27020

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Cross-Reference
BRAND TAG NUMBER PIN COUNT MARKINGS
AMD Am 27C020 DIP32 LCC32 Am27C020
AMD Am 27H020 DIP32 LCC32 Am27H020
AMD Am 27HB020 DIP32 LCC32 Am27HB020
AMD Am 27LV020 DIP32 LCC32 TSOP32 Am27LV020 Am27C020B
AMD Am 27C200 DIP32 Am27C200
Amic A 278308 DIP32 LCC32 A278308 A278308
Amic A 27L8308 DIP32 LCC32 A27L8308
ASI SMJ 27C020 DIP32 SMJ27C020 SMJ27C020A
Atmel AT 27BV020 DIP32 LCC32 TSOP32 AT27BV020
Atmel AT 27C020 DIP32 LCC32 TSOP32 AT27C020 AT27C020L
Atmel AT 27LV020 DIP32 LCC32 TSOP32 AT27LV020 AT27LV020A
Bosh B 58517 LCC32 B58517
Catalyst CAT 27C020 DIP32 LCC32 CAT27C020
Catalyst CAT 27HC020 DIP32 LCC32 CAT27HC020
Cypress CY 27C020 DIP32 LCC32 TSOP32 CY27C020
Cypress CY 27H020 DIP32 LCC32 TSOP32 CY27H020
Eon Silicon EN 27C020 DIP32 LCC32 TSOP32 EN27C020
Eon Silicon EN 27LV020 DIP32 LCC32 TSOP32 EN27LV020 EN27LV020B
Exodus Microel. EM 27C020 DIP32 EM27C020
Fairchild FM 27C020 DIP32 LCC32 FM27C020
Fairchild FM 27LV020 DIP32 LCC32 FM27LV020
Fairchild NM 27C020 DIP32 LCC32 TSOP32 NM27C020
Fairchild NM 27LV020 DIP32 LCC32 TSOP32 NM27LV020 NM27LV020B
Fujitsu MBM 27C2000 DIP32 MBM27C2000
Fujitsu MBM 27C2001 DIP32 MBM27C2001 MBM27C2001A
Greenwich Instr. GR 27020 DIP32 GR27020
Hitachi HN 27C201 DIP32 SOIC32 HN27C201 HN27C201A HN27C201AG
HN27C201AP HN27C201G HN27C201P
Holtek HT 27C020 DIP32 LCC32 SOIC32 HT27C020
Holtek HT 27LC020 DIP32 LCC32 SOIC32 TSOP32 HT27LC020
ICE ICE 27C020 DIP32 LCC32 TSOP32 ICE27C020
ICE ICE 27LC020 DIP32 LCC32 TSOP32 ICE27LC020
ICT ICT 27CX020 DIP32 ICT27CX020 27CX020
Intel D/I 27C020 DIP32 LCC32 i27C020 D27C020 LC27C020 LD27C020
P27C020 QC27C020 QD27C020 TC27C020
TD27C020 AD27C020 AN27C020 AP27C020
MD27C020 N27C020 TN27C020 27C020A
ISSI IS 27C020 DIP32 LCC32 TSOP32 IS27C020
ISSI IS 27HC020 DIP32 LCC32 TSOP32 IS27HC020
ISSI IS 27LV020 DIP32 LCC32 TSOP32 IS27LV020
Macronix MX 27C2000 DIP32 LCC32 SOIC32 TSOP32 MX27C2000 MX27C2000A
Macronix MX 27C2001 DIP32 SOIC32 MX27C2001
Macronix MX 27L2000 DIP32 LCC32 SOIC32 TSOP32 MX27L2000
Mitsubishi M5M 27C200 DIP32 LCC32 SOP32 VSOP40 M5M27C200
Mitsubishi M5M 27C201 DIP32 LCC32 SOP32 TSOP40 M5M27C201
National NM 27C020 DIP32 LCC32 TSOP32 NM27C020
National NM 27LV020 DIP32 LCC32 TSOP32 NM27LV020 NM27LV020B
National NMC 27C020 DIP32 LCC32 NMC27C020
Nec uPD 23C2000 DIP32 uPD23C2000 uPD23C2000A
Nec uPD 27C2000 DIP32 uPD27C2000 uPD27C2000A
Nec uPD 27C2001 DIP32 SOIC32 uPD27C2001 uPD27C2001A
Oki MSM 272000 DIP32 MSM272000 MSM272000ZB
Oki MSM 27C201 DIP32 SOIC32 TSOP32 MSM27C201 MSM27C201H MSM27C201ZB
Oki MSM 27C221 DIP32 SOIC32 TSOP32 MSM27C221 MSM27C221ZB
Oki MSM 27C231 DIP32 SOIC32 TSOP32 MSM27C231 MSM27C231ZB
Omni-Wave OW 27C201 DIP32 LCC32 OW27C201
Philips NXP 27C020 DIP32 27C020 NXP27C020
Signetics S 27C020 DIP32 S27C020
Sony CXK 27C2000 DIP32 CXK27C2000 CXK27C2000DQ
Sony CXK 27C2001 DIP32 CXK27C2001 CXK27C2001DQ
ST Microelectronics M 23C2001 DIP32 M23C2001
ST Microelectronics M 27C2000 DIP32 LCC32 M27C2000
ST Microelectronics M 27C2001 DIP32 LCC32 TSOP32 M27C2001
ST Microelectronics M 27V201 DIP32 LCC32 TSOP32 M27V201
ST Microelectronics M 27W201 DIP32 LCC32 TSOP32 M27W201
Texas Instr. SMJ 27C020 DIP32 LCC32 SMJ27C020
Texas Instr. TMS 27C020 DIP32 LCC32 TSOP32 TMS27C020 TMS27PC020 TMS27C020A TMS27PC020A
Texas Instr. TMS 27LV020 DIP32 LCC32 TSOP32 TMS27LV020 TMS27LV020A
Toshiba TC 572000 DIP32 SOIC32 TC572000 TC572000A
Toshiba TC 57H2000 DIP32 SOIC32 TC57H2000 TC57H2000A
WSI WS 27C020 DIP32 LCC32 WS27C020F WS27C020L
WSI WS 57C020 DIP32 LCC32 WS57C020F
unknown OT 27C020 DIP32 LCC32 OT27C020

EPROM 27020 & 27C020

Contents

Size

bit Byte Hex organization
2Mb 256KB (262.144 byte) 40000hex8

Pinout

       DIP32-600mil
      SOIC32-450mil
         +--\/--+
     Vpp |1   32| Vcc
     A16 |2   31| *PGM
     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
     A2  |10  23| A10
     A1  |11  22| *CE
     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  | 30 A17   |
|  7 A5   | 15 DQ2  | 23 A10  | 31 *PGM  |
|  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
    *PGM | 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
         +-------------+

        TSOP40 Type1 10x14
         +-------------+
      NC | 1 []      40| NC
      NC | 2         39| NC
     A11 | 3         38| *OE
      A9 | 4         37| A10
      A8 | 5         36| *CE
     A13 | 6         35| O7
     A14 | 7         34| O6
     A17 | 8         33| O5
    *PGM | 9         32| O4
     Vcc |10         31| O3
     Vpp |11         30| GND
     A16 |12         29| O2
     A15 |13         28| O1
     A12 |14         27| O0
      A7 |15         26| A0
      A6 |16         25| A1
      A5 |17         24| A2
      A4 |18         23| A3
      NC |19         22| NC
      NC |20         21| NC
         +-------------+

External links

EPROM page on wikipedia

Files

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