Atmel’s Serial EEPROMs
Solutions for all your design needs
Every Configuration of Serial EEPROMS
Atmel entered the Serial-interface EEPROM market in 1992. Since then, Atmel has become a leading supplier of these
small, low-power memory devices. Serial EEPROMs are in-system reprogrammable and are used to “remember” personal
preference and set-up/configuration data in consumer, telecommunication, and automotive applications.
Atmel manufactures every Serial-interface EEPROM in the market today. The Company offers the broadest selection of
2-wire, 3-wire, 4-wire, and SPI devices available.
All of Atmel’ s Serial EEPROMs are in densities up to 1M, operate down to 1.8 v olts and hav e one million erase/write cycles.
Atmel offers the ideal Serial memory solution at competitive prices.
So...if you are looking for Serial EEPROMs, think about Atmel—we have solutions for all your design needs.
Benefits
• Densities ranging from 1K-1M bits and options to cascade densities for up to 2M bits of memory
• Pioneered 1.8-volt EEPROMs, which reduce power needs up to 80-percent—Ideal for portable or
battery-operated systems
• Standard one million erase/write cycles
• Devices offered in commercial, industrial, and automotive temperature ranges
• Choose from the industry’s smallest footprints, including MSOP, TSSOP and LAP packages
Serial EEP ROMS
January 1999
R
Atmel Corporation • 2325 Orchard Parkwa y • San Jose, CA 95131
TEL: (408) 441-0311 • FAX: (408) 487-2600
Atmel’s Broad Serial EEPROM Family
Part Number Density Organization VCC Description Availability
AT24C01 1K 128 x 8 1.8, 2.5, 2.7, 5.0V 1K, 2-Wire Bus Serial EEPROM, Non-Cascadable Now
AT24C01A 1K 128 x 8 1.8, 2.5, 2.7, 5.0V 1K, 2-Wire Bus Serial EEPROM, Full Write Protect Now
AT24C21 1K 128 x 8 2.5V 1K, 2-Wire Bus Serial EEPROM Dual Mode,
Plug & Play Operation Now
AT24C02 2K 256 x 8 1.8, 2.5, 2.7, 5.0V 2K, 2-Wire Bus Serial EEPROM, Full Write Protect Now
AT24C02A 2K 256 x 8 1.8, 2.5, 2.7, 5.0V 2K, 2-Wire Bus Serial EEPROM, Half Write Protect Now
AT34C02 2K 256 x 8 1.8, 2.7, 5.0V 2K, 2-Wire Bus Serial EEPROM with Permanent Software
Write Protect Now
AT24C04 4K 512 x 8 1.8, 2.5, 2.7, 5.0V 4K, 2-Wire Bus Serial EEPROM, Full Write Protect Now
AT24C04A 4K 512 x 8 1.8, 2.5, 2.7, 5.0V 4K, 2-Wire Bus Serial EEPROM, Half Write Protect Now
AT24C08 8K 1028 x 8 1.8, 2.5, 2.7, 5.0V 8K, 2-Wire Bus Serial EEPROM Now
AT24C08A 8K 1028 x 8 1.8, 2.5, 2.7, 5.0V 8K, 2-Wire Bus Serial EEPROM, Full Write Protect Now
AT24C16 16K 2048 x 8 1.8, 2.5, 2.7, 5.0V 16K, 2-Wire Bus Serial EEPROM, Half Write Protect Now
AT24C164 16K 2048 x 8 1.8, 2.5, 2.7, 5.0V 16K, 2-Wire Bus Serial EEPROM with Cascadabl e Feature Now
