	Byte (unpadded)	Hex
256Kb	32KB	40000hex

Pinout

DIP28
         +---\/---+
     A14 | 1    28| Vdd
     A12 | 2    27| *WE
      A7 | 3    26| A13
      A6 | 4    25| A8
      A5 | 5    24| A9
      A4 | 6    23| A11
      A3 | 7    22| *OE
      A2 | 8    21| A10
      A1 | 9    20| *CS
      A0 |10    19| I/O8
    I/O1 |11    18| I/O7
    I/O2 |12    17| I/O6
    I/O3 |13    16| I/O5
     Vss |14    15| I/O4
         +--------+

SOP28
         +---\/---+
     A14 | 1    28| Vdd
     A12 | 2    27| *WE
      A7 | 3    26| A13
      A6 | 4    25| A8
      A5 | 5    24| A9
      A4 | 6    23| A11
      A3 | 7    22| *OE
      A2 | 8    21| A10
      A1 | 9    20| *CS
      A0 |10    19| I/O8
    I/O1 |11    18| I/O7
    I/O2 |12    17| I/O6
    I/O3 |13    16| I/O5
     Vss |14    15| I/O4
         +--------+

TSOP32
         +-------------+
     *OE | 1 []      32| A10
     A11 | 2         31| *CS
      NC | 3         30| NC
      A9 | 4         29| I/O7
      A8 | 5         28| I/O6
     A13 | 6         27| I/O5
     *WE | 7         26| I/O4
     Vcc | 8         25| I/O3
     A14 | 9         24| Vss
     A12 |10         23| I/O2
      A7 |11         22| I/O1
      A6 |12         21| I/O0
      A5 |13         20| A0
      NC |14         19| NC
      A4 |15         18| A1
      A3 |16         17| A2
         +-------------+

TSOP28
         +-------------+
     *OE | 1 []      28| A10
     A11 | 2         27| *CS
      A9 | 3         26| I/O8
      A8 | 4         25| I/O7
     A13 | 5         24| I/O6
     *WE | 6         23| I/O5
     Vdd | 7         22| I/O4
     A14 | 8         21| Vss
     A12 | 9         20| I/O3
      A7 |10         19| I/O2
      A6 |11         18| I/O1
      A5 |12         17| A0
      A4 |13         16| A1
      A3 |14         15| A2
         +-------------+

External links

SRAM page on wikipedia

Files

• 

  CY62256 Datasheet

• 

  CY62256N Datasheet

• 

  HM62256 Datasheet

• 

  HY62256 Datasheet

• 

  KM62256 Datasheet

• 

  W24257 Datasheet