27040

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Cross-Reference
BRAND TAG NUMBER PIN COUNT MARKINGS
AMD Am 27C040 DIP32 LCC32 Am27C040
Amic A 279308 DIP32 LCC32 TSOP32 A279308
ASI SMJ 27C040 DIP32 SMJ27C040
Atmel AT 27C040 DIP32 LCC32 SOIC32 TSOP32 AT27C040
Atmel AT 27BV040 LCC32 TSOP32 AT27BV040
Atmel AT 27LV040 DIP32 LCC32 TSOP32 AT27LV040 AT27LV040A
Cypress CY 27C040 DIP32 LCC32 TSOP32 CY27C040
Exodus Microel. EM 27C040 DIP32 EM27C040
Fairchild FM 27C040 DIP32 LCC32 FM27C040
Fairchild NM 27C040 DIP32 LCC32 NM27C040 NM27C040Q
Fairchild NM 27P040 DIP32 LCC32 NM27P040
Fujitsu MBM 27C4001 DIP32 MBM27C4001
Hitachi HN 27C4001 DIP32 TSOP32 HN27C4001 HN27C4001G
Holtek HT 27C040 DIP32 LCC32 SOIC32 HT27C040
Holtek HT 27LC040 DIP32 LCC32 SOIC32 TSOP32 HT27LC040
Intel D/I 27C040 DIP32 LCC32 i27C040 D27C040
Intel MD 27C040 DIP32 MD27C040
Intel N 27C040 LCC32 N27C040
Macronix MX 27C4000 DIP32 LCC32 SOIC32 TSOP32 MX27C4000 MX27C4000A MX27C4000PC
Macronix MX 27L4000 DIP32 LCC32 SOIC32 TSOP32 MX27L4000
Mitsubishi M5M 27401A DIP32 SOP32 M5M27401A
Mitsubishi M5M 27C401 DIP32 LCC32 M5M27C401 M5M27C401A
Micross SMJ 27C040 DIP32 SMJ27C040
National NM 27C040 DIP32 LCC32 NM27C040 NM27C040Q
Nec uPD 27C4001 DIP32 uPD27C4001
Oki MR 27V401 DIP32 SOIC32 TSOP32 MR27V401 MR27V401D MR27V401E
Oki MSM 27C401 DIP32 SOIC32 TSOP32 MSM27C401 MSM27C401CZ MSM27C401AZB
Philips NXP 27C040 DIP32 NXP27C040
Rohm Semi ZR 040 DIP32 ZR040P
Signetics S 27C040 DIP32 S27C040
Sony CXK 27C4001 DIP32 CXK27C4001
ST Microelectronics M 27V401 DIP32 LCC32 TSOP32 M27V401
ST Microelectronics M 27W401 DIP32 LCC32 TSOP32 M27W401
ST Microelectronics M 27C405 DIP32 LCC32 TSOP32 M27C405
ST Microelectronics M 27V405 DIP32 LCC32 TSOP32 M27V405
ST Microelectronics M 23C4001 DIP32 M23C4001
ST Microelectronics M 27C4001 DIP32 LCC32 TSOP32 M27C4001
Texas Instr. SMJ 27C040 DIP32 SMJ27C040
Texas Instr. TMS 27C040 DIP32 LCC32 TMS27C040 TMS27PC040
Toshiba TC 544000 DIP32 SOP32 TC544000 TC544000A
Toshiba TC 544001 DIP32 TC544001
Toshiba TC 574000 DIP32 TC574000 TC574000A
Winbond W 27C040 DIP32 LCC32 SOIC32 TSOP32 W27C040
Winbond W 27E040 DIP32 LCC32 W27E040
WSI WS 27C040 DIP32 WS27C040L
WSI WS 57C040 DIP32 LCC32 WS57C040F
unknown OT 27C040 DIP32 LCC32 OT27C040

EPROM 27040 & 27C040

Contents

Size

bit Byte Hex organization
4Mb 512KB (524.288 byte) 80000hex8

Pinout

       DIP32-600mil
      SOIC32-450mil
         +--\/--+
     Vpp |1   32| Vcc
     A16 |2   31| A18
     A15 |3   30| A17
     A12 |4   29| A14
     A7  |5   28| A13
     A6  |6   27| A8
     A5  |7   26| A9
     A4  |8   25| A11
     A3  |9   24| *OE/Vpp
     A2  |10  23| A10
     A1  |11  22| *CE/*PGM
     A0  |12  21| O7
     O0  |13  20| 06
     O1  |14  19| O5
     O2  |15  18| O4
     GND |16  17| O3
         +------+

              LCC32-450x550mil
+--------------------------------------------+
|  5 A7   |         | 21 DQ7       |         |
|  6 A6   | 14 DQ1  | 22 *CE/*PGM  | 30 A17  |
|  7 A5   | 15 DQ2  | 23 A10       | 31 A18  |
|  8 A4   | 16 Vss  | 24 *OE       | 32 Vcc  |
|  9 A3   | 17 DQ3  | 25 A11       |  1 Vpp  |
| 10 A2   | 18 DQ4  | 26 A9        |  2 A16  |
| 11 A1   | 19 DQ5  | 27 A8        |  3 A15  |
| 12 A0   | 20 DQ6  | 28 A13       |  4 A12  |
| 13 DQ0  |         | 29 A14       |         |
+--------------------------------------------+

        TSOP32 Type1 8x20
         +-------------+
     A11 | 1 []      32| *OE
      A9 | 2         31| A10
      A8 | 3         30| *CE
     A13 | 4         29| O7
     A14 | 5         28| O6
     A17 | 6         27| O5
     A18 | 7         26| O4
     Vcc | 8         25| O3
     Vpp | 9         24| GND
     A16 |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
         +-------------+

External links

EPROM page on wikipedia

Files

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