27128

Cross-Reference

BRAND	TAG	NUMBER	PIN COUNT	MARKINGS
AMD	Am	27128	DIP28 LCC32	Am27128 Am27128A
AMD	Am	27C128	DIP28 LCC32	Am27C128
AMD	DS	41300	DIP28	DS41300
Atmel	AT	27C128	DIP28 LCC32	AT27C128
Bosh	B	57607	DIP28	B57607
Bosh	B	57610	DIP28	B57610
Catalyst	CAT	27128	DIP28	CAT27128 CAT27128A
Cypress	CY	27C128	DIP28 LCC32	CY27C128
Cypress	CY	7C251	DIP28-300mil	CY7C251
Cypress	CY	7C254	DIP28	CY7C254
Fairchild	NM	27C128	DIP28 LCC32	NM27C128
Fairchild	NM	27CP128	DIP28	NM27CP128
Fujitsu	MBM	27128	DIP28	MBM27128
Fujitsu	MBM	27C128	DIP28 LCC32	MBM27C128 MBM27C128P
General Instr.		27C128	DIP28	27C128
Greenwich Instr.	GR	27128	DIP28	GR27128
Hitachi	HN	27128	DIP28	HN27128 HN27128G HN27128P HN27128A HN27128AG HN27128AP
Hitachi	HN	27C128	DIP28	HN27C128 HN27C128G
Hitachi	HN	4827128	DIP28	HN4827128 HN4827128G HN4827128P
Intel	D/I	27128	DIP28 LCC32	27128 27128A 27128B C27128 D27128 D27128A D27128B P27128A P27128B LD27128 LD27128A MD27128A N27128A QD27128 QD27128A TD27128 TD27127A
Intel	D/I	27C128	DIP28 LCC32	27C128 AD27C128 AN27C128 AP27C128 D27C128 LD27C128 N27C128 P27C128 QD27C128 TD27C128 TN27C128 TP27C128
Matsushita		27128	DIP28	27128
Microchip		27C128	DIP28 LCC32 SOIC28	27C128
Microchip		27HC128	DIP28 LCC32 SOIC28	27HC128
Mitsubishi	M5L	27128	DIP28	M5L27128
Mitsubishi	M5L	27C128	DIP28	M5L27C128
Mitsubishi	M5M	27C128	DIP28 SOP28	M5M27C128
National	NM	27C128	DIP28 LCC32	NM27C128
National	NMC	27C128	DIP28	NMC27C128 NMC27C128B NMC27C128C NMC27CP128
Nec	uPD	27128	DIP28	uPD27128
Nec	uPD	27C128	DIP28	uPD27C128 uPD27C128A
NTE	NTE	21128	DIP28	NTE21128
Oki	MSM	27128	DIP28	MSM27128 MSM27128A MSM27128AS MSM27128AZB
Oki	MSM	27C128	DIP28	MSM27C128 MSM27C128AS
Philips	NXP	27C128	DIP28	27C128 NXP27C128
Quick Pulse	QP	27128	DIP28	27128 QP27128
Quick Pulse	QP	27C128	DIP28 LCC32	27C128 QP27C128
SEEQ	DQ	82025	DIP28	82025 DQ82025
SEEQ	DQ	27128	DIP28	27128 DQ27128
Sharp	LH	57126	DIP28	LH57126
Signetics	S	27HC128	DIP28	S27HC128
SMOS	SPM	27128	DIP28	SPM27128 SPM27128H
ST Microelectronics	M	27128	DIP28	M27128 M27128A
ST Microelectronics	M	27C128	DIP28	M27C128 M27C128A M27C128B
ST Microelectronics	ST	27128	DIP28	ST27128 ST27128A
Texas Instr.	SMJ	27C128	DIP28	SMJ27C128
Texas Instr.	TMS	27128	DIP28	TMS27128
Texas Instr.	TMS	27C128	DIP28	TMS27C128
Texas Instr.	TMS	27PC128	DIP28 LCC32	TMS27PC128
Toshiba	TMM	24128	DIP28 SOIC28	TMM24128 TMM24128A
Toshiba	TMM	27128	DIP28	TMM27128 TMM27128A
VLSI	VT	27C128	DIP28	VT27C128
WSI	WS	27C128	DIP28 LCC32	WS27C128F WS27C128L
WSI	WS	57C128	DIP28 LCC32	WS57C128F WS57C128FB

EPROM 27128 & 27C128

Size

bit	Byte	Hex organization
128Kb	16KB (16.384 byte)	4000hex8

Pinout

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

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

External links

EPROM page on wikipedia

Files

• 
  27128 Intel Datasheet
• 
  27C128 Microchip Datasheet
• 
  AM27128 Datasheet
• 
  AM27C128 Datasheet
• 
  AT27C128 Datasheet
• 
  CY7C251 Datasheet
• 
  CY27C128 Datasheet
• 
  HN27128 Datasheet
• 
  HN4827128 Datasheet
• 
  LH57126 Datasheet
• 
  M5L27128 Datasheet
• 
  M5M27C128 Datasheet
• 
  M27128 Intel Datasheet
• 
  M27128 ST Datasheet
• 
  M27C128 Datasheet
• 
  MBM27128 Datasheet
• 
  MSM27C128 Datasheet
• 
  NM27C128 Fairchild Datasheet
• 
  NM27C128 National Datasheet
• 
  NTE21128 Datasheet
• 
  QP27C128 Datasheet
• 
  S27HC128 Datasheet
• 
  SMJ27C128 Datasheet
• 
  TMM24128 Datasheet
• 
  TMM27128 Datasheet
• TMM27C128 Datasheet
  TMM27C128 Datasheet
• 
  TMS27128 Datasheet
• uPD27C128 Datasheet
  uPD27C128 Datasheet
• W27C128F Datasheet
  W27C128F Datasheet
• W57C128F Datasheet
  W57C128F Datasheet