M28256-20WKA1
vs
MX27C4100MC-90
feature comparison
| Rohs Code |
Yes
|
No
|
| Part Life Cycle Code |
Obsolete
|
Obsolete
|
| Ihs Manufacturer |
STMICROELECTRONICS
|
MACRONIX INTERNATIONAL CO LTD
|
| Part Package Code |
QFJ
|
SOIC
|
| Package Description |
QCCJ, LDCC32,.5X.6
|
SOP, SOP40,.56
|
| Pin Count |
32
|
40
|
| Reach Compliance Code |
compliant
|
unknown
|
| ECCN Code |
EAR99
|
EAR99
|
| HTS Code |
8542.32.00.51
|
8542.32.00.71
|
| Access Time-Max |
200 ns
|
90 ns
|
| Command User Interface |
NO
|
|
| Data Polling |
YES
|
|
| Endurance |
100000 Write/Erase Cycles
|
|
| JESD-30 Code |
R-PQCC-J32
|
R-PDSO-G40
|
| JESD-609 Code |
e3
|
e0
|
| Length |
13.995 mm
|
|
| Memory Density |
262144 bit
|
4194304 bit
|
| Memory IC Type |
EEPROM
|
OTP ROM
|
| Memory Width |
8
|
8
|
| Number of Functions |
1
|
1
|
| Number of Terminals |
32
|
40
|
| Number of Words |
32768 words
|
524288 words
|
| Number of Words Code |
32000
|
512000
|
| Operating Mode |
ASYNCHRONOUS
|
ASYNCHRONOUS
|
| Operating Temperature-Max |
70 °C
|
55 °C
|
| Operating Temperature-Min |
|
|
| Organization |
32KX8
|
512KX8
|
| Output Characteristics |
3-STATE
|
3-STATE
|
| Package Body Material |
PLASTIC/EPOXY
|
PLASTIC/EPOXY
|
| Package Code |
QCCJ
|
SOP
|
| Package Equivalence Code |
LDCC32,.5X.6
|
SOP40,.56
|
| Package Shape |
RECTANGULAR
|
RECTANGULAR
|
| Package Style |
CHIP CARRIER
|
SMALL OUTLINE
|
| Page Size |
64 words
|
|
| Parallel/Serial |
PARALLEL
|
PARALLEL
|
| Programming Voltage |
3 V
|
|
| Qualification Status |
Not Qualified
|
Not Qualified
|
| Seated Height-Max |
3.56 mm
|
2.54 mm
|
| Standby Current-Max |
0.00002 A
|
0.0001 A
|
| Supply Current-Max |
0.015 mA
|
0.06 mA
|
| Supply Voltage-Max (Vsup) |
3.6 V
|
5.25 V
|
| Supply Voltage-Min (Vsup) |
2.7 V
|
4.75 V
|
| Supply Voltage-Nom (Vsup) |
3 V
|
5 V
|
| Surface Mount |
YES
|
YES
|
| Technology |
CMOS
|
CMOS
|
| Temperature Grade |
COMMERCIAL
|
COMMERCIAL
|
| Terminal Finish |
MATTE TIN
|
TIN LEAD
|
| Terminal Form |
J BEND
|
GULL WING
|
| Terminal Pitch |
1.27 mm
|
1.27 mm
|
| Terminal Position |
QUAD
|
DUAL
|
| Toggle Bit |
YES
|
|
| Width |
11.455 mm
|
11.18 mm
|
| Write Cycle Time-Max (tWC) |
5 ms
|
|
| Base Number Matches |
1
|
1
|
| Pbfree Code |
|
No
|
| Alternate Memory Width |
|
16
|
| I/O Type |
|
COMMON
|
|
|
|
Compare M28256-20WKA1 with alternatives
Compare MX27C4100MC-90 with alternatives