lm8333ggr8x National Semiconductor Corporation, lm8333ggr8x Datasheet - Page 15
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lm8333ggr8x
Manufacturer Part Number
lm8333ggr8x
Description
Mobile I/o Companion Supporting Key-scan, I/o Expansion, Pwm, And Access.bus Host Interface
Manufacturer
National Semiconductor Corporation
Datasheet
1.LM8333GGR8X.pdf
(18 pages)
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t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
BUFi
CSTOHsi
CSTRHhi
DHCsi
DLCsi
SCLlowi
SCLhighi
SDAhi
SDAsi
BUFo
CSTOso
CSTRho
CSTRso
DHCso
DLCso
SCLlowo
SCLhigho
SDAho
SDAvo
13.0 AC Electrical Characteristics
(Temperature: -40°C
Data sheet specification limits are guaranteed by design, test, or statistical analysis.
Note 7: Data sheet minimum and maximum limits are guaranteed by design, test, or statistical analysis.
Note 8: The ACCESS.bus interface of the LM8333 device implements and meets the timing necessary for interface to the I
levels. The bus drivers are designed with open-drain output as required for bidirectional operation. The LM8333 device will not meet the AC timing and current/
voltage requirements of the full bus specification.
Symbol
Internal Oscillator
System Oscillator (mclk)
System Oscillator and Internal
Frequency Variation
Input Pulse Width Low
Input Pulse Width High
Bus free time between Stop and
Start Condition
SCL setup time
SCL hold time
Data High setup time
Data Low setup time
SCL low time
SCL high time
SDA hold time
SDA setup 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
SCL low time
SCL high time
SDA hold time
SDA valid time
≤
TA
Parameter
≤
+85°C)
ACCESS.bus Output Timing (Note 8)
ACCESS.bus Input Timing (Note 8)
External R from CLK_IN to Gnd (R
= 68 kohm)
2.25V
External R from CLK_IN to Gnd (R
= 68 kohm)
2.25V
2.25V
Before Stop Condition
After Start Condition
Before SCL Rising Edge (RE)
Before SCL RE
After SCL Falling Edge (FE)
After SCL RE
After SCL FE
Before SCL RE
Before Stop Condition
After Start Condition
Before Start Condition
Before SCL RE
Before SCL RE
After SCL FE
After SCL RE
After SCL FE
Before SCL FE
≤
≤
≤
V
V
V
CC
CC
CC
Conditions
≤
≤
≤
2.75V
2.75V
2.75V
15
(Note 7)
t
t
t
t
t
t
t
SCLhigho
SCLhigho
SCLhigho
SCLhigho
SCLhigho
SCLhigho
SCLhigho
Min
0.7
0.7
12
12
16
16
8
8
2
2
0
2
7
7
2
C bus and SMBus protocol at logic
0.75
Typ
75
(Note 7)
Max
±30
www.national.com
Units
mclk
mclk
mclk
mclk
mclk
mclk
mclk
mclk
mclk
mclk
mclk
µs
ns
µs
µs
ns
%