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PDF AT24C08A Data sheet ( Hoja de datos )
| Número de pieza | AT24C08A | |
| Descripción | 2-Wire Serial EEPROM | |
| Fabricantes | ATMEL Corporation | |
| Logotipo |  |
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Features
• Low-voltage and Standard-voltage Operation
– 2.7 (VCC = 2.7V to 5.5V)
– 1.8 (VCC = 1.8V to 5.5V)
• Internally Organized 128 x 8 (1K), 256 x 8 (2K), 512 x 8 (4K),
1024 x 8 (8K) or 2048 x 8 (16K)
• Two-wire Serial Interface
• Schmitt Trigger, Filtered Inputs for Noise Suppression
• Bidirectional Data Transfer Protocol
• 100 kHz (1.8V) and 400 kHz (2.7V, 5V) Compatibility
• Write Protect Pin for Hardware Data Protection
• 8-byte Page (1K, 2K), 16-byte Page (4K, 8K, 16K) Write Modes
• Partial Page Writes Allowed
• Self-timed Write Cycle (5 ms max)
• High-reliability
– Endurance: 1 Million Write Cycles
– Data Retention: 100 Years
• Automotive Devices Available
• 8-lead JEDEC PDIP, 8-lead JEDEC SOIC, 8-lead Ultra Thin Mini-MAP (MLP 2x3), 5-lead
SOT23, 8-lead TSSOP and 8-ball dBGA2 Packages
• Die Sales: Wafer Form, Waffle Pack and Bumped Wafers
Description
The AT24C01A/02/04/08A/16A provides 1024/2048/4096/8192/16384 bits of serial
electrically erasable and programmable read-only memory (EEPROM) organized as
128/256/512/1024/2048 words of 8 bits each. The device is optimized for use in many
industrial and commercial applications where low-power and low-voltage operation
are essential. The AT24C01A/02/04/08A/16A is available in space-saving 8-lead
PDIP, 8-lead JEDEC SOIC, 8-lead Ultra Thin Mini-MAP (MLP 2x3), 5-lead SOT23
(AT24C01A/AT24C02/AT24C04), 8-lead TSSOP, and 8-ball dBGA2 packages and is
accessed via a Two-wire serial interface. In addition, the entire family is available in
2.7V (2.7V to 5.5V) and 1.8V (1.8V to 5.5V) versions.
Table 1. Pin Configuration
8-lead TSSOP
8-lead SOIC
Pin Name
A0 - A2
SDA
Function
Address Inputs
Serial Data
A0
A1
A2
GND
1
2
3
4
8 VCC
7 WP
6 SCL
5 SDA
A0
A1
A2
GND
1
2
3
4
8 VCC
7 WP
6 SCL
5 SDA
SCL
WP
NC
GND
VCC
Serial Clock Input
Write Protect
No Connect
Ground
Power Supply
8-ball dBGA2
VCC
WP
SCL
SDA
8
7
6
5
1 A0
2 A1
3 A2
4 GND
Bottom View
8-lead PDIP
8-lead Ultra Thin Mini-MAP
(MLP 2x3)
VCC 8
WP 7
SCL 6
SDA 5
1 A0
2 A1
3 A2
4 GND
Bottom View
5-lead SOT23
A0
A1
A2
GND
1
2
3
4
8 VCC
7 WP
6 SCL
5 SDA
SCL
GND
SDA
1
2
3
5 WP
4 VCC
Two-wire
Serial EEPROM
1K (128 x 8)
2K (256 x 8)
4K (512 x 8)
8K (1024 x 8)
16K (2048 x 8)
AT24C01A(1)
AT24C02(2)
AT24C04
AT24C08A
AT24C16A(3)
Notes:
1. Not Recommended for
new design; Please
refer to AT24C01B
datasheet.
2. Not Recommended for
new design; Please
refer to AT24C02B
datasheet.
3. Not Recommended for
new design; Please
refer to AT24C16B
datasheet
0180Z1–SEEPR–5/07
1
1 page  
AT24C01A/02/04/08A/16A
Table 5. AC Characteristics
Applicable over recommended operating range from TAI = –40°C to +85°C, VCC = +1.8V to +5.5V, VCC = +2.7V to +5.5V,
CL = 1 TTL Gate and 100 pF (unless otherwise noted)
Symbol
fSCL
tLOW
tHIGH
tI
tAA
tBUF
tHD.STA
tSU.STA
tHD.DAT
tSU.DAT
tR
tF
tSU.STO
tDH
tWR
Parameter
Clock Frequency, SCL
Clock Pulse Width Low
Clock Pulse Width High
Noise Suppression Time(1)
Clock Low to Data Out Valid
Time the bus must be free before
a new transmission can start(1)
Start Hold Time
Start Setup Time
Data In Hold Time
Data In Setup Time
Inputs Rise Time(1)
Inputs Fall Time(1)
Stop Setup Time
Data Out Hold Time
Write Cycle Time
Endurance(1) 5.0V, 25°C, Byte Mode
Note: 1. This parameter is characterized.
1.8-volt
Min Max
100
4.7
4.0
100
0.1 4.5
4.7
4.0
4.7
0
200
1.0
300
4.7
100
5
1M
2.7, 5.0-volt
Min Max
400
1.2
0.6
50
0.1 0.9
1.2
0.6
0.6
0
100
0.3
300
0.6
50
5
1M
Units
kHz
µs
µs
ns
µs
µs
µs
µs
µs
ns
µs
ns
µs
ns
ms
Write
Cycles
0180Z1–SEEPR–5/07
5
5 Page 
Figure 7. Device Address
MSB
8K
16K
Figure 8. Byte Write
AT24C01A/02/04/08A/16A
Figure 9. Page Write
(* = DON’T CARE bit for 1K)
0180Z1–SEEPR–5/07
11
11 Page | ||
| Páginas | Total 27 Páginas | |
| PDF Descargar | [ Datasheet AT24C08A.PDF ] | |
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