AT24C32 32K 4096 x 8 1.8, 2.5, 2.7, 5.0V 32K, 2-Wire Bus Serial EEPROM with Cascadabl e Feature Now
AT24C64 64K 8192 x 8 1.8, 2.5, 2.7, 5.0V 64K, 2-Wire Bus Serial EEPROM with Cascadabl e Feature Now
AT24C128 128K 16384 x 8 1.8, 2.7, 5.0V 128K, 2-Wire Bus Serial EEPROM with Cascadable Feature Now
AT24CS128 128K 16384 x 8 1.8, 2.7, 5.0V 128K, 2-Wire Bus Serial EEPROM with Cascadable Feature
and Permanent Software Write Protect 1Q99
AT24C256 256K 32768 x 8 1.8, 2.7, 5.0V 256K, 2-Wire Bus Serial EEPROM with Cascadable Feature Now
AT24CS256 256K 32768 x 8 1.8, 2.7, 5.0V 256K, 2-Wire Bus Serial EEPROM with Cascadable Feature
and Permanent Software Write Protect 1Q99
AT24C512 512K 65536 x 8 1.8, 2.7, 5.0V 512K, 2-Wire Bus Serial EEPROM with Cascadable Feature Now
AT93C46 1K 64 x 16 /
128 x 8 1.8, 2.5, 2.7, 5.0V 1K, 3-Wire Bus Serial EEPROM Now
AT93C46A 1K 64 x 16 2.5, 2.7, 5.0V 1K, 3-Wire Bus Serial EEPROM Now
AT93C46C 1K 64 x 16 2. 5, 2.7, 5.0V 1K, 3-Wire Bus Serial EEPROM with Schmitt Trigger Inputs Now
AT93C56 2K 128 x 16 /
256 x 8 2.5, 2.7, 5.0V 2K, 3-Wire Bus Serial EEPROM Now
AT93C57 2K 128 x 16 /
256 x 8 2.5, 2.7, 5.0V 2K, 3-Wire Bus Serial EEPROM with Special Address Now
AT93C66 4K 256 x 16 /
512 x 8 2.5, 2.7, 5.0V 4K, 3-Wire Bus Serial EEPROM Now
AT93C86 16K 1024 x 16 /
2048 x 8 2.7, 5.0V 16K, 3-Wire Bus Serial EEPROM with Sequential Read and
Schmitt Trigger Inputs 2Q99
AT59C11 1K 64 x 16 /
128 x 8 2.5, 2.7, 5.0V 1K, 4-Wire Bus Serial EEPROM Now
AT59C22 2K 128 x 16 /
256 x 8 2.5, 2.7, 5.0V 2K, 4-Wire Bus Serial EEPROM Now
AT59C13 4K 256 x 16 /
512 x 8 2.5, 2.7, 5.0V 4K, 4-Wire Bus Serial EEPROM Now
AT25010 1K 128 x 8 1.8, 2.7, 5.0V 1K, SPI Bus Serial EEPROM, Supports SPI Mode 0 and 3 Now
AT25020 2K 256 x 8 1.8, 2.7, 5.0V 2K, SPI Bus Serial EEPROM, Supports SPI Mode 0 and 3 Now
AT25040 4K 512 x 8 1.8, 2.7, 5.0V 4K, SPI Bus Serial EEPROM, Supports SPI Mode 0 and 3 Now
AT25080 8K 1024 x 8 1.8, 2.7, 5.0V 8K, SPI Bus Serial EEPROM, Supports SPI Mode 0 and 3 Now
AT25160 16K 2048 x 8 1.8, 2.7, 5.0V 16K, SPI Bus Serial EEPROM, Supports SPI Mode 0 and 3 Now
AT25320 32K 4096 x 8 1.8, 2.7, 5.0V 32K, SPI Bus Serial EEPROM, Supports SPI Mode 0 and 3 Now
AT25640 64K 8192 x 8 1.8, 2.7, 5.0V 64K, SPI Bus Serial EEPROM, Supports SPI Mode 0 and 3 Now
AT25128 128K 16384 x 8 1.8, 2.7, 5.0V 128K, SPI Bus Serial EEPROM, Supports SPI Mode 0 and 3 Now
AT25256 256K 32768 x 8 1.8, 2.7, 5.0V 256K, SPI Bus Serial EEPROM, Supports SPI Mode 0 and 3 Now
2
AT25HP256 256K 32768 x 8 1.8, 2.7, 5.0V 256K, SPI Bus Serial EEPROM, Supports SPI Mode 0 and 3,
