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PDF AT24C164 Data sheet ( Hoja de datos )
| Número de pieza | AT24C164 | |
| 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 2048 x 8 (16K)
• Two-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
• Cascadable Feature Allows for Extended Densities
• 16-Byte Page Write Mode
• Partial Page Writes Are Allowed
• Self-Timed Write Cycle (10 ms max)
• High Reliability
– Endurance: 1 Million Write Cycles
– Data Retention: 100 Years
• Automotive Grade, Extended Temperature and Lead-free/Halogen-free
Devices Available
• 8-lead PDIP and 8-lead JEDEC SOIC Packages
• Die Sales: Wafer Form, Waffle Pack and Bumped Wafers
Description
The AT24C164 provides 16,384 bits of serial electrically erasable and programmable
read only memory (EEPROM) organized as 2048 words of 8 bits each. The device’s
cascadable feature allows up to eight devices to share a common two-wire bus. The
device is optimized for use in many industrial and commercial applications where low
power and low voltage operation are essential. The AT24C164 is available in space
saving 8-lead PDIP and 8-lead JEDEC SOIC packages and is accessed via a two-
wire serial interface. In addition, this device is available in 2.7V (2.7V to 5.5V) and
1.8V (1.8V to 5.5V) versions.
Table 1. Pin Configurations
8-lead SOIC
Pin Name
A0 - A2
SDA
SCL
Function
Address Inputs
Serial Data
Serial Clock Input
A0
A1
A2
GND
1
2
3
4
8 VCC
7 WP
6 SCL
5 SDA
WP Write Protect
Two-Wire Serial
EEPROM
16K (2048 x 8)
AT24C164(1)
Note:
1. Not recommended for a
new design; Please
refer to AT24C16B
datasheet. For cascad-
ability features of the
AT24C164 (A0-A2),
please move to the
AT24C32C
device
which allows up to eight
devices that may be
addressed on a single
bus system.
8-lead PDIP
A0
A1
A2
GND
1
2
3
4
8 VCC
7 WP
6 SCL
5 SDA
Rev. 0105J–SEEPR–12/06
1
1 page  
AT24C164
Table 4. AC Characteristics
Applicable over recommended operating range from TA = –40°C to +85°C, VCC = +1.8V to +5.5V, CL = 1 TTL Gate and
100 pF (unless otherwise noted).
2.7-, 2.5-, 1.8-volt
5.0-volt
Symbol
Parameter
Min Max Min Max Units
fSCL
tLOW
tHIGH
tI
tAA
tBUF
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)
100 400 kHz
4.7 1.2
µs
4.0 0.6
µs
100 50 ns
0.1 4.5 0.1 0.9 µs
4.7 1.2 µs
tHD.STA
tSU.STA
tHD.DAT
tSU.DAT
tR
tF
tSU.STO
tDH
tWR
Endurance(1)
Start Hold Time
Start Set-up Time
Data In Hold Time
Data In Set-up Time
Inputs Rise Time(1)
Inputs Fall Time(1)
Stop Set-up Time
Data Out Hold Time
Write Cycle Time
5.0V, 25°C, Page Mode
4.0 0.6 µs
4.7 0.6 µs
0 0 µs
200 100
ns
1.0 0.3 µs
300 300 ns
4.7 0.6 µs
100 50
ns
10 10 ms
1M
1M
Write
cycles
Note: 1. These parameters are characterized and is not 100% tested.
0105J–SEEPR–12/06
5
5 Page 
Figure 8. Byte Write
Figure 9. Page Write
Figure 10. Current Address Read
Figure 11. Random Read
0105J–SEEPR–12/06
AT24C164
11
11 Page | ||
| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet AT24C164.PDF ] | |
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