27512

Cross-Reference

BRAND	TAG	NUMBER	PIN COUNT	MARKINGS
AMD	Am	27512	DIP28	Am27512 Am27512HV
AMD	Am	27C512	DIP28 LCC32	Am27C512 Am27C512L
AMD	DS	41300	DIP28	DS41300
Amic	A	276308	DIP28 LCC32 SOIC28	A276308 A276308A
Amic	A	27L6308	DIP28 LCC32	A27L6308
ASI	SMJ	27C512	DIP28	SMJ27C512
Atmel	AT	27C520	SOIC20 TSOP28 TSSOP20	AT27C520
Atmel	AT	27LV520	SOIC20 TSSOP20	AT27LV520
Atmel	AT	27BV512	DIP28 LCC32 SOIC28 TSOP28	AT27BV512
Atmel	AT	27C512	DIP28 LCC32 SOIC28 TSOP28	AT27C512 AT27C512R
Atmel	AT	27LV512	DIP28 LCC32 SOIC28 TSOP32	AT27LV512 AT27LV512A AT27LV512R
Bosh	B	58094	DIP28	B58094
Bosh	B	58127	DIP28	B58127
Bosh	B	58157	DIP28	B58157
Bosh	B	58239	DIP28 LCC32	B58239
Bosh	B	58424	DIP28	B58424
Bosh	B	58541	DIP28	B58541
Bosh	B	58542	DIP28	B58542
Bosh	B	58543	DIP28	B58543
Bosh	B	58550	LCC32	B58550
Catalyst	CAT	27512	DIP28 LCC32	CAT27512
Cypress	CY	27C512	DIP28 LCC32 TSOP28	CY27C512
Cypress	CY	27H512	DIP28 LCC32 TSOP28	CY27H512
Eon Silicon	EN	27C512	DIP28 LCC32 TSOP28	EN27C512
Eon Silicon	EN	27LV512	DIP28 LCC32 TSOP28	EN27LV512 EN27LV512B
Exodus Microel.	EM	27C512	DIP28 LCC32	EM27C512
Fairchild	FM	27C512	DIP28 LCC32	FM27C512
Fairchild	NM	27C512	DIP28 LCC32	NM27C512
Fairchild	NM	27LV512	DIP28 LCC32	NM27LV512
Fairchild	NM	27P512	DIP28 LCC32	NM27P512
Fujitsu	MBM	27C512	DIP28 LCC32	MBM27C512 MBM27C512P
General Instr.		27C512	DIP28 LCC32	27C512
Greenwich Instr.	GR	27512	DIP28	GR27512 GR27513
Hitachi	HN	27512	DIP28	HN27512 HN27512G HN27512P
Hitachi	HN	27C512	DIP28	HN27C512 HN27C512G HN27C512P
Holtek	HT	27C512	DIP28 LCC32 SOIC28	HT27C512
Holtek	HT	27LC512	DIP28 LCC32 TSOP28	HT27LC512
ICE	ICE	27C512	DIP28 LCC32 TSOP28	ICE27C512
ICE	ICE	27LC512	DIP28 LCC32 TSOP28	ICE27LC512
ICE	ICE	37C512	DIP32 LCC32 TSOP32	ICE37C512
ICE	ICE	37LC512	DIP32 LCC32 TSOP32	ICE37LC512
ICT	ICT	27CX512	DIP28	ICT27CX512 27CX512
Intel	D/I	27512	DIP28 LCC32	i27512 D27512 LD27512 MD27512 N27512 P27512 QD27512 TD27512 27512A
Intel	D/I	27C512	DIP28 LCC32	i27C512 AD27C512 AN27C512 AP27C512 D27C512 L27C512 LD27C512 MD27C512 N27C512 Q27C512 QD27C512 T27C512 TD27C512 27C512A
ISSI	IS	27C512	DIP28 LCC32 TSOP28	IS27C512
ISSI	IS	27HC512	DIP28 LCC32 TSOP28	IS27HC512
ISSI	IS	27LV512	DIP28 LCC32 TSOP28	IS27LV512
Macronix	MX	27C512	DIP28 LCC32 TSOP28	MX27C512
Macronix	MX	27L512	DIP28 LCC32 TSOP28	MX27L512
Microchip		27C512	DIP28 LCC32 SOIC28	27C512 27C512A
Microchip		27LV512	DIP28 LCC32 SOIC28 TSOP28	27LV512
Mitsubishi	M5L	27512	DIP28	M5L27512
Mitsubishi	M5M	27C512	DIP28 SOP28	M5M27C512
National	NM	27C512	DIP28 LCC32	NM27C512
National	NM	27LC512	DIP28 LCC32	NM27LC512
National	NM	27LV512	DIP28 LCC32	NM27LV512
National	NM	27P512	DIP28 LCC32	NM27P512
National	NMC	27C512	DIP28 LCC32	NMC27C512 NMC27C512A
Nec	uPD	27512	DIP28	uPD27512
Nec	uPD	27C512	DIP28 SOP28	uPD27C512
Oki	MSM	27512	DIP28	MSM27512 MSM27512AS MSM27512ZB
Oki	MSM	27C512	DIP28	MSM27C512 MSM27C512AS
Philips	NXP	27C512	DIP28	27C512 NXP27C512
Sanyo	LE	27C512	DIP28	LE27C512 LE27C512F
Signetics	S	27C512	DIP28	S27C512
Sony	CXK	27C512	DIP28	CXK27C512 CXK27C512DQ
ST Microelectronics	M	27512	DIP28	M27512
ST Microelectronics	M	27C512	DIP28 LCC32 TSOP28	M27C512
ST Microelectronics	M	27V512	DIP28 LCC32 TSOP28	M27V512
ST Microelectronics	M	27W512	DIP28 LCC32 TSOP28	M27W512
Texas Instr.	SMJ	27C512	DIP28	SMJ27C512
Texas Instr.	TMS	27C510	DIP28 LCC32	TMS27C510 TMS27PC510
Texas Instr.	TMS	27C512	DIP28 LCC32 TSOP32	TMS27C512 TMS27PC512
Texas Instr.	TMS	27LV512	DIP28 LCC32 TSOP28	TMS27LV512 TMS27LV512A
Toshiba	TC	54512	DIP28 SOIC28	TC54512A
Toshiba	TC	57512	DIP28	TC57512A
Toshiba	TMM	24512	DIP28 SOIC28	TMM24512 TMM24512A
Toshiba	TMM	27512	DIP28	TMM27512 TMM27512A
VLSI	VT	27C512	DIP28	VT27C512
WSI	WS	27C512	DIP28 LCC32	WS27C512F WS27C512L
WSI	WS	57C512	DIP28 LCC32	WS57C512F
unknown	OT	27C512	DIP28 LCC32	OT27C512

