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S524A40X10 Datasheet(PDF) 3 Page - Samsung semiconductor

Part No. S524A40X10
Description  1K/2K/4K-bit Serial EEPROM for Low Power with software write protect
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Maker  SAMSUNG [Samsung semiconductor]
Homepage  http://www.samsung.com/Products/Semiconductor
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DATA SHEET
S524A40X10/40X20/40X40 SERIAL EEPROM
2-3
S524A40X10/
40X20/40X40
VCC
WP
SCL
SDA
A0
A1
A2
VSS
NOTE:
The S524A40X10/40X20/40X40 is available
in 8-pin DIP, SOP, and TSSOP package.
Figure 2-2. Pin Assignment Diagram
Table 2-1. S524A40X10/40X20/40X40 Pin Descriptions
Name
Type
Description
Circuit
Type
A0, A1, A2
Input
Input pins for device address selection. To configure a device address,
these pins should be connected to the V
CC or VSS of the device.
These pins are internally pulled down to V
SS.
1
V
SS
Ground pin.
SDA
I/O
Bi-directional data pin for the I
2C-bus serial data interface. Schmitt
trigger input and open-drain output. An external pull-up resistor must
be connected to V
CC. Typical values for this pull-up resistor are 4.7 kΩ
(100 kHz) and 1 k
Ω (400 kHz).
3
SCL
Input
Schmitt trigger input pin for serial clock input.
2
WP
Input
Input pin for hardware write protection control. If you tie this pin to V
CC,
the write function is disabled to protect previously written data in the
entire memory; if you tie it to V
SS, the write function is enabled.
This pin is internally pulled down to V
SS.
1
V
CC
Single power supply.
NOTE: See the following page for diagrams of pin circuit types 1, 2, and 3.




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