Harman Kardon MAS 101-102-111 (serv.man3) Service Manual ▷ View online
1
2
3
5
4
SCL
GND
SDA
WP
VCC
1
2
3
4
8
7
6
5
A0
A1
A2
GND
VCC
WP
SCL
SDA
1
2
3
4
8
7
6
5
VCC
WP
SCL
SDA
A0
A1
A2
GND
VCC
WP
SCL
SDA
A0
A1
A2
GND
1
2
3
4
8
7
6
5
1
2
3
4
8
7
6
5
A0
A1
A2
GND
VCC
WP
SCL
SDA
1
2
3
4
8
7
6
5
A0
A1
A2
GND
VCC
WP
SCL
SDA
8-lead SOIC
8-ball dBGA2
8-lead Ultra-Thin
Mini-MAP (MLP 2x3)
8-lead PDIP
5-lead SOT23
Bottom View
Bottom View
8-lead TSSOP
Features
•
Low-voltage and Standard-voltage Operation
– 1.8 (V
CC
= 1.8V to 5.5V)
•
Internally Organized 256 x 8 (2K)
•
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) Write Modes
•
Partial Page Writes Allowed
•
Self-timed Write Cycle (5 ms max)
•
High-reliability
– Endurance: 1 Million Write Cycles
– Data Retention: 100 Years
•
8-lead PDIP, 8-lead JEDEC SOIC, 8-lead Ultra Thin Mini-MAP (MLP 2x3), 5-lead SOT23,
8-lead TSSOP and 8-ball dBGA2 Packages
•
Lead-free/Halogen-free
•
Available in Automotive
•
Die Sales: Wafer Form, Tape and Reel and Bumped Wafers
Description
The AT24C02B provides 2048 bits of serial electrically erasable and programmable
read-only memory (EEPROM) organized as 256 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 AT24C02B is available in space-saving
8-lead PDIP, 8-lead JEDEC SOIC, 8-lead Ultra Thin Mini-MAP (MLP 2x3)
read-only memory (EEPROM) organized as 256 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 AT24C02B is available in space-saving
8-lead PDIP, 8-lead JEDEC SOIC, 8-lead Ultra Thin Mini-MAP (MLP 2x3)
,
5-lead
SOT23, 8-lead TSSOP, and 8-ball dBGA2 packages and is accessed via a Two-wire
serial interface. In addition, the AT24C02B is available in 1.8V (1.8V to 5.5V) version.
serial interface. In addition, the AT24C02B is available in 1.8V (1.8V to 5.5V) version.
Note:
For use of 5-lead SOT23, the
software A2, A1, and A0 bits in
the device address word
must be set to zero to prop-
erly communicate.
software A2, A1, and A0 bits in
the device address word
must be set to zero to prop-
erly communicate.
Table 0-1.
Pin Configuration
Pin Name
Function
A0 - A2
Address Inputs
SDA
Serial Data
SCL
Serial Clock Input
WP
Write Protect
GND
Ground
VCC
Power Supply
Two-wire
Serial EEPROM
Serial EEPROM
2K (256 x 8)
AT24C02B
5126H–SEEPR–8/07
15
17
18
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