EPROM 27512 & 27C512

Size

bit	Byte	Hex organization
512Kb	64KB (65.536 byte)	10000hex8

Pinout

       SOIC20-300mil
         +---\/---+
 *OE/Vpp | 1    20| Vcc
     A15 | 2    19| ALE
     A13 | 3    18| A14
     A11 | 4    17| A12
      A9 | 5    16| A10
     AD0 | 6    15| A8
     AD2 | 7    14| AD1
     AD4 | 8    13| AD3
     AD6 | 9    12| AD5
     GND |10    11| AD7
         +--------+

       DIP28-600mil
      SOIC28-330mil
         +--\/--+
     A15 |1   28| Vcc
     A12 |2   27| A14
     A7  |3   26| A13
     A6  |4   25| A8
     A5  |5   24| A9
     A4  |6   23| A11
     A3  |7   22| *OE/Vpp
     A2  |8   21| A10
     A1  |9   20| *CE/*PGM
     A0  |10  19| O7
     O0  |11  18| O6
     O1  |12  17| O5
     O2  |13  16| O4
     GND |14  15| O3
         +------+

       DIP32-600mil
         +--\/--+
      NC |1   32| Vcc
      NC |2   31| NC
     A15 |3   30| NC
     A12 |4   29| A14
     A7  |5   28| A13
     A6  |6   27| A8
     A5  |7   26| A9
     A4  |8   25| A11
     A3  |9   24| *OE
     A2  |10  23| A10
     A1  |11  22| CE
     A0  |12  21| O7
     O0  |13  20| O6
     O1  |14  19| O5
     O2  |15  18| O4
     GND |16  17| O3
         +------+

    LCC32-450x550mil (only ICE 37x512)
+---------------------------------------+
|  5 A7   |         | 21 DQ7  |         |
|  6 A6   | 14 DQ1  | 22 *CE  | 30 NC   |
|  7 A5   | 15 DQ2  | 23 A10  | 31 NC   |
|  8 A4   | 16 GND  | 24 *OE  | 32 Vcc  |
|  9 A3   | 17 DQ3  | 25 A11  |  1 NC   |
| 10 A2   | 18 DQ4  | 26 A9   |  2 NC   |
| 11 A1   | 19 DQ5  | 27 A8   |  3 A15  |
| 12 A0   | 20 DQ6  | 28 A13  |  4 A12  |
| 13 DQ0  |         | 29 A14  |         |
+---------------------------------------+