High Speed and Page Write Only 1Q99
AT25HP512 512K 65536 x 8 1.8, 2.7, 5.0V 512K, SPI Bus Serial EEPROM, Supports SPI Mode 0 and 3,
High Speed and Page Write Only 1Q99
AT25P1024 1M 131072 X 8 1.8, 2.7, 5.0V 1M, SPI Bus Serial EEPROM, Supports SPI Mode 0 and 3,
Page Write Only Now
2-Wire Bus Package Type Density Ordering Part No. VCC Options
5 x 6 mm LAP
Bottom View
128K
256K AT24C128-10C
AT24C256-10C 1.8, 2.7, 5.0
1.8, 2.7, 5.0
5 x 8 mm LAP
Bottom View
128K
256K
512K
AT24C128C1-10C
AT24C256C1-10C
AT24C512C1-10C
1.8, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
8-Pin MSOP 1K
2K
4K
AT24C01/01A-10M
AT24C02/02A-10M
AT24C04/04A-10M
1.8, 2.5, 2.7, 5.0
1.8, 2.5, 2.7, 5.0
1.8, 2.5, 2.7, 5.0
8-Pin PDIP 1K
1K
2K
2K
4K
8K
16K
32K
64K
128K
128K
256K
256K
512K
AT24C01/01A-10P
AT24C21-10P
AT24C02/02A-10P
AT34C02-10P
AT24C04/04A-10P
AT24C08/08A-10P
AT24C16/164-10P
AT24C32-10P
AT24C64-10P
AT24C128-10P
AT24CS128-10P
AT24C256-10P
AT24CS256-10P
AT24C512-10P
1.8, 2.5, 2.7, 5.0
2.5
1.8, 2.5, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.5, 2.7, 5.0
1.8, 2.5, 2.7, 5.0
1.8, 2.5, 2.7, 5.0
1.8, 2.5, 2.7, 5.0
1.8, 2.5, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
8-Pin JEDEC SOIC 1K
1K
2K
2K
4K
8K
16K
32K
64K
128K
128K
256K
AT24C01/01A-10S
AT24C21-10S
AT24C02N/02AN-10S
AT34C02N-10S
AT24C04N/04AN-10S
AT24C08N/08AN-10S
AT24C16N/164-10S
AT24C32N-10S
AT24C64N-10S
AT24C128N-10S
AT24CS128N-10S
AT24C256N-10S
1.8, 2.5, 2.7, 5.0
2.5
1.8, 2.5, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.5, 2.7, 5.0
1.8, 2.5, 2.7, 5.0
1.8, 2.5, 2.7, 5.0
1.8, 2.5, 2.7, 5.0
1.8, 2.5, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
8-Pin EIAJ SOIC 32K
64K
128K
128K
256K
256K
AT24C32W-10S
AT24C64W-10S
AT24C128W-10S
AT24CS128W-10S
AT24C256W-10S
AT24CS256W-10S
1.8, 2.5, 2.7, 5.0
1.8, 2.5, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
Atmel’s Broad Serial EEPROM Famil y (Continued)
Part Number Density Organization VCC Description Availability
1
2
3
4
8
7
6
5
VCC
WP
SCL
SDA
A0
A1
A2
GND
1
2
3
4
8
7
6
5
VCC
WP
SCL
SDA
A0
A1
A2
GND
1
2
3
4
8
7
6
5
A0
A1
A2
GND
VCC
WP
SCL
SDA
1
2
3
4
8
7
6
5
A0
A1
A2
GND
VCC
WP
SCL
SDA
1
2
3
4
8
7
6
5
A0
A1
A2
GND
VCC
WP
SCL
SDA
1
2
3
4
8
7
6
5
A0
A1
A2
GND
VCC
WP
SCL
SDA
3
14-Pin JEDEC SOIC 2K
4K
8K
16K
32K
64K
AT24C02/02A-10S
AT24C04/04A-10S
AT24C08/08A-10S
AT24C16-10S
AT24C32-10S
AT24C64-10S
1.8, 2.5, 2.7, 5.0
1.8, 2.5, 2.7, 5.0
1.8, 2.5, 2.7, 5.0
1.8, 2.5, 2.7, 5.0
1.8, 2.5, 2.7, 5.0
1.8, 2.5, 2.7, 5.0
20-Pin JEDEC SOIC 512K AT24C512W1-10S 1.8, 2.7, 5.0
8-Pin TSSOP 1K
2K
2K
4K
8K
16K
32K
64K
AT24C01/01A-10T
AT24C02/02A-10T
AT34C02-10T
AT24C04/04A-10T
AT24C08/08A-10T
