AMD Sempron 3300 box S754 SDA3300BABOX User Manual

Product codes
SDA3300BABOX
Page of 102
24
333 FSB AMD Sempron™ Processor Model 10 Specifications
Chapter 6
AMD Sempron™ Processor Model 10 Data Sheet
31993A-1 September 2004
AMD Preliminary Information
6.4
333 FSB AMD Athlon™ System Bus DC Characteristics
Table 4 shows the DC characteristics of the AMD Athlon 
system bus for this processor. 
Table 4.
333 FSB AMD Athlon™ System Bus DC Characteristics 
Symbol
Parameter
Condition
Min
Max
Units Notes
V
REF
DC Input Reference Voltage
(0.5 x V
CC_CORE
)
–50
(0.5 x V
CC_CORE
)
+50
mV
1
I
VREF_LEAK_P
V
REF
 Tristate Leakage Pullup
V
IN
 = V
REF 
Nominal
–100
µA
I
VREF_LEAK_N
V
REF
 Tristate Leakage Pulldown
V
IN
 = V
REF 
Nominal
100
µA
V
IH
Input High Voltage
V
REF
 +200
V
CC_CORE
 +500
mV
V
IL
Input Low Voltage
–500
V
REF
 –200
mV
I
LEAK_P
Tristate Leakage Pullup
V
IN
 = VSS 
(Ground)
–1
mA
I
LEAK_N
Tristate Leakage Pulldown
V
IN
 = V
CC_CORE
 
Nominal
1
mA
C
IN
Input Pin Capacitance
4
7
pF
R
ON
Output Resistance
0.90 x R
setN,P
1.1 x R
setN,P
Ω
2
R
setP
Impedance Set Point, P Channel
40
70
Ω
2
R
setN
Impedance Set Point, N Channel
40
70
Ω
2
Notes:
1. V
REF
 is nominally set to 50% of V
CC_CORE
 with actual values that are specific to motherboard design implementation. V
REF
 must be 
created with a sufficiently accurate DC source and a sufficiently quiet AC response to adhere to the ± 50 mV specification listed 
above.
2. Measured at V
CC_CORE
  / 2.