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PDF 24C64 Data sheet ( Hoja de datos )
| Número de pieza | 24C64 | |
| Descripción | 2-Wire Serial EEPROM | |
| Fabricantes | ATMELCorporation | |
| Logotipo |  |
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Features
• Low-Voltage and Standard-Voltage Operation
– 5.0 (VCC = 4.5V to 5.5V)
– 2.7 (VCC = 2.7V to 5.5V)
– 2.5 (VCC = 2.5V to 5.5V)
– 1.8 (VCC = 1.8V to 5.5V)
• Low-Power Devices (ISB = 2 µA @ 5.5V) Available
• Internally Organized 4096 x 8, 8192 x 8
• 2-Wire Serial Interface
• Schmitt Trigger, Filtered Inputs for Noise Suppression
• Bidirectional Data Transfer Protocol
• 100 kHz (1.8V, 2.5V, 2.7V) and 400 kHz (5V) Compatibility
• Write Protect Pin for Hardware Data Protection
• 32-Byte Page Write Mode (Partial Page Writes Allowed)
• Self-Timed Write Cycle (10 ms max)
• High Reliability
– Endurance: 1 Million Write Cycles
– Data Retention: 100 Years
– ESD Protection: >3,000V
• Automotive Grade and Extended Temperature Devices Available
• 8-Pin JEDEC PDIP, 8-Pin and 14-Pin JEDEC SOIC, 8-Pin EIAJ SOIC,
and 8-pin TSSOP Packages
Description
The AT24C32/64 provides 32,768/65,536 bits of serial electrically erasable and pro-
grammable read only memory (EEPROM) organized as 4096/8192 words of 8 bits
each. The device’s cascadable feature allows up to 8 devices to share a common 2-
wire bus. The device is optimized for use in many industrial and commercial applica-
tions where low power and low voltage operation are essential. The AT24C32/64 is
available in space saving 8-pin JEDEC PDIP, 8-pin and 14-pin JEDEC SOIC, 8-pin
EIAJ SOIC, and 8-pin TSSOP packages and is accessed via a 2-wire serial interface.
In addition, the entire family is available in 5.0V (4.5V to 5.5V), 2.7V (2.7V to 5.5V),
2.5V (2.5V to 5.5V) and 1.8V (1.8V to 5.5V) versions.
Pin Configurations
Pin Name
A0 to A2
SDA
Function
Address Inputs
Serial Data
8-Pin PDIP
A0
A1
A2
GND
1
2
3
4
8 VCC
7 WP
6 SCL
5 SDA
SCL Serial Clock Input
WP Write Protect
14-Pin SOIC
8-Pin TSSOP
A0
A1
A2
GND
1
2
3
4
8 VCC
7 WP
6 SCL
5 SDA
NC
A0
A1
NC
A2
GND
NC
1
2
3
4
5
6
7
14 NC
13 VCC
12 WP
11 NC
10 SCL
9 SDA
8 NC
8-Pin SOIC
A0
A1
A2
GND
1
2
3
4
8 VCC
7 WP
6 SCL
5 SDA
2-Wire
Serial EEPROM
32K (4096 x 8)
64K (8192 x 8)
AT24C32
AT24C64
2-Wire, 32K
Serial E2PROM
Rev. 0336F–08/98
1
1 page  
Bus Timing
SCL: Serial Clock, SDA: Serial Data I/O
AT24C32/64
Write Cycle Timing
SCL: Serial Clock, SDA: Serial Data I/O
tWR(1)
Note: 1. The write cycle time tWR is the time from a valid stop condition of a write sequence to the end of the internal clear/write
cycle.
5
5 Page 
AT24C32 Ordering Information (Continued)
tWR (max)
(ms)
10
ICC (max)
(µA)
1000
ISB (max)
(µA)
0.5
fMAX
(kHz)
100
1000
0.5 100
10 800 0.1 100
800 0.1 100
Ordering Code
AT24C32-10PC-2.5
AT24C32N-10SC-2.5
AT24C32W-10SC-2.5
AT24C32-10TC-2.5
AT24C32-10SC-2.5
AT24C32-10PI-2.5
AT24C32N-10SI-2.5
AT24C32W-10SI-2.5
AT24C32-10TI-2.5
AT24C32-10SI-2.5
AT24C32-10PC-1.8
AT24C32N-10SC-1.8
AT24C32W-10SC-1.8
AT24C32-10TC-1.8
AT24C32-10SC-1.8
AT24C32-10PI-1.8
AT24C32N-10SI-1.8
AT24C32W-10SI-1.8
AT24C32-10TI-1.8
AT24C32-10SI-1.8
AT24C32/64
Package
8P3
8S1
8S2
8T
14S
8P3
8S1
8S2
8T
14S
8P3
8S1
8S2
8T
14S
8P3
8S1
8S2
8T
14S
Operation Range
Commercial
(0°C to 70°C)
Industrial
(-40°C to 85°C)
Commercial
(0°C to 70°C)
Industrial
(-40°C to 85°C)
8P3
8S1
8S2
8T
14S
Blank
-2.7
-2.5
-1.8
Package Type
8-Lead, 0.300" Wide, Plastic Dual Inline Package (PDIP)
8-Lead, 0.150" Wide, Plastic Gull Wing Small Outline (JEDEC SOIC)
8-Lead, 0.200" Wide, Plastic Gull Wing Small Outline (EIAJ SOIC)
8-Lead, 0.170" Wide, Plastic Gull Wing Small Outline (TSSOP)
14-Lead, 0.150" Wide, Plastic Gull Wing Small Outline (SOIC)
Options
Standard Operation (4.5V to 5.5V)
Low Voltage (2.7V to 5.5V)
Low Voltage (2.5V to 5.5V)
Low Voltage (1.8V to 5.5V)
11
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet 24C64.PDF ] | |
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