AT24C16-10T
AT24C32-10T
AT24C64-10T
1.8, 2.5, 2.7, 5.0
1.8, 2.5, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.5, 2.7, 5.0
1.8, 2.5, 2.7, 5.0
1.8, 2.5, 2.7, 5.0
1.8, 2.5, 2.7, 5.0
1.8, 2.5, 2.7, 5.0
14-Pin TSSOP 128K
256K AT24C128T1-10T
AT24C256T1-10T 1.8, 2.7, 5.0
1.8, 2.7, 5.0
3-Wire Bus Package Type Density Ordering Part No. VCC Options
8-Pin PDIP 1K
1K
1K
2K
2K
4K
16K
AT93C46-10P
AT93C46A-10P
AT93C46C-10P
AT93C56-10P
AT93C57-10P
AT93C66-10P
AT93C86-10P
1.8, 2.5, 2.7, 5.0
2.5, 2.7, 5.0
2.5, 2.7, 5.0
2.5, 2.7, 5.0
2.5, 2.7, 5.0
2.5, 2.7, 5.0
2.7, 5.0
8-Pin JEDEC SOIC 1K
1K
1K
2K
2K
4K
16K
AT93C46-10S
AT93C46A-10S
AT93C46C-10S
AT93C56-10S
AT93C57-10S
AT93C66-10S
AT93C86-10S
1.8, 2.5, 2.7, 5.0
2.5, 2.7, 5.0
2.5, 2.7, 5.0
2.5, 2.7, 5.0
2.5, 2.7, 5.0
2.5, 2.7, 5.0
2.7, 5.0
8-Pin Rotated JEDEC SOIC 1K AT93C46R-10S 1.8, 2.5, 2.7, 5.0
8-Pin EIAJ SOIC 1K
2K
2K
4K
AT93C46W-10S
AT93C56W-10S
AT93C57W-10S
AT93C66W-10S
1.8, 2.5, 2.7, 5.0
2.5, 2.7, 5.0
2.5, 2.7, 5.0
2.5, 2.7, 5.0
2-Wire Bus (Continued)
Package Type Density Ordering Part No. VCC Options
1
2
3
4
5
6
7
14
13
12
11
10
9
8
NC
A0
A1
NC
A2
VSS
NC
NC
VCC
WP
NC
SCL
SDA
NC
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
A0
A1
NC
NC
NC
NC
NC
NC
NC
GND
VCC
WP
NC
NC
NC
NC
NC
NC
SCL
SDA
1
2
3
4
8
7
6
5
A0
A1
A2
GND
VCC
WP
SCL
SDA
1
2
3
4
5
6
7
14
13
12
11
10
9
8
NC
A0
A1
NC
A2
VSS
NC
NC
VCC
WP
NC
SCL
SDA
NC
1
2
3
4
8
7
6
5
CS
SK
DI
DO
VCC
DC
ORG
GND
1
2
3
4
8
7
6
5
CS
SK
DI
DO
VCC
DC
ORG
GND
1
2
3
4
8
7
6
5
DC
VCC
CS
SK
ORG
GND
DO
DI
1
2
3
4
8
7
6
5
CS
SK
DI
DO
VCC
DC
ORG
GND
4
8-Pin TSSOP 1K
1K
16K
AT93C46-10T
AT93C46A-10T
AT93C86-10T
1.8, 2.5, 2.7, 5.0
2.5, 2.7, 5.0
2.7, 5.0
4-Wire Bus Pack age Type Density Ordering Part No. VCC Options
8 Pin PDIP 1K
2K
4K
AT59C11-10P
AT59C22-10P
AT59C13-10P
2.5, 2.7, 5.0
2.5, 2.7, 5.0
2.5, 2.7, 5.0
8-Pi n EIAJ SOIC 1K
2K
4K
AT59C11W-10S
AT59C22W-10S
AT59C13W-10S
2.5, 2.7, 5.0
2.5, 2.7, 5.0
2.5, 2.7, 5.0
SPI Bus Packa ge Type Density Ordering Part No. VCC Options
5 x 6 mm LAP
Bottom View
128K
256K
256K
AT25128-10C
AT25256-10C
AT25HP256-10C
1.8, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
5 x 8 mm LAP
Bottom View
128K
256K
256K
512K
1M
AT25128C1-10C
AT25256C1-10C
AT25HP256C1-10C
AT25HP512C1-10C
AT25P1024C1-10C
1.8, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
8-Pin PDIP 1K
2K
4K
8K
16K
32K
64K
128K
256K
256K
512K
AT25010-10P
AT25020-10P
AT25040-10P
AT25080-10P
AT25160-10P
AT25320-10P
AT25640-10P
AT25128-10P
AT25256-10P
AT25HP256-10P
AT25HP512-10P
1.8, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
8-Pin JEDEC SOIC 1K
2K
4K
8K
16K
32K
64K
128K
AT25010N-10S
AT25020N-10S
