DRAM 64k x 1: Difference between revisions

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!bit
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!Byte (padded 0000xxxx)
!Byte (padded 0000000x)
!Byte (unpadded)
!Byte (unpadded)
!Hex
!Hex

Revision as of 18:43, 9 September 2014

Dynamic Random-Access Memory 64K x 1 (DIP16, 300mil)(LCC18, 330mil)

Size

bit Byte (padded 0000000x) Byte (unpadded) Hex
64Kb 64KB 8KB 10000hex

Cross-Reference

BRAND			TAG	NUMBER	CODES

Micron			MI	  4264	MT4264
National Semiconductor	NMC	  3764	NMC3764 NMC4164
NEC			uPD	  4164	uPD4164C uPD4164D uPD4265C
OKI			MSM	  3764	MSM3764 MSM3764A
Samsung			KM	  4164	KM4164
Texas Instruments	TMS	  4164	TMS4164
Toshiba			TMM	  4164	TMM4164AP TMM4164C TMM4164P

Note:
*64= Page mode
*65= Automatic pulse refresh

Pinout

DIP16 (*64 Page mode)				DIP16 (*65 Automatic pulse refresh)
     +--\/--+					      +--\/--+
  NC |1   16| GND				*RFSH |1   16| GND
 Din |2   15| *CAS				  Din |2   15| *CAS
 *WE |3   14| Dout				  *WE |3   14| Dout
*RAS |4   13| A6				 *RAS |4   13| A6
  A0 |5   12| A3				   A0 |5   12| A3
  A2 |6   11| A4				   A2 |6   11| A4
  A1 |7   10| A5				   A1 |7   10| A5
 Vcc |8    9| A7				  Vcc |8    9| A7
     +------+					      +------+

LCC18
+---------------------------------------------------------------+
|  3 *WE        |  8 A1         | 12 A4         | 17 *CAS       |
|  4 *RAS       |  9 Vdd        | 13 A3         | 18 Vss        |
|  5 NC         | 10 A7         | 14 NC         |  1 NC         |
|  6 A0         | 11 A5         | 15 A6         |  2 Din        |
|  7 A2         |               | 16 Dout       |               |
+---------------------------------------------------------------+

External links

DRAM page on wikipedia

Files