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PDF AT24C16C Data sheet ( Hoja de datos )
| Número de pieza | AT24C16C | |
| Descripción | EEPROM | |
| Fabricantes | ATMEL Corporation | |
| Logotipo |  |
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AT24C16C
I2C-Compatible, (2-Wire) Serial EEPROM
16-Kbit (2048 x 8)
DATASHEET
Standard Features
Low-voltage and Standard-voltage Operation
̶ VCC = 1.7V to 5.5V
Internally Organized as 2,048 x 8 (16K)
I2C-compatible (2-wire) Serial Interface
Schmitt Trigger, Filtered Inputs for Noise Suppression
Bidirectional Data Transfer Protocol
1MHz (2.5V, 2.7V, 5V), 400kHz (1.7V) Compatibility
Write Protect Pin for Hardware Data Protection
16-byte Page Write Mode
̶ Partial Page Writes Allowed
Self-timed Write Cycle (5ms Max)
High-reliability
̶ Endurance: 1,000,000 Write Cycles
̶ Data Retention: 100 Years
Green Package Options (Pb/Halide-free/RoHS Compliant)
̶ 8-lead PDIP, 8-lead SOIC, 8-lead TSSOP, 8-pad UDFN, 8-pad XDFN,
5-lead SOT23, and 8-ball VFBGA
Die Options: Wafer Form and Tape and Reel
Description
The Atmel® AT24C16C provides 16,384 bits of Serial Electrically Erasable and
Programmable Read-Only Memory (EEPROM) organized as 2,048 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.
AT24C16C is available in space-saving 8-lead PDIP, 8-lead JEDEC SOIC, 8-lead
TSSOP, 8-pad UDFN, 8-pad XDFN, 5-lead SOT23, and 8-ball VFBGA packages
and is accessed via a 2-wire serial interface.
Atmel-8719D-SEEPROM-AT24C16C-Datasheet_122016
1 page  
5.3 AC Characteristics
Table 5-3. AC Characteristics
Applicable over recommended operating range from TAI = -40C to 85C, VCC = +1.7V to 5.5V, CL = 1TTL Gate and 100pF
(unless otherwise noted).
1.7V
2.5V, 2.7V, 5.0V
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
Clock Low to Data Out Valid
Time the bus must be free before a new
transmission can start.
400 1000
1.2 0.4
0.6 0.4
100 50
0.1 0.9 0.05 0.55
1.2 0.5
kHz
μs
μs
ns
μs
μs
tHD.STA
tSU.STA
tHD.DAT
tSU.DAT
tR
tF
tSU.STO
tDH
tWR
Endurance(1)
Start Condition Hold Time
Start Condition Setup Time
Data In Hold Time
Data In Setup Time
Inputs Rise Time(1)
Inputs Fall Time(1)
Stop Condition Setup Time
Data Out Hold Time
Write Cycle Time
3.3V, 25C, Page Mode
0.6 0.25
μs
0.6 0.25
μs
00
μs
100 100
ns
0.3 0.3 μs
300 100 ns
0.6 .25
μs
50 50
ns
5 5 ms
1,000,000
Write Cycles
Note: 1. This parameter is ensured by characterization only.
AT24C16C [DATASHEET]
Atmel-8719D-SEEPROM-AT24C16C-Datasheet_122016
5
5 Page 
Random Read: A Random Read requires a Dummy Byte Write sequence to load in the data word address.
Once the device address word and data word address are clocked in and acknowledged by the EEPROM, the
microcontroller must generate another Start Condition. The microcontroller now initiates a Current Address
Read by sending a device address with the Read/Write select bit high. The EEPROM acknowledges the device
address and serially clocks out the data word. The microcontroller does not respond with a zero but does
generate a following Stop Condition.
Figure 9-2. Random Read
SDA Line
S
T
A
R Device
T Address
M
S
B
WS
RT
IA
T Word R Device
E Address (n) T Address
RA
/C
WK
A
C
K
R
E
A
D
A
C
K
Dummy Write
Data (n)
S
T
O
P
N
O
A
C
K
Sequential Read: Sequential Reads are initiated by either a Current Address Read or a Random Address
Read. After the microcontroller receives a data word, it responds with an Acknowledge. As long as the
EEPROM receives an Acknowledge, it will continue to increment the data word address and serially clock out
sequential data words. When the memory address limit is reached, the data word address will roll-over and the
Sequential Read will continue. The Sequential Read operation is terminated when the microcontroller does not
respond with a zero but does generate a following Stop Condition.
Figure 9-3. Sequential Read
Device
Address
R
E
A
D
SDA Line
RA
/C
WK
Data (n)
Data (n + 1)
Data (n + 2)
Data (n + x)
S
T
O
P
AA A N
CC C O
KK
K
A
C
K
AT24C16C [DATASHEET]
Atmel-8719D-SEEPROM-AT24C16C-Datasheet_122016
11
11 Page | ||
| Páginas | Total 23 Páginas | |
| PDF Descargar | [ Datasheet AT24C16C.PDF ] | |
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