IC function:	4 Mbit (256k×16) DRAM
Related components:	4 Mbit (512k×8) DRAM

Component documentation

IC number	Manufacturer	Documentation
HM514260, HM514260A	Hitachi	Not available
µPD424260	NEC	Not available
KM416C256B	Samsung	Not available
HY514260B	Hyundai	Not available

Component versions

IC number	Package	Access time	CBM part number	CBM part description
HM514260AJ8, HM514260JP8, µPD424260-80	40-pin SOJ	80 ns	391105-01	DRAM 256K X 16 80NS SM
KM416C256BJ-7, HY514260BJC-70	40-pin SOJ	70 ns

Positions

Device	Positions	Package	Access time
A600	U16, U17	SOJ	80 ns
A1200	U16, U17, U18, U19	SOJ	80 ns
A601	U17, U18	SOJ	80 ns
CD³² MPEG board	U201	SOJ	80 ns

Pinout

Pin	Type	Name
1	Power	VCC
2..5	I/O	D1..D4
6	Power	VCC
7..10	I/O	D5..D8
11.12	N/C	NC
13	Input	_WE
14	Input	_RAS
15	N/C	NC
16..19	Input	A0..A3
20	Power	VCC
21	Power	GND
22..26	Input	A4..A8
27	Input	_OE
28	Input	_UCAS
29	Input	_LCAS
30	N/C	NC
31..34	I/O	D9..D12
35	Power	GND
36..39	I/O	D13..D16
40	Power	GND