27256: Difference between revisions
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|Cypress || CY || 27C256 || DIP28-600mil LCC32 TSOP28 TSOP32 || CY27C256 CY27C256A CY27C256T | |Cypress || CY || 27C256 || DIP28-600mil LCC32 TSOP28 TSOP32 || CY27C256 CY27C256A CY27C256T | ||
|- | |- | ||
|Cypress || CY || 27H256 || DIP28- | |Cypress || CY || 27H256 || DIP28-300mil DIP28-600mil LCC32 TSOP28 || CY27H256 | ||
|- | |- | ||
|Cypress || CY || 7C271 || DIP28-300mil LCC32 || CY7C271 CY7C271A | |Cypress || CY || 7C271 || DIP28-300mil LCC32 || CY7C271 CY7C271A | ||
| Line 103: | Line 103: | ||
|Mitsubishi|| M5L || 27256 || DIP28-600mil || M5L27256 M5L27256K | |Mitsubishi|| M5L || 27256 || DIP28-600mil || M5L27256 M5L27256K | ||
|- | |- | ||
|Mitsubishi|| M5M || 27C256 || DIP28-600mil | |Mitsubishi|| M5M || 27C256 || DIP28-600mil SOIC28 TSOP28 || M5M27C256 M5M27C256A M5M27C256AK M5M27C256K | ||
|- | |- | ||
|National || NM || 27C256 || DIP28-600mil LCC32 || NM27C256 | |National || NM || 27C256 || DIP28-600mil LCC32 || NM27C256 | ||
| Line 115: | Line 115: | ||
|Nec || uPD || 27256 || DIP28-600mil || uPD27256 uPD27256A | |Nec || uPD || 27256 || DIP28-600mil || uPD27256 uPD27256A | ||
|- | |- | ||
|Nec || uPD || 27C256 || DIP28-600mil | |Nec || uPD || 27C256 || DIP28-600mil SOIC28 || uPD27C256 uPD27C256A | ||
|- | |- | ||
|Oki || MSM || 27256 || DIP28-600mil || MSM27256 MSM27256A MSM27256HZB<br>MSM27256ZB MSM27256ZC | |Oki || MSM || 27256 || DIP28-600mil || MSM27256 MSM27256A MSM27256HZB<br>MSM27256ZB MSM27256ZC | ||
| Line 333: | Line 333: | ||
File:m5m27c256k.pdf|M5M27C256K Datasheet | File:m5m27c256k.pdf|M5M27C256K Datasheet | ||
File:m27256.pdf|M27256 Datasheet | File:m27256.pdf|M27256 Datasheet | ||
File: | File:m27c256b.pdf|M27C256B Datasheet | ||
File:m27v256.pdf|M27V256 Datasheet | File:m27v256.pdf|M27V256 Datasheet | ||
File:m27w256.pdf|M27W256 Datasheet | File:m27w256.pdf|M27W256 Datasheet | ||
| Line 353: | Line 353: | ||
File:nxp27c256.pdf|NXP27C256 Datasheet | File:nxp27c256.pdf|NXP27C256 Datasheet | ||
File:qp27c256.pdf|QP27LV256 Datasheet | File:qp27c256.pdf|QP27LV256 Datasheet | ||
File:s27c256. | File:s27c256.pdf|S27C256 Datasheet | ||
File:seeq27c256. | File:seeq27c256.pdf|SEEQ 27C256 Datasheet | ||
File:seeqm27c256. | File:seeqm27c256.pdf|SEEQ M27C256 Datasheet | ||
File:smj27c256-asi.pdf|SMJ27C256 ASI Datasheet | File:smj27c256-asi.pdf|SMJ27C256 ASI Datasheet | ||
File:smj27c256-ti.pdf|SMJ27C256 TEXAS Datasheet | File:smj27c256-ti.pdf|SMJ27C256 TEXAS Datasheet | ||
Latest revision as of 15:21, 18 December 2017
| BRAND | TAG | NUMBER | PIN COUNT | MARKINGS |
|---|---|---|---|---|
| AMD | Am | 27256 | DIP28-600mil LCC32 | Am27256 Am27256HV |
| AMD | Am | 27C256 | DIP28-600mil LCC32 | Am27C256 |
| AMD | Am | 27H256 | DIP28-600mil LCC32 | Am27H256 |
| AMD | Am | 27P256 | DIP28-600mil LCC32 | Am27P256 |
| Amic | A | 275308 | DIP28-600mil LCC32 | A275308 A275308L |
| ASI | SMJ | 27C256 | DIP28-600mil | SMJ27C256 |
