OKI MSC23V26457TA60BS8, MSC23V26457TA70BS8, MSC23V26457SA60BS8, MSC23V26457SA70BS8 Datasheet

¡ Semiconductor		Preliminary
Semiconductor	MSC23V26457TA-xxBS8/MSC23V26457SA-xxBS8

MSC23V26457TA-xxBS8/

MSC23V26457SA-xxBS8

2,097,152-Word ´ 64-Bit DRAM MODULE : FAST PAGE MODE TYPE WITH EDO

DESCRIPTION

The Oki MSC23V26457TA-xxBS8/MSC23V26457SA-xxBS8 is a fully decoded 2,097,152-word ´ 64-bit CMOS dynamic random access memory composed of eight 16-Mb DRAMs (2M ´ 8) in TSOP or SOJ packages mounted with decoupling capacitors on an 168-pin glass epoxy DIMM Package supports any application where high density and large capacity of storage memory are required.

FEATURES

•2,097,152-word ´ 64-bit (8 Byte) organization

•168-pin DIMM MSC23V26457TA-xxBS8 : TSOP type MSC23V26457SA-xxBS8 : SOJ type

•Single 3.3 V supply ±0.3 V tolerance

• Input : LVTTL compatible

•Output : LVTTL compatible, 3-state, nonlatch

•Refresh : 2048 cycles/32 ms

•CAS before RAS refresh, CAS before RAS hidden refresh, RAS-only refresh capability

•Multi-bit test mode capability

•Fast Page Mode with EDO capability

•Serial Presence Detect

PRODUCT FAMILY

	Family	Access Time (Max.)				Cycle Time	Power Dissipation
		tRAC	tAA	tCAC	tOEA	(Min.)	Operating (Max.)	Standby (Max.)		8
	MSC23V26457TA-60BS8	60 ns	30 ns	15 ns	15 ns	110 ns	4320 mW
	MSC23V26457SA-60BS8
								28.8 mW
	MSC23V26457TA-70BS8	70 ns	35 ns	20 ns	20 ns	130 ns	3744 mW
	MSC23V26457SA-70BS8

631

MSC23V26457TA-xxBS8/MSC23V26457SA-xxBS8

¡ Semiconductor

PIN CONFIGURATION

MSC23V26457TA-xxBS8

25.4 ±0.13
		17.78 ±0.13		3.0 ±0.13

11.43 ±0.1

5.89 ±0.13

21.495 ±0.13

3.0 ±0.13

		(Unit : mm)
*1
133.35 ±0.2		2.67 Max.
	2 – R2 ±0.1

			2 – φ3 ±0.1
A	B	84	6.0 Min.
36.83 ±0.1	2 – R1 ±0.1
45.18 ±0.13	54.61 ±0.1
	127.35 Typ.		1.27 ±0.1

CL

3.00 ±0.13

2.0 ±0.1						2.0 ±0.1
6.35 ±0.1						6.35 ±0.1

1.0 ±0.1

0.25 Max.

3.00 ±0.13

0.23 Min.

1.27 ±0.1

DETAIL A DETAIL B

	*1 The common size difference of the board width 19.78 mm of its height is
8	specified as ±0.2. The value above 19.78 mm is specified as ±0.5.

632

¡ Semiconductor

MSC23V26457TA-xxBS8/MSC23V26457SA-xxBS8

MSC23V26457SA-xxBS8

25.4 ±0.13

17.78 ±0.13

3.0 ±0.13

11.43 ±0.1

5.89 ±0.13

21.495 ±0.13

3.0 ±0.13

		(Unit : mm)
*1
133.35 ±0.2		5.28 Max.
	2 – R2 ±0.1

			2 – φ3 ±0.1
A	B	84	6.0 Min.
36.83 ±0.1	2 – R1 ±0.1
45.18 ±0.13	54.61 ±0.1
	127.35 Typ.		1.27 ±0.1

CL

3.00 ±0.13

2.0 ±0.1						2.0 ±0.1
6.35 ±0.1						6.35 ±0.1
DETAIL A						DETAIL B

1.0 ±0.1

0.25 Max.

3.00 ±0.13

0.23 Min.

1.27 ±0.1

*1 The common size difference of the board width 19.78 mm of its height is

specified as ±0.2. The value above 19.78 mm is specified as ±0.5.	8

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		MSC23V26457TA-xxBS8/MSC23V26457SA-xxBS8																	¡ Semiconductor
		Front Side
				Pin No.		Pin Name			Pin No.		Pin Name		Pin No.		Pin Name		Pin No.		Pin Name		Pin No.		Pin Name
				1			VSS		18		VCC		35		A4		52		NC		69		DQ24
		2					DQ0		19		DQ14		36		A6		53		NC		70		DQ25
				3			DQ1		20		DQ15		37		A8		54		VSS		71		DQ26
		4					DQ2		21		NC		38		A10R		55		DQ16		72		DQ27
				5			DQ3		22		NC		39		NC		56		DQ17		73		VCC
				6			VCC		23		VSS		40		VCC		57		DQ18		74		DQ28
				7			DQ4		24		NC		41		VCC		58		DQ19		75		DQ29
				8			DQ5		25		NC		42		NC		59		VCC		76		DQ30
				9			DQ6		26		VCC		43		VSS		60		DQ20		77		DQ31
				10			DQ7		27		WE0		44		OE2		61		NC		78		VSS
		11					DQ8		28		CAS0		45		RAS2		62		NC		79		NC
				12			VSS		29		CAS1		46		CAS2		63		NC		80		NC
				13			DQ9		30		RAS0		47		CAS3		64		VSS		81		NC
		14					DQ10		31		OE0		48		WE2		65		DQ21		82		SDA
				15			DQ11		32		VSS		49		VCC		66		DQ22		83		SCL
				16			DQ12		33		A0		50		NC		67		DQ23		84		VCC
				17			DQ13		34		A2		51		NC		68		VSS
		Back Side
				Pin No.	Pin Name				Pin No.	Pin Name			Pin No.	Pin Name			Pin No.	Pin Name			Pin No.	Pin Name
			85				VSS		102		VCC		119		A5		136		NC		153		DQ56
		86					DQ32		103		DQ46		120		A7		137		NC		154		DQ57
			87				DQ33		104		DQ47		121		A9		138		VSS		155		DQ58
		88					DQ34		105		NC		122		NC		139		DQ48		156		DQ59
			89				DQ35		106		NC		123		NC		140		DQ49		157		VCC
			90				VCC		107		VSS		124		VCC		141		DQ50		158		DQ60
8
		91					DQ36		108		NC		125		NC		142		DQ51		159		DQ61
			92				DQ37		109		NC		126		NC		143		VCC		160		DQ62
			93				DQ38		110		VCC		127		VSS		144		DQ52		161		DQ63
			94				DQ39		111		NC		128		NC		145		NC		162		VSS
		95					DQ40		112		CAS4		129		NC		146		NC		163		NC
			96				VSS		113		CAS5		130		CAS6		147		NC		164		NC
			97				DQ41		114		NC		131		CAS7		148		VSS		165		SA0
		98					DQ42		115		NC		132		NC		149		DQ53		166		SA1
			99				DQ43		116		VSS		133		VCC		150		DQ54		167		SA2
			100				DQ44		117		A1		134		NC		151		DQ55		168		VCC
			101				DQ45		118		A3		135		NC		152		VSS

634