fm3204 Ramtron Corporation, fm3204 Datasheet - Page 20

• Manufacturer Part Number: fm3204
• Description: Integrated Processor Companion With Memory
• Manufacturer: Ramtron Corporation

AC Test Conditions
Input Pulse Levels
Input rise and fall times
Input and output timing levels
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
Write Bus Timing
Rev. 2.4
Mar. 2008
SCL
SDA
SCL
SDA
t
SU:STA
Start
Start
t
t
SU:STO
BUF
Stop Start
0.1 V
10 ns
0.5 V
t
R
Stop Start
DD
DD
`
to 0.9 V
t
F
t
HIGH
t
DD
HD:STA
t
AA
t
SU:DAT
1/f
SCL
t
HD:DAT
Equivalent AC Load Circuit
t
Output
DH
t
LOW
t
AA
Acknowledge
5.5V
t
SU:DAT
t
HD:DAT
1700
FM3204/16/64/256
100 pF
Acknowledge
t
SP
Page 20 of 22
t
SP