| Atmel | AT | 27256 | DIP28-600mil LCC32 | AT27256 |
| Atmel | AT | 27BV256 | DIP28-600mil LCC32 SOIC28 TSOP28 | AT27BV256 |
| Atmel | AT | 27C256 | DIP28-600mil LCC32 | AT27C256 AT27C256R |
| Atmel | AT | 27HC256 | DIP28-600mil LCC32 | AT27HC256 AT27HC256L AT27HC256R |
| Atmel | AT | 29C256 | DIP28-600mil LCC32 SOIC28 TSOP28 | AT29C256 |
| Atmel | AT | 27LV256 | DIP28-600mil LCC32 SOIC28 TSOP32 | AT27LV256 AT27LV256A AT27LV256R |
| Bosh | B | 57605 | DIP28-600mil | B57605 B57654 B57696 B57701 B57764 B57808 B57922 B57960 B57995 |
| Bosh | B | 58014 | DIP28-600mil | B58014 B58038 B58150 B58185 B58234 B58235 B58539 B58545 |
| Catalyst | CAT | 27256 | DIP28-600mil LCC32 | CAT27256 |
| Catalyst | CAT | 27HC256 | DIP28-600mil LCC32 | CAT27HC256 CAT27HC256L |
| Cypress | CY | 27C256 | DIP28-600mil LCC32 TSOP28 TSOP32 | CY27C256 CY27C256A CY27C256T |
| Cypress | CY | 27H256 | DIP28-300mil DIP28-600mil LCC32 TSOP28 | CY27H256 |
| Cypress | CY | 7C271 | DIP28-300mil LCC32 | CY7C271 CY7C271A |
| Cypress | CY | 7C274 | DIP28-600mil LCC32 | CY7C274 |
| Exodus Microel. | EM | 27C256 | DIP28-600mil | EM27C256 |
| Fairchild | FM | 27C256 | DIP28-600mil LCC32 | FM27C256 |
| Fairchild | NM | 27C256 | DIP28-600mil | NM27C256 NM27C256B NM27LC256 |
| Fairchild | NM | 87C257 | DIP28-600mil LCC32 | NM87C257 |
| Fujitsu | MBM | 27256 | DIP28-600mil LCC32 | MBM27256 |
| Fujitsu | MBM | 27C256 | DIP28-600mil SOIC28 LCC32 | MBM27C256 MBM27C256A MBM27C256AP MBM27C256H |
| General Instr. | 27256 | DIP28-600mil | 27256 | |
| General Instr. | 27C256 | DIP28-600mil LCC32 | 27C256 | |
| Greenwich Instr. | GR | 27256 | DIP28-600mil | GR27256 |
| Hitachi | HN | 27256 | DIP28-600mil | HN27256 HN27256G HN27256P |
| Hitachi | HN | 27C256 | DIP28-600mil SOIC28 | HN27C256 HN27C256A HN27C256AG HN27C256AP HN27C256G HN27C256H HN27C256HG HN27C256HP HN27C256P |
| Honeywell | E | 27C256 | LCC32 | 4055857 TT E27C256 |
| ICT | ICT | 27CX256 | DIP28-600mil LCC32 | ICT27CX256 27CX256 |
| Intel | D/I | 27256 | DIP28-600mil | i27256 D27256 LD27256 MD27256 P27256 QD27256 TD27256 27256A |
| Intel | D/I | 27C256 | DIP28-600mil LCC32 TSOP32 | i27C256 AD27C256 AN27C256 AP27C256 D27C256 L27C256 LD27C256 MD27C256 N27C256 P27C256 QD27C256 T27C256 TD27C256 TN27C256 TP27C256 27C256A |
| Intel | D/I | 68C257 | DIP28-600mil LCC32 | i68C257 A68C257 |
| Intel | D/I | 87C257 | DIP28-600mil LCC32 | i87C257 AD87C257 AN87C257 BD87C257 D87C257 LD87C257 LN87C257 QN87C257 T87C257 |
| ISSI | IS | 27C256 | DIP28-600mil LCC32 TSOP28 | IS27C256 |
| ISSI | IS | 27DV256 | DIP28-600mil LCC32 TSOP28 | IS27DV256 |
| ISSI | IS | 27HC256 | DIP28-600mil LCC32 TSOP28 | IS27HC256 |
| ISSI | IS | 27LV256 | DIP28-600mil LCC32 TSOP28 | IS27LV256 |
| Macronix | MX | 27C256 | DIP28-600mil LCC32 TSOP28 | MX27C256 |
| Macronix | MX | 27L256 | DIP28-600mil LCC32 TSOP28 | MX27L256 |
| Microchip | 27256 | DIP28-600mil LCC32 | 27256 | |
| Microchip | 27C256 | DIP28-600mil LCC32 SOIC28 | 27C256 27C256A | |