    LCC32-450x550mil (all the others)
+-------------------------------------------+
|  5 A6   |         | 21 DQ6      |         |
|  6 A5   | 14 DQ1  | 22 DQ7      | 30 A13  |
|  7 A4   | 15 DQ2  | 23 *CE      | 31 A14  |
|  8 A3   | 16 Vss  | 24 A10      | 32 Vcc  |
|  9 A2   | 17 DU   | 25 *OE/Vpp  |  1 DU   |
| 10 A1   | 18 DQ3  | 26 NC       |  2 A15  |
| 11 A0   | 19 DQ4  | 27 A11      |  3 A12  |
| 12 NC   | 20 DQ5  | 28 A9       |  4 A7   |
| 13 DQ0  |         | 29 A8       |         |
+-------------------------------------------+

        TSOP28 Type1 8x12 (only Atmel 27x520)
         +-------------+
     A10 |22         21| A8
      NC |23         20| NC
      NC |24         19| NC
     A12 |25         18| AD1
     A13 |26         17| AD3
     ALE |27         16| AD5
     Vcc |28         15| AD7
 *OE/Vpp | 1 []      14| GND
     A15 | 2         13| AD6
     A13 | 3         12| AD4
     A11 | 4         11| AD2
      NC | 5         10| NC
      NC | 6          9| NC
      A9 | 7          8| AD0
         +-------------+

        TSOP28 Type1 8x12 (all the others)
         +-------------+
 *OE/Vpp | 1 []      28| A10
     A11 | 2         27| *CE
      A9 | 3         26| O7
      A8 | 4         25| O6
     A13 | 5         24| O5
     A14 | 6         23| O4
     Vcc | 7         22| O3
     A15 | 8         21| GND
     A12 | 9         20| O2
      A7 |10         19| O1
      A6 |11         18| O0
      A5 |12         17| A0
      A4 |13         16| A1
      A3 |14         15| A2
         +-------------+

        TSOP32 Type1 8x20
         +-------------+
     A11 | 1 []      32| *OE
      A9 | 2         31| A10
      A8 | 3         30| *CE
     A13 | 4         29| O7
     A14 | 5         28| O6
      NC | 6         27| O5
      NC | 7         26| O4
     Vcc | 8         25| O3
      NC | 9         24| GND
      NC |10         23| O2
     A15 |11         22| O1
     A12 |12         21| O0
      A7 |13         20| A0
      A6 |14         19| A1
      A5 |15         18| A2
      A4 |16         17| A3
         +-------------+

       TSSOP20-173mil
         +---\/---+
     A10 | 1    20| A8
     A12 | 2    19| AD1
     A14 | 3    18| AD3
     ALE | 4    17| AD5
     Vcc | 5    16| AD7
 *OE/Vpp | 6    15| GND
     A15 | 7    14| AD6
     A13 | 8    13| AD4
     A11 | 9    12| AD2
      A9 |10    11| AD0
         +--------+

External links

EPROM page on wikipedia

Files

• 
  27C512 Intel Datasheet
• 
  27C512 Microchip Datasheet
• 
  27C512 Philips Datasheet
• 
  27LV512 Microchip Datasheet
• 
  A276308 Datasheet
• 
  A27L6308 Datasheet
• 
  AM27512 Datasheet
• 
  AM27C512 Datasheet
• 
  AT27BV512 Datasheet
• 
  AT27C512 Datasheet
• 
  AT27C520 Datasheet
• 
  AT27LV512 Datasheet
• 
  AT27LV520 Datasheet
• 
  CXK27C512DQ Datasheet
• 
  CY27C512 Datasheet
• 
  CY27H512 Datasheet
• 
  D27512 Datasheet
• 
  EM27C512 Datasheet
• 
  EN27C512 Datasheet
• 
  EN27LV512 Datasheet
• 
  FM27C512 Datasheet
• 
  HN27512 Datasheet
• 
  HN27C512 Datasheet
• 
  HT27C512 Datasheet
• 
  HT27LC512 Datasheet
• 
  ICE27C512 Datasheet
• 
  ICE27LC512 Datasheet
• 
  ICE37C512 Datasheet
• 
  IS27C512 Datasheet
• 
  IS27HC512 Datasheet
• 
  IS27LV512 Datasheet
• 
  M5L27512 Datasheet
• 
  M27512 Datasheet
• 
  M27C512 Datasheet
• 
  M27V512 Datasheet
• 
  M27W512 Datasheet
• 
  MBM27C512 Datasheet
• 
  MSM27512 Datasheet
• 
  MX27C512 Datasheet
• 
  MX27L512 Datasheet
• 
  NM27C512 Datasheet
• 
  NM27LV512 Datasheet
• 
  NM27P512 Datasheet
• 
  NMC27C512 Datasheet
• 
  SMJ27C512 ASI Datasheet
• 
  SMJ27C512 TEXAS Datasheet
• 
  TC54512 Datasheet
• 
  TC57512 Datasheet
• 
  TMM24512 Datasheet
• 
  TMM27512 Datasheet
• 
  TMS27C510 Datasheet
• 
  TMS27C512 Datasheet
• 
  uPD27C512 Datasheet
• 
  WS27C512F Datasheet