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PDF A24C16 Data sheet ( Hoja de datos )
| Número de pieza | A24C16 | |
| Descripción | 16K BITS (2048 x 8) TWO-WIRE SERIAL EEPROM | |
| Fabricantes | AiT Semiconductor | |
| Logotipo |  |
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AiT Semiconductor Inc.
www.ait-ic.com
A24C16
EEPROM
16K BITS (2048 X 8) TWO-WIRE SERIAL
DESCRIPTION
A24C16 provides 16384 bits of serial electrically
erasable and programmable read-only memory
(EEPROM) organized as 2048 words of 8 bits
each.
The device is optimized for use in many
industrial and commercial applications where
low-power and low-voltage operations are
essential.
The A24C16 is accessed via a two-wire serial
interface.
The A24C16 is available in SOP8, DFN8 and
TSSOP8 Packages.
ORDERING INFORMATION
FEATURES
Two-wire Serial Interface
VCC = 1.8V to 5.5V
Bi-directional Data Transfer Protocol
Internally Organized
A24C16, 2048 X 8 (16K bits)
1 MHz (5V), 400 kHz (1.8V, 2.5V, 2.7V)
Compatibility
16-byte Page (16K) Write Modes
Self-timed Write Cycle (5 ms max)
1 Million Write Cycles guaranteed
Data Retention > 100 Years
Operating Temperature: -40℃ to +85℃
Available in SOP8, DFN8 and TSSOP8
Package
Package Type
Part Number
A24C16M8R
SOP8
A24C16M8U
M8
A24C16M8VR
A24C16M8VU
A24C16TMX8R
TSSOP8
TMX8
A24C16TMX8U
A24C16TMX8VR
A24C16TMX8VU
DFN8
A24C16J8R
J8
A24C16J8VR
Note
R: Tape & Reel , U: Tube,
V: Halogen free Package
AiT provides all RoHS products,
suffix “ V “ means Halogen free Package
REV1.3
-
- SEP 2008 RELEASED, NOV 2011 UPDATED
-1-
1 page  
AiT Semiconductor Inc.
www.ait-ic.com
A24C16
EEPROM
16K BITS (2048 X 8) TWO-WIRE SERIAL
Applicable over recommended operating range from TA=-40℃ to +85℃, VCC=+1.8V to +5.5V, CL=1 TTL
Gate and 100 pF (unless otherwise noted)
Parameter
Symbol
1.8-volt
Min Typ. Max
5.0-volt
Min Typ. Max
Units
AC Electrical Characteristics
Clock Frequency, SCL
fSCL - - 400 - - 1000 kHz
Clock Pulse Width Low
t LOW
1.2 -
- 0.6 -
- μs
Clock Pulse Width High
t HIGH
0.6 -
- 0.4 -
- μs
Noise Suppression Time
tI
- - 50 - - 40 μs
Clock Low to Data Out
Valid
t AA
0.05 -
0.9 0.05 - 0.55 μs
Time the bus must be free
before a new transmission
t BUF
1.2 -
- 0.5 -
- μs
can start
Start Hold Time
t HD.STA
0.6
-
- 0.25 -
μs
Start Setup Time
t SU.STA
0.6
-
- 0.25 -
- μs
Data In Hold Time
t HD.DAT
0
-
-
0
-
- μs
Data In Setup Time
t SU.DAT
100
-
- 100 -
- ns
Inputs Rise Time
tR - - 0.3 - - 0.3 μs
Inputs Fall Time
tF - - 300 - - 100 ns
Stop Setup Time
t SU.STO
0.6
-
- 0.25 -
- μs
Data Out Hold Time
tDH 50 - - 50 - - ns
Write Cycle Time
tWR - - 5 - - 5 ms
Write
5.0V, 25℃, Byte Mode
Endurance 1M
-
-
-
-
-
Cycles
REV1.3
-
- SEP 2008 RELEASED, NOV 2011 UPDATED
-5-
5 Page 
AiT Semiconductor Inc.
www.ait-ic.com
A24C16
EEPROM
16K BITS (2048 X 8) TWO-WIRE SERIAL
select bit in the device address word is set to "1". There are three read operations: current address read,
random address read and sequential read.
CURRENT ADDRESS READ: The internal data word address counter maintains the last address
accessed during the last read or write operation, incremented by one. This address stays valid between
operations as long as the chip power is maintained. The address "roll over" during read is from the last
byte of the last memory page to the first byte of the first page. The address "roll over" during write is from
the last byte of the current page to the first byte of the same page.
Once the device address with the read/write select bit set to "1" is clocked in and acknowledged by the
EEPROM, the current address data word is serially clocked out. The microcontroller does not respond
with an input "0" but does generate a following stop condition (see Figure 7 on page 13).
6. Read Operations
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 "0" but does generate a following stop condition (see Figure 8 on page 13).
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 "0" but does generate a following stop condition (see Figure 9 on
page 14).
REV1.3
-
- SEP 2008 RELEASED, NOV 2011 UPDATED
- 11 -
11 Page | ||
| Páginas | Total 18 Páginas | |
| PDF Descargar | [ Datasheet A24C16.PDF ] | |
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