| Microchip | 27HC256 | DIP28-600mil LCC32 SOIC28 TSOP28 | 27HC256 | |
| Microchip | 27LV256 | DIP28-600mil LCC32 SOIC28 | 27LV256 | |
| Mitsubishi | M5L | 27256 | DIP28-600mil | M5L27256 M5L27256K |
| Mitsubishi | M5M | 27C256 | DIP28-600mil SOIC28 TSOP28 | M5M27C256 M5M27C256A M5M27C256AK M5M27C256K |
| National | NM | 27C256 | DIP28-600mil LCC32 | NM27C256 |
| National | NM | 27LC256 | DIP28-600mil LCC32 | NM27LC256 |
| National | NMC | 27C256 | DIP28-600mil LCC32 | NMC27C256 NMC27C256B |
| National | NMC | 87C257 | DIP28-600mil LCC32 | NMC87C257 |
| Nec | uPD | 27256 | DIP28-600mil | uPD27256 uPD27256A |
| Nec | uPD | 27C256 | DIP28-600mil SOIC28 | uPD27C256 uPD27C256A |
| Oki | MSM | 27256 | DIP28-600mil | MSM27256 MSM27256A MSM27256HZB MSM27256ZB MSM27256ZC |
| Oki | MSM | 27C256 | DIP28-600mil LLC32 | MSM27C256 MSM27C256H MSM27C256HZB MSM27C256ZB |
| Omni-Wave | OW | 27C256 | DIP28-600mil LLC32 | OW27C256 |
| Panatech | RD | 27C256 | DIP28-600mil | RD27C256 |
| Philips | NXP | 27C256 | DIP28-600mil LLC32 | 27C256 NXP27C256 |
| QP Semiconductor | QP | 27C256 | DIP28-600mil LLC32 | QP27C256 |
| Ricoh | RD | 27C256 | DIP28-600mil LLC32 | RD27C256 |
| SEEQ | 82063 | DIP28-600mil | 82063 86063 | |
| SEEQ | DQ | 27256 | DIP28-600mil | DQ27256 |
| SEEQ | DQ | 27C256 | DIP28-600mil LLC32 | DQ27C256 E27C256 LE27C256 M27C256 |
| ST Microelectronics | M | 27256 | DIP28-600mil | M27256 |
| ST Microelectronics | M | 27C256 | DIP28-600mil LCC32 TSOP28 | M27C256 M27C256B |
| ST Microelectronics | M | 27V256 | DIP28-600mil LCC32 TSOP28 | M27V256 |
| ST Microelectronics | M | 27W256 | DIP28-600mil LCC32 TSOP28 | M27W256 |
| Signetics | S | 27C256 | DIP28-600mil LCC32 | S27C256 |
| SMOS | SPM | 27C256 | DIP28-600mil | SPM27C256 SPM27C256H |
| Sony | CXK | 27C256 | DIP28-600mil | CXK27C256 CXK27C256DQ |
| Sperry | E | 27C256 | LCC32 | 4055857 TT E27C256 |
| Texas Instr. | SMJ | 27C256 | DIP28-600mil | SMJ27C256 |
| Texas Instr. | TMS | 27C256 | DIP28-600mil LCC32 | TMS27C256 TMS27PC256 |
| Texas Instr. | TMS | 87C257 | DIP28-600mil | TMS87C257 |
| Toshiba | TC | 24256 | DIP28-600mil | TC24256 |
| Toshiba | TC | 54256 | DIP28-600mil SOIC28 | TC54256A |
| Toshiba | TC | 57256 | DIP28-600mil | TC57256 TC57256A TC57256AD TC57H256 |
| Toshiba | TMM | 24256 | DIP28-600mil SOIC28 | TMM24256 TMM24256A TMM24256AF TMM24256AP TMM24256B |
| Toshiba | TMM | 27256 | DIP28-600mil | TMM27256 TMM27256A TMM27256B TMM27256D |
| USSR | K573 | RF7 | DIP28 | K573RF7 K573RF8 |
| USSR | K1626 | RF3 | DIP28 | K1626RF3 |
| VLSI | VT | 27C256 | DIP28-600mil | VT27C256 |
| WSI | WS | 27C256 | DIP28-600mil LCC32 | WS27C256F WS27C256L |
| WSI | WS | 57C71 | DIP28-600mil LCC32 | WS57C71C |
EPROM 27256 & 27C256
Size
| bit | Byte | Hex organization |
|---|---|---|
| 256Kb | 32KB (32.768 byte) | 8000hex8 |
Pinout
DIP28-300mil (all the others)
DIP28-600mil
SOIC28-330mil
+--\/--+
Vpp |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
