FM24C16B Ver la hoja de datos (PDF) - Cypress Semiconductor

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FM24C16B

16-Kbit (2 K × 8) Serial (I2C) F-RAM

Cypress Semiconductor 

FM24C16B - 16Kb 5V I2C F-RAM

Counter

Address

Latch

256 x 64

FRAM Array

SDA

`

SCL

WP

Serial to Parallel

Converter

Control Logic

8

Data Latch

Figure 1. Block Diagram

Pin Description

Pin Name

SDA

Type

I/O

SCL

WP

VDD

VSS

NC

Input

Input

Supply

Supply

-

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

Document Number: 001-84450 Rev. *A

Page 2 of 13

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