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Número de pieza | AX24C02A | |
Descripción | 2K/4K/8K/16K-bit 2-WIRE SERIAL CMOS EEPROM | |
Fabricantes | AXElite | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de AX24C02A (archivo pdf) en la parte inferior de esta página. Total 16 Páginas | ||
No Preview Available ! AX24C02A/04A/08A/16A
2K/4K/8K /16K-bit 2-WIRE SERIAL CMOS EEPROM
GENERAL DESCRIPTIO
The AX24C02A/04A/08A/16A provides
2048/4096/8192/16384 bits of serial electrically
erasable and programmable read-only memory
(EEPROM) organized as 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
AX24C02A/04A/08A/16A is available in space-saving
SOP-8, TSSOP-8, DFN-8 and SOT23-5 packages and
is accessed via a two-wire serial interface.
FEATURES
Wide Voltage Operation
- VCC = 1.8V to 5.5V
Operating Ambient Temperature: -40°C to +85°C
Internally Organized:
- AX24C02A, 256 X 8 (2K bits)
- AX24C04A, 512 X 8 (4K bits)
- AX24C08A, 1024 X 8 (8K bits)
- AX24C16A, 2048 X 8 (16K bits)
Two-wire Serial Interface
Schmitt Trigger, Filtered Inputs for Noise
Suppression
Bidirectional Data Transfer Protocol
1 MHz (5V), 400 kHz (1.8V, 2.5V, 2.7V)
Compatibility
Write Protect Pin for Hardware Data Protection
8-byte Page (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
SOP-8, TSSOP-8, DFN-8 and SOT23-5
packages
PIN ASSIGNMENT (Top-View)
SOP-8
TSSOP-8
TDFN-8
SOT23-5
PIN CONFIGURATION
Pin Name
A0 - A2
SDA
SCL
WP
GND
VCC
Functions
Address Inputs
Serial Data
Serial Clock Input
Write Protect
Ground
Power Supply
1/16
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.1.1 Jul.22, 2011
1 page Figure 1: Data Validity
AX24C02A/04A/08A/16A
Figure 2: Start and Stop Definition
Figure 3: Output Acknowledge
5/16
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.1.1 Jul.22, 2011
5 Page AX24C02A/04A/08A/16A
AC Electrical 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)
Parameter
Symbol
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
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(for 04/16/16B)
Write Cycle Time(for 02D/08D)
5.0V, 25°C, Byte Mode
fSCL
tLOW
tHIGH
tI
tAA
tBUF
tHD.STA
tSU.STA
tHD.DAT
tSU.DAT
tR
tF
tSU.STO
tDH
tWR1
tWR2
Endurance
1.8-volt
Min. Typ. Max.
- - 400
1.2 -
-
0.6 -
-
- - 50
0.05 - 0.9
1.2 -
-
0.6 -
-
0.6 -
-
0- -
100 -
-
- - 0.3
- - 300
0.6 -
-
50 -
-
- 3.3 5
- 1.5 5
1M -
-
Min.
-
0.6
0.4
-
0.05
5.0-volt
Typ. Max.
- 1000
--
--
- 40
- 0.55
Units
kHz
μs
μs
ns
μs
0.5 -
-
μs
0.25 -
-
μs
0.25 -
-
μs
0 --
μs
100 -
-
ns
- - 0.3 μs
- - 100 ns
0.25 -
-
μs
50 - -
ns
- 3.3 5
ms
- 1.5 5
ms
- - - Write Cycles
Note
1. This parameter is characterized and is not 100% tested.
2. AC measurement conditions:
RL (connects to VCC): 1.3kΩ (2.5V, 5V), 10kΩ (1.8V)
Input pulse voltages: 0.3 VCC to 0.7 VCC
Input rise and fall time: ≦50 ns
Input and output timing reference voltages: 0.5 VCC
The value of RL should be concerned according to the actual loading on the user's system.
11/16
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.1.1 Jul.22, 2011
11 Page |
Páginas | Total 16 Páginas | |
PDF Descargar | [ Datasheet AX24C02A.PDF ] |
Número de pieza | Descripción | Fabricantes |
AX24C02A | 2K/4K/8K/16K-bit 2-WIRE SERIAL CMOS EEPROM | AXElite |
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