IC number:	MSM514252
IC function:	256k×4 Multiport DRAM

Component documentation

IC number	Manufacturer	Documentation
MSM514252	Oki	Not available

Component versions

IC number	Package	Access time	CBM part number	CBM part description
MSM514252-10ZS	28-pin ZIP	100 ns	390547-01	VRAM MSM514252-10 (ZIP style)

Positions

Device	Positions	Package	Access time
A2410	U711..U718, U811..U818	ZIP	100 ns

Pinout

Pin	Type	Name
1	?	SF
2..3	I/O	W4/IO4..W3/IO3
4	Input	_SE
5..6	I/O	SIO3..SIO4
7	Power	VSS
8	Input	SC
9..10	I/O	SIO1..SIO2
11	Input	_DT/_OE
12..13	I/O	W1/IO1..W2/IO2
14	Input	_WB/_WE
15	N/C	NC
16	Input	_RAS
17	Input	A8
18..20	Input	A6..A4
21	Power	VCC
22	Input	A7
23..26	Input	A3..A0
27	?	QSF
28	Input	_CAS