pc87591l National Semiconductor Corporation, pc87591l Datasheet - Page 397

• Manufacturer Part Number: pc87591l
• Description: Lpc Mobile Embedded Controllers
• Manufacturer: National Semiconductor Corporation

Revision 1.07
7.0 Device Specifications
t
Symbol
t
t
t
t
t
SCLhigho
SCLhighi
SCLlowo
CSTRho
t
t
CSTOso
CSTRso
t
t
t
t
t
t
t
t
t
t
t
DHCso
DLCso
SDAho
SDAvo
SCLro
SDAfo
SDAro
SDAhi
SDAsi
SCLfo
SDAri
SDAfi
BUFo
1. Depends on the signal’s capacitance and the pull-up value. Must be less than 1 s.
148, 149
Figure
150
147
147
150
150
150
150
148
148
149
149
148
147
147
147
147
150
150
SCL high time
SDA signal fall time
SDA signal rise time
SDA hold time
SDA setup time
SCL high time
SCL low time
Bus free time between Stop
and Start condition
SCL setup time
SCL hold time
SCL setup time
Data high setup time
Data low setup time
SDA signal fall time
SDA signal rise time
SDA signal fall time
SDA signal rise time
SDA hold time
SDA valid time
Description
(Continued)
ACB Output Timing
After SCL RE
After SCL FE
Before SCL RE
After SCL RE
After SCL FE
Before Stop condition
After Start condition
Before Start condition
Before SCL RE
Before SCL RE
After SCL FE
After SCL FE
Reference Conditions
397
K
K
7
16
t
t
t
t
t
t
2
*
*
SCLhigho
SCLhigho
SCLhigho
SCLhigho
SCLhigho
SCLhigho
*
t
t
t
SCLfo
Min
*
CLK
CLK
t
t
t
*
SDAro
SDAfo
CLK
0
t
s
s
t
CLK
CLK
1
1
See note
See note
7
t
*
SDAro
Max
300
300
300
t
CLK
1
1
1
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Unit
ns
ns
ns
ns
-
-
-
-
-
-
-
-
-
-
-
-
-
s