Chapter 10: Replacing Serial EEPROMs with MAX II User Flash Memory
10–3
List of Vendors and Devices
Table 10–3. Atmel Corporation Device Characteristics
Interface
2-Wire 3-Wire I C Microwire
Size
Operating
2
Type
Device
AT25020
AT25040
(Bits) SCI
SPI
v
v
v
fMAX
Voltage (V) (1)
2.7 (2.7 ~ 5.5)
2.7 (2.7 ~ 5.5)
EEPROM
EEPROM
EEPROM
2,048
4,096
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
3 MHz
3 MHz
20 MHz
AT25020A 2,048
2.7 (2.7 ~ 5.5)
1.8 (1.8 ~ 5.5)
EEPROM
EEPROM
EEPROM
EEPROM
EEPROM
EEPROM
EEPROM
EEPROM
EEPROM
EEPROM
EEPROM
AT25040A 4,096
—
—
—
—
—
—
—
—
—
—
—
v
v
v
—
—
—
—
—
—
—
—
—
—
—
v
v
v
v
v
v
v
—
—
—
—
—
—
—
—
—
—
—
v
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
20 MHz
3 MHz
2.7 (2.7 ~ 5.5)
1.8 (1.8 ~ 5.5)
AT25080
8,192
2.7 (2.7 ~ 5.5)
1.8 (1.8 ~ 5.5)
AT25080A 8,192
20 MHz
400 kHz
400 kHz
400 kHz
400 kHz
400 kHz
400 kHz
400 kHz
2 MHz
2.7 (2.7 ~ 5.5)
1.8 (1.8 ~ 5.5)
AT24C02
AT24C04
AT24C08
2,048
4,096
8,192
2.7 (2.7 ~ 5.5)
1.8 (1.8 ~ 5.5)
2.7 (2.7 ~ 5.5)
1.8 (1.8 ~ 5.5)
2.7 (2.7 ~ 5.5)
1.8 (1.8 ~ 5.5)
AT24C02A 2,048
AT24C04A 4,096
AT24C08A 8,192
2.7 (2.7 ~ 5.5)
1.8 (1.8 ~ 5.5)
2.7 (2.7 ~ 5.5)
1.8 (1.8 ~ 5.5)
2.7 (2.7 ~ 5.5)
1.8 (1.8 ~ 5.5)
AT34C02
AT93C56
2,048
2,048
2.7 (2.7 ~ 5.5)
1.8 (1.8 ~ 5.5)
2.7 (2.7 ~5.5)
2.5 (2.5 ~ 5.5)
1.8 (1.8 ~5.5)
EEPROM
AT93C66
4,096
—
—
—
v
—
—
2 MHz
2.7 (2.7 ~5.5)
2.5 (2.5 ~ 5.5)
1.8 (1.8 ~5.5)
Note to Table 10–3:
(1) The MAX II device supports two different VCCINT of operating voltage ranges, which are 2.375 to 2.625 V, and 3.0 to 3.6 V; the MAX IIG device
supports the 1.71 to 1.89 V operating voltage range.
Table 10–4. Catalyst Semiconductor, Inc. Device Characteristics (Part 1 of 2)
Interface
(Bits) SCI SPI 2-Wire 3-Wire
Operating
Voltage (V)
(1)
Size
2
Type
Device
I C
Microwire
fMAX
EEPROM
EEPROM
EEPROM
EEPROM
EEPROM
CAT93C56
CAT93C57
CAT93C66
CAT34WC02
CAT24WC03
2,048
2,048
4,096
2,048
2,048
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
v
v
v
v
v
—
—
1 MHz
1 MHz
1 MHz
400 kHz
400 kHz
1.8 to 6.0
1.8 to 6.0
1.8 to 6.0
1.8 to 6.0
1.8 to 6.0
© October 2008 Altera Corporation
MAX II Device Handbook