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
+------+
DIP28-300mil (only CY7C271)
+--\/--+
A9 |1 28| Vcc
A8 |2 27| A10
A7 |3 26| A11
A6 |4 25| A12
A5 |5 24| A13
A4 |6 23| A14
A3 |7 22| *CS1
A2 |8 21| CS2
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 (all the others)
+-------------------------------------------+
| 5 A6 | | 21 DQ6 | |
| 6 A5 | 14 DQ1 | 22 DQ7 | 30 A13 |
| 7 A4 | 15 DQ2 | 23 *CE/*PGM | 31 A14 |
| 8 A3 | 16 GND | 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 | |
+-------------------------------------------+
LCC32-450x550mil (only CY7C271)
+----------------------------------------+
| 5 A6 | | 21 DQ6 | |
| 6 A5 | 14 DQ1 | 22 DQ7 | 30 A13 |
| 7 A4 | 15 DQ2 | 23 *CE | 31 A14 |
| 8 A3 | 16 GND | 24 CS2 | 32 Vcc |
| 9 A2 | 17 NC | 25 *CS1 | 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 | |
+----------------------------------------+
TSOP28 Type1 8x12 (only AT27BV256)
+-------------+
*OE |22 21| A10
A11 |23 20| *CE
A9 |24 19| O7
A8 |25 18| O6
A13 |26 17| O5
A14 |27 16| O4
Vcc |28 15| O3
*WE/Vpp | 1 [] 14| GND
A12 | 2 13| O2
A7 | 3 12| O1
A6 | 4 11| O0
A5 | 5 10| A0
A4 | 6 9| A1
A3 | 7 8| A2
+-------------+
TSOP32 Type1 8x20
+-------------+
*OE | 1 [] 32| NC
A11 | 2 31| A10
A9 | 3 30| *CE
A8 | 4 29| O7
A13 | 5 28| O6
NC | 6 27| O5
A14 | 7 26| O4
Vcc | 8 25| O3
Vpp | 9 24| GND
NC |10 23| O2
A12 |11 22| O1
A7 |12 21| O0
A6 |13 20| NC
A5 |14 19| A0
A4 |15 18| A1
A3 |16 17| A2
+-------------+
External links
Files
-
A68C257 Datasheet -
A275308 Datasheet
-
AM27256 Datasheet
-
AM27C256 Datasheet
-
AM27H256 Datasheet
-
AT27BV256 Datasheet
-
AT27256 Datasheet
-
AT27C256 Datasheet
-
AT27LV256A Datasheet
-
AT29C256 Datasheet
-
CAT27256 Datasheet
-
CXK27C256 Datasheet
-
CY7C271-274 Datasheet
-
CY7C291A Datasheet
-
CY7C292 Datasheet
-
CY7C293A Datasheet
-
CY27C256 Datasheet
-
CY27H256 Datasheet
-
D27256 Datasheet
-
D27C256 Datasheet
-
EM27C256 Datasheet
-
FM27C256 Datasheet
-
HN27C256A Datasheet
-
HN27C256AG Datasheet
-
IS27C256 Datasheet
-
IS27DV256 Datasheet
-
IS27HC256 Datasheet
-
IS27LV256 Datasheet
-
M5L27256 Datasheet
-
M5M27C256K Datasheet
-
M27256 Datasheet
-
M27C256B Datasheet
-
M27V256 Datasheet
-
M27W256 Datasheet
-
MBM27256 Datasheet
-
MBM27C256 Datasheet
-
MC27C256 Datasheet
-
MC27HC256 Datasheet
-
MC27LV256 Datasheet
-
MSM27256 Datasheet
-
MSM27C256 Datasheet
-
MX27C256 Datasheet
-
MX27L256 Datasheet
-
NM27C256 Fairchild Datasheet
-
NM27C256 National Datasheet
-
NM27LC256 Fairchild Datasheet
-
NM27LC256 National Datasheet
-
NMC27C256 Datasheet
-
NMC87C257 Datasheet
-
NXP27C256 Datasheet
-
QP27LV256 Datasheet
-
S27C256 Datasheet
-
SEEQ 27C256 Datasheet
-
SEEQ M27C256 Datasheet
-
SMJ27C256 ASI Datasheet
-
SMJ27C256 TEXAS Datasheet
-
SPM27C256 Datasheet
-
TC54256 Datasheet
-
TC57256 Datasheet
-
TMM24256A Datasheet
-
TMM27256 Datasheet
-
TMS27C/PC256 Datasheet
-
TMS87C257 Datasheet
-
uPD27256 Datasheet
-
uPD27C256 Datasheet
-
WS27C256 Datasheet
-
WS57C71C Datasheet
