FM4005 datasheet(21/23 Pages) RAMTRON

No de pièce	FM4005

Description	Integrated Processor Companion

PDF	23 Pages

Scroll/Zoom	100%

Fabricant	RAMTRON [Ramtron International Corporation]

Site Internet	http://www.ramtron.com

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21 / 23 page

FM4005

Rev. 2.3

Oct. 2006

Page 21 of 23

AC Test Conditions

Equivalent AC Load Circuit

Input Pulse Levels

0.1 VDD to 0.9 VDD

Input rise and fall times

10 ns

Input and output timing levels

0.5 VDD

Diagram Notes

All start and stop timing parameters apply to both read and write

cycles. Clock specifications are identical for read and write cycles.

Write timing parameters apply to slave address, word address, and

write data bits. Functional relationships are illustrated in the relevant

data sheet sections. These diagrams illustrate the timing parameters

only.

Read Bus Timing

SU:STA

Start

Stop Start

BUF

HIGH

1/fSCL

LOW

Acknowledge

HD:DAT

SU:DAT

SCL

SDA

Write Bus Timing

SU:STO

Start

Stop Start

Acknowledge

HD:DAT

HD:STA

SU:DAT

SCL

SDA

5.5V

Output

1700

Ω

100 pF

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