AT25040N-10S
AT25080N-10S
AT25160N-10S
AT25320N-10S
AT25640N-10S
AT25128N-10S
1.8, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
8-Pin EIAJ SOIC 128K
256K
256K
AT25128W-10S
AT25256W-10S
AT25HP256W-10S
1.8, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
3-Wire Bus Package Type Density Ordering Part No. VCC Options
1
2
3
4
8
7
6
5
CS
SK
DI
DO
VCC
DC
ORG
GND
1
2
3
4
8
7
6
5
CS
CLK
DI
DO
VCC
RDY/BUSY
ORG
GND
1
2
3
4
8
7
6
5
CS
CLK
DI
DO
VCC
RDY/BUSY
ORG
GND
1
2
3
4
8
7
6
5
VCC
HOLD
SCK
SI
CS
SO
WP
GND
1
2
3
4
8
7
6
5
VCC
HOLD
SCK
SI
CS
SO
WP
GND
1
2
3
4
8
7
6
5
CS
SO
WP
GND
VCC
HOLD
SCK
SI
1
2
3
4
8
7
6
5
CS
SO
WP
GND
VCC
HOLD
SCK
SI
1
2
3
4
8
7
6
5
CS
SO
WP
GND
VCC
HOLD
SCK
SI
5
Note: Please refer to device datasheets for complete ordering information.
16-Pin JEDEC SOIC 128K
512K AT25128N1-10S
AT25HP512W2-10S 1.8, 2.7, 5.0
1.8, 2.7, 5.0
20-Pin JEDEC SOIC 1M AT25P1024W1-10S 1.8, 2.7, 5.0
14-Pin TSSOP 8K
16K
32K
64K
128K
AT25080T1-10T
AT25160T1-10T
AT25320T1-10T
AT25640T1-10T
AT25128T1-10T
1.8, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
20-Pin TSSOP 8K
16K
32K
64K
128K
256K
AT25080T2-10T
AT25160T2-10T
AT25320T2-10T
AT25640T2-10T
AT25128T2-10T
AT25256T2-10T
1.8, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
1.8, 2.7, 5.0
SPI Bus (Continued)
Packa ge Type Density Ordering Part No. VCC Options
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
CS
SO
NC
NC
NC
NC
WP
GND
VCC
HOLD
NC
NC
NC
NC
SCK
SI
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
NC
CS
SO
SO
NC
NC
WP
GND
DC
NC
NC
VCC
HOLD
HOLD
NC
NC
SCK
SI
DC
NC
1
2
3
4
5
6
7
14
13
12
11
10
9
8
CS
SO
NC
NC
NC
WP
GND
VCC
HOLD
NC
NC
NC
SCK
SI
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
NC
CS
SO
SO
NC
NC
WP
GND
DC
NC
NC
VCC
HOLD
HOLD
NC
NC
SCK
SI
DC
NC
6
© Atmel Corporation 1998.
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Camberley, Surrey GU15 3YL
England
TEL (44) 1276-686677
FAX (44) 1276-686697
Asia
Atmel Asia, Ltd.
Room 1219
Chinachem Golden Plaza
77 Mody Road
Tsimshatsui East
Kowloon, Hong Kong
TEL (852) 27219778
FAX (852) 27221369
Japan
Atmel Japan K.K.
Tonetsu Shinkawa Bldg., 9F
1-24-8 Shinkawa
Chuo-ku, Tokyo 104-0033
Japan
TEL (81) 3-3523-3551
FAX (81) 3-3523-7581
Atmel Colorado Springs
1150 E. Cheyenne Mtn. Blvd.
Colorado Springs, CO 80906
TEL (719) 576-3300
FAX (719) 540-1759
Atmel Rousset
Zone Industrielle
13106 Rousset Cedex, France
TEL (33) 4 42 53 60 00
FAX (33) 4 42 53 60 01
Fax-on-Demand
North America:
1-(800) 292-8635
International:
1-(408) 441-0732
e-mail
literature@atmel.com
Web Site
http://www.atmel.com
BBS
1-(408) 436-4309
Printed on recycled paper.
0358F–12/98/15M
