FM24C16B Ramtron, FM24C16B Datasheet - Page 2

• Manufacturer Part Number: FM24C16B
• Description: 16Kb Serial 5V F-RAM Memory
• Manufacturer: Ramtron

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Pin Description
Rev. 1.3
July 2011
Pin Name
SDA
SCL
WP
VDD
VSS
NC
SCL
WP
SDA
Supply
Supply
Type
Input
Input
I/O
-
`
Pin Description
Serial Data Address: This is a bi-directional data pin for the two-wire interface. It
employs an open-drain output and is intended to be wire-OR‟d with other devices on the
two-wire bus. The input buffer incorporates a Schmitt trigger for noise immunity and the
output driver includes slope control for falling edges. A pull-up resistor is required.
Serial Clock: The serial clock input for the two-wire interface. Data is clocked-out on
the falling edge and clocked-in on the rising edge.
Write Protect: When WP is high, the entire array is write-protected. When WP is low,
all addresses may be written. This pin is internally pulled down.
Supply Voltage (5V)
Ground
No connect
Serial to Parallel
Counter
Control Logic
Converter
Figure 1. Block Diagram
Address
Latch
FM24C16B - 16Kb 5V I2C F-RAM
FRAM Array
Data Latch
256 x 64
8
Page 2 of 12
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