AMD AXDA3200DKV4E Data Sheet - Page 36

Advanced 333 FSB AMDAthlon™ System Bus DC Characteristics

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Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C-May 2003 6.4 Advanced 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. Advanced 333 FSB AMD Athlon™ System Bus DC Characteristics Symbol Parameter Condition Min Max Units Notes VREF DC Input Reference Voltage (0.5 x VCC_CORE) (0.5 x VCC_CORE) mV 1 -50 +50 IVREF_LEAK_P VREF Tristate Leakage Pullup VIN = VREF Nominal -100 µA IVREF_LEAK_N VREF Tristate Leakage Pulldown VIN = VREF Nominal 100 µA VIH Input High Voltage VREF +200 VCC_CORE +500 mV VIL Input Low Voltage -500 VREF -200 mV ILEAK_P Tristate Leakage Pullup VIN = VSS -1 (Ground) mA ILEAK_N Tristate Leakage Pulldown VIN = VCC_CORE Nominal 1 mA CIN Input Pin Capacitance 4 7 pF RON Output Resistance 0.90 x RsetN,P 1.1 x RsetN,P Ω 2 RsetP Impedance Set Point, P Channel 40 70 Ω2 RsetN Impedance Set Point, N Channel 40 70 Ω2 Notes: 1. VREF is nominally set to 50% of VCC_CORE with actual values that are specific to motherboard design implementation. VREF 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 VCC_CORE / 2. 24 Advanced 333 Front-Side Bus AMD Athlon™ XP Processor Model 10 Specifications Chapter 6

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24
Advanced 333 Front-Side Bus AMD Athlon™ XP Processor Model 10 Specifications
Chapter 6
AMD Athlon™ XP Processor Model 10 Data Sheet
26237C—May 2003
Preliminary Information
6.4
Advanced 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.
Advanced 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
µ
A
I
VREF_LEAK_N
V
REF
Tristate Leakage Pulldown
V
IN
= V
REF
Nominal
100
